{"id":3463,"date":"2026-04-22T10:14:23","date_gmt":"2026-04-22T10:14:23","guid":{"rendered":"https:\/\/productionscrews.com\/a2-70-bolt\/"},"modified":"2026-04-22T10:14:23","modified_gmt":"2026-04-22T10:14:23","slug":"a2-70-bolt","status":"publish","type":"post","link":"https:\/\/productionscrews.com\/ja\/a2-70-bolt\/","title":{"rendered":"A2-70 \u30dc\u30eb\u30c8\uff1a\u7b49\u7d1a\u3001\u5f37\u5ea6\u3001\u7528\u9014\u306e\u5b8c\u5168\u30ac\u30a4\u30c9"},"content":{"rendered":"<h1>A2-70 \u30dc\u30eb\u30c8\uff1a\u7b49\u7d1a\u3001\u5f37\u5ea6\u3001\u7528\u9014\u306e\u5b8c\u5168\u30ac\u30a4\u30c9<\/h1>\n<p class=\"direct-answer\"><strong>A2-70\u30dc\u30eb\u30c8\u306f\u3001\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfbA2\u30b0\u30ec\u30fc\u30c9\u306e\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\uff08304\u30b9\u30c6\u30f3\u30ec\u30b9\u306b\u985e\u4f3c\uff09\u304b\u3089\u4f5c\u3089\u308c\u305f\u30b9\u30c6\u30f3\u30ec\u30b9\u88fd\u30d5\u30a1\u30b9\u30ca\u30fc\u3067\u3042\u308a\u3001\u6700\u5c0f\u5f15\u5f35\u5f37\u3055\u306f700 N\/mm\u00b2\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u4e00\u822c\u7684\u306a\u5de5\u5b66\u3001\u5efa\u8a2d\u3001\u8efd\u6d77\u6d0b\u7528\u9014\u3067\u6700\u3082\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u8010\u8150\u98df\u6027\u30dc\u30eb\u30c8\u3067\u3059\u3002<\/strong><\/p>\n<figure><img decoding=\"async\" style=\"width: 100%; height: auto;\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/04\/01-hero-4.jpg\" alt=\"\u5de5\u696d\u6a5f\u68b0\u3084\u5efa\u8a2d\u306b\u4f7f\u7528\u3055\u308c\u308b\u306d\u3058\u8fbc\u307f\u7aef\u3092\u6301\u3064\u9ad8\u5f37\u5ea6\u516d\u89d2\u30dc\u30eb\u30c8\u306e\u30af\u30ed\u30fc\u30ba\u30a2\u30c3\u30d7\" \/><\/figure>\n<p>\u30b9\u30c6\u30f3\u30ec\u30b9\u30dc\u30eb\u30c8\u3092\u6ce8\u6587\u3057\u305f\u3053\u3068\u304c\u3042\u308a\u3001\u30d8\u30c3\u30af\u30b9\u30d8\u30c3\u30c9\u306b\u300cA2-70\u300d\u3068\u523b\u5370\u3055\u308c\u3066\u3044\u308b\u306e\u3092\u898b\u305f\u3053\u3068\u304c\u3042\u308c\u3070\u3001\u305d\u308c\u306f\u7de0\u7d50\u90e8\u54c1\u306e\u4e2d\u6838\u3092\u306a\u3059\u5b58\u5728\u3067\u3059\u3002\u30c7\u30c3\u30ad\u306e\u624b\u3059\u308a\u304b\u3089\u98df\u54c1\u52a0\u5de5\u7528\u30b3\u30f3\u30d9\u30e4\u30fc\u3001\u592a\u967d\u5149\u30d1\u30cd\u30eb\u306e\u53d6\u308a\u4ed8\u3051\u91d1\u5177\u307e\u3067\u3001\u3042\u3089\u3086\u308b\u5834\u6240\u3067\u898b\u304b\u3051\u308b\u7406\u7531\u306f\u660e\u767d\u3067\u3059\u3002\u3057\u304b\u3057 <a href=\"https:\/\/productionscrews.com\/ja\/ultimate-guide-stainless-steel-bar-selection-prevent-costly-mistakes-failures\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"824\">\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/a> \u4e00\u3064\u306e\u7d20\u6750\u3067\u306f\u306a\u304f\u3001\u5149\u6ca2\u306e\u3042\u308b\u30dc\u30eb\u30c8\u304c\u5fc5\u8981\u306a\u3059\u3079\u3066\u306e\u4f5c\u696d\u306b\u540c\u3058\u30b0\u30ec\u30fc\u30c9\u304c\u5fc5\u8981\u306a\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u306e\u30ac\u30a4\u30c9\u306f\u3001A2-70\u306e\u898f\u683c\u304c\u4f55\u3092\u610f\u5473\u3059\u308b\u306e\u304b\u3001\u3069\u3053\u3067\u3053\u306e\u30dc\u30eb\u30c8\u304c\u512a\u308c\u3066\u3044\u308b\u306e\u304b\u3001\u3069\u3053\u3067\u4e0d\u8db3\u3057\u3066\u3044\u308b\u306e\u304b\u3001A4-80\u3068\u6bd4\u8f03\u3057\u3066\u3069\u3046\u306a\u306e\u304b\u3092\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002 <a href=\"https:\/\/productionscrews.com\/ja\/carbon-steel-screws\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"825\">\u70ad\u7d20\u92fc<\/a> \u4ee3\u66ff\u54c1\u3068\u3001\u53d6\u308a\u4ed8\u3051\u308b\u969b\u306b\u5b9f\u969b\u306b\u5fc5\u8981\u306a\u30c8\u30eb\u30af\u3084\u30c9\u30ea\u30eb\u306e\u30b5\u30a4\u30ba\u306b\u3064\u3044\u3066\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002\u6700\u5f8c\u306b\u306f\u3001\u6700\u521d\u304b\u3089\u9069\u5207\u306a\u30d5\u30a1\u30b9\u30ca\u30fc\u3092\u6307\u5b9a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u3001A2\u304c\u5869\u5206\u306e\u591a\u3044\u6cbf\u5cb8\u74b0\u5883\u3067\u9306\u3073\u308b\u3053\u3068\u3092\u75db\u3044\u76ee\u306b\u906d\u3046\u524d\u306b\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<hr \/>\n<h2>A2-70\u30dc\u30eb\u30c8\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h2>\n<p>An <strong>a2 70 \u30dc\u30eb\u30c8<\/strong> \u30e1\u30c8\u30ea\u30c3\u30af\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u30d5\u30a1\u30b9\u30ca\u30fc\u3067\u3042\u308a\u3001\u6b21\u306e\u30ab\u30c6\u30b4\u30ea\u30fc\u306b\u5206\u985e\u3055\u308c\u307e\u3059 <a href=\"https:\/\/www.iso.org\/standard\/73538.html\" target=\"_blank\" rel=\"noopener\">ISO 3506\u898f\u683c<\/a>\u8150\u98df\u306b\u5f37\u3044\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u7de0\u7d50\u5177\u306e\u6a5f\u68b0\u7684\u6027\u8cea\u3092\u5b9a\u7fa9\u3059\u308b\u898f\u683c\u3067\u3059\u3002\u3053\u306e\u898f\u683c\u306f\u4e8c\u90e8\u69cb\u6210\u306e\u30b3\u30fc\u30c9\u3067\u69cb\u6210\u3055\u308c\u3066\u304a\u308a\u3001\u6750\u6599\u3068\u5f37\u5ea6\u306b\u3064\u3044\u3066\u5fc5\u8981\u306a\u60c5\u5831\u3092\u3059\u3079\u3066\u4f1d\u3048\u307e\u3059\u3002<\/p>\n<h3>A2-70\u306e\u547c\u79f0\u306e\u5185\u8a33<\/h3>\n<p>\u300cA2\u300d\u306e\u90e8\u5206\u306f\u3001 <strong>\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfb\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u30b0\u30ec\u30fc\u30c9<\/strong> \u7279\u306bAISI 304\u306b\u6700\u3082\u8fd1\u304418\/8\u30af\u30ed\u30e0\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u3002 \u300c\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u300d\u306f\u3001\u92fc\u306e\u7d50\u6676\u5fae\u7d30\u69cb\u9020\u3092\u8868\u3057\u3001\u975e\u78c1\u6027\u3067\u9ad8\u3044\u5ef6\u6027\u3092\u6301\u3061\u3001\u81ea\u7136\u306b\u8010\u8150\u98df\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u300c70\u300d\u306f\u3001 <strong>\u7269\u4ef6\u30af\u30e9\u30b9<\/strong> \u7279\u306b\u3001\u6700\u5c0f\u5f15\u5f35\u5f37\u5ea6\u306f <strong>700 N\/mm\u00b2 (MPa)<\/strong> \u6700\u5c0f\u964d\u4f0f\u70b9\uff08\u964d\u4f0f\u5f53\u91cf\uff09\u304c450 N\/mm\u00b2\u3067\u3042\u308b\u3002\u5b9f\u969b\u306b\u306f\u3001\u305d\u306ea2 70\u30dc\u30eb\u30c8\u306f\u964d\u4f0f\u5f37\u5ea6\u306e\u70b9\u3067\u30e1\u30c8\u30ea\u30c3\u30af\u30b0\u30ec\u30fc\u30c98.8\u306e\u30dc\u30eb\u30c8\u306b\u307b\u307c\u5339\u6575\u3059\u308b\u304c\u3001\u70ad\u7d20\u92fc\u306e\u3088\u3046\u306b\u713c\u304d\u5165\u308c\u3068\u713c\u304d\u623b\u3057\u3092\u884c\u3046\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u88fd\u9020\u904e\u7a0b\u3067\u51b7\u9593\u52a0\u5de5\u306b\u3088\u3063\u3066\u305d\u306e\u5f37\u5ea6\u3092\u5f97\u3066\u3044\u308b\u3002<\/p>\n<p>\u300cA2-70\u300d\u3068\u523b\u5370\u3055\u308c\u305f\u5834\u5408\u3001 <a href=\"https:\/\/productionscrews.com\/ja\/cylindrical-head-bolts\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"826\">\u30dc\u30eb\u30c8\u30d8\u30c3\u30c9<\/a> \u307e\u305f\u306f\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u305d\u306e\u30b9\u30bf\u30f3\u30d7\u306f\u7de0\u7d50\u5177\u304c\u6750\u6599\u304a\u3088\u3073\u6a5f\u68b0\u7684\u8981\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u30e1\u30fc\u30ab\u30fc\u306e\u4fdd\u8a3c\u3068\u3057\u307e\u3059\u3002ISO 3506\u306b\u5f93\u3044\u3001\u523b\u5370\u306f\u30b9\u30da\u30fc\u30b9\u304c\u8a31\u3059\u9650\u308a\u3001\u30dc\u30eb\u30c8M5\u4ee5\u4e0a\u306b\u8868\u793a\u3055\u308c\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u8abf\u9054\u30c1\u30fc\u30e0\u3092\u6238\u60d1\u308f\u305b\u308b\u4e00\u3064\u306e\u3053\u3068\uff1a <strong>A2-70\u306fA2-50\u3068\u7570\u306a\u308a\u307e\u3059<\/strong>. \u300c50\u300d\u30d0\u30ea\u30a2\u30f3\u30c8\u306f\u3001\u540c\u3058A2\u30b9\u30c6\u30f3\u30ec\u30b9\u7d20\u6750\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u3088\u308a\u8edf\u3089\u304b\u304f\u30a2\u30cb\u30fc\u30ea\u30f3\u30b0\u3055\u308c\u305f\u72b6\u614b\u3067\u3001\u5f15\u5f35\u5f37\u3055\u306f\u308f\u305a\u304b500 N\/mm\u00b2\u3067\u3059\u3002\u3053\u308c\u3089\u4e8c\u3064\u306e\u30b0\u30ec\u30fc\u30c9\u306f\u5916\u89b3\u4e0a\u540c\u4e00\u3067\u3059\u3002\u53d6\u308a\u4ed8\u3051\u524d\u306b\u5fc5\u305a\u523b\u5370\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>A2\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u7d20\u6750\u7d44\u6210<\/h3>\n<p>A2\u30b9\u30c6\u30f3\u30ec\u30b9\u306f\u57fa\u672c\u7684\u306b304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3067\u3042\u308a\u3001\u4e16\u754c\u3067\u6700\u3082\u5e83\u304f\u751f\u7523\u3055\u308c\u3066\u3044\u308b\u30b9\u30c6\u30f3\u30ec\u30b9\u30b0\u30ec\u30fc\u30c9\u3067\u3059\u3002\u305d\u306e\u8010\u98df\u6027\u306f\u3001\u9178\u7d20\u306e\u5b58\u5728\u4e0b\u3067\u81ea\u7136\u306b\u5f62\u6210\u3055\u308c\u308b\u30d1\u30c3\u30b7\u30d6\u306a\u30af\u30ed\u30e0\u9178\u5316\u5c64\u306b\u3088\u308a\u307e\u3059\u3002\u305d\u306e\u5c64\u306f\u50b7\u3064\u3044\u3066\u3082\u81ea\u5df1\u4fee\u5fa9\u3059\u308b\u305f\u3081\u3001A2\u30d5\u30a1\u30b9\u30ca\u30fc\u306f\u53d6\u308a\u4ed8\u3051\u5f8c\u3082\u8010\u98df\u6027\u3092\u4fdd\u3061\u307e\u3059\u3002<\/p>\n<p>\u306b\u57fa\u3065\u304d <a href=\"https:\/\/www.worldstainless.org\/\" target=\"_blank\" rel=\"noopener\">\u4e16\u754c\u30b9\u30c6\u30f3\u30ec\u30b9\u5354\u4f1a\u306e\u516c\u958b\u30c7\u30fc\u30bf<\/a>\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfb\u30b0\u30ec\u30fc\u30c9\u306f\u3001\u4e16\u754c\u306e\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u751f\u7523\u91cf\u306e\u7d0470%\u3092\u5360\u3081\u3066\u304a\u308a\u3001304\u76f8\u5f53\u306e\u5408\u91d1\u304c\u652f\u914d\u7684\u3067\u3059\u3002\u3053\u308c\u306f\u8010\u98df\u6027\u3001\u6210\u5f62\u6027\u3001\u30b3\u30b9\u30c8\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u53d6\u308c\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30a8\u30ec\u30e1\u30f3\u30c8<\/th>\n<th>A2\uff08304\u76f8\u5f53\uff09<\/th>\n<th>A4\uff08316\u76f8\u5f53\uff09<\/th>\n<th>\u70ad\u7d20\u92fc 8.8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30af\u30ed\u30e0<\/td>\n<td>17\u201319TP3T<\/td>\n<td>16\u201318TP3T<\/td>\n<td>0.5%<\/td>\n<\/tr>\n<tr>\n<td>\u30cb\u30c3\u30b1\u30eb<\/td>\n<td>8\u201310TP3T<\/td>\n<td>10\u201314TP3T<\/td>\n<td>\u5fae\u91cf\u5143\u7d20<\/td>\n<\/tr>\n<tr>\n<td>\u30e2\u30ea\u30d6\u30c7\u30f3<\/td>\n<td>\u306a\u3057<\/td>\n<td>2\u20133TP3T<\/td>\n<td>\u306a\u3057<\/td>\n<\/tr>\n<tr>\n<td>\u70ad\u7d20<\/td>\n<td>\u2264 0.08%<\/td>\n<td>\u2264 0.08%<\/td>\n<td>0.35\u20130.45TP3T<\/td>\n<\/tr>\n<tr>\n<td>\u6700\u5c0f\u5f15\u5f35\u5f37\u3055<\/td>\n<td>700 N\/mm\u00b2\uff08\u30af\u30e9\u30b970\uff09<\/td>\n<td>800 N\/mm\u00b2\uff08\u30af\u30e9\u30b980\uff09<\/td>\n<td>800 N\/mm\u00b2<\/td>\n<\/tr>\n<tr>\n<td>\u78c1\u6c17<\/td>\n<td>\u3044\u3044\u3048<\/td>\n<td>\u3044\u3044\u3048<\/td>\n<td>\u306f\u3044<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u30e2\u30ea\u30d6\u30c7\u30f3\u542b\u6709\u91cf\u306fA2\u3068A4\u306e\u91cd\u8981\u306a\u9055\u3044\u3067\u3059\u3002\u30e2\u30ea\u30d6\u30c7\u30f3\u306f\u5869\u5316\u7269\u30d4\u30c3\u30c6\u30a3\u30f3\u30b0\u306b\u5bfe\u3059\u308b\u8010\u6027\u3092\u5287\u7684\u306b\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u3001A4-80\u306f\u6d77\u6d0b\u304a\u3088\u3073\u6cbf\u5cb8\u74b0\u5883\u5411\u3051\u306b\u6307\u5b9a\u3055\u308c\u3066\u304a\u308a\u3001A2-70\u30dc\u30eb\u30c8\u306e\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u306f\u5185\u9678\u3084\u4e00\u822c\u5de5\u696d\u7528\u9014\u306e\u6a19\u6e96\u7684\u306a\u9078\u629e\u3067\u3059\u3002<\/p>\n<hr \/>\n<h2>A2-70\u30dc\u30eb\u30c8\u306e\u7a2e\u985e\u3068\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3<\/h2>\n<p>\u300cA2-70\u300d\u30b0\u30ec\u30fc\u30c9\u306f\u3001\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u30d8\u30c3\u30c9\u30b9\u30bf\u30a4\u30eb\u3001\u306d\u3058\u306e\u5f62\u72b6\u3001\u30b7\u30e3\u30f3\u30af\u306e\u69cb\u6210\u5168\u4f53\u306b\u9069\u7528\u3055\u308c\u307e\u3059\u3002\u5fc5\u8981\u306a\u30bf\u30a4\u30d7\u3092\u77e5\u308b\u3053\u3068\u3067\u3001\u8aa4\u3063\u305f\u88fd\u54c1\u306e\u6ce8\u6587\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure><img decoding=\"async\" style=\"width: 100%; height: auto;\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/04\/02-types-2.jpg\" alt=\"\u5de5\u696d\u7528\u9014\u5411\u3051\u306e\u516d\u89d2\u982d\u30dc\u30eb\u30c8\u3001\u4e01\u9f8d\u88fd\u3002\" \/><\/figure>\n<h3>\u516d\u89d2\u982d\u30dc\u30eb\u30c8\uff08DIN 933 \/ DIN 931 \/ ISO 4017\uff09<\/h3>\n<p><strong>\u6700\u3082\u4e00\u822c\u7684\u306aA2-70\u30dc\u30eb\u30c8\u306e\u69cb\u6210\u306f\u3001\u516d\u89d2\u982d\u3067\u5b8c\u5168\u307e\u305f\u306f\u90e8\u5206\u7684\u306b\u306d\u3058\u5c71\u304c\u3042\u308b\u3082\u306e\u3067\u3059\u3002<\/strong><\/p>\n<ul>\n<li><strong>DIN 933 \/ ISO 4017<\/strong>: \u5b8c\u5168\u306d\u3058\u5c71\u306e\u516d\u89d2\u30dc\u30eb\u30c8\u3002\u30d8\u30c3\u30c9\u304b\u3089\u5148\u7aef\u307e\u3067\u306d\u3058\u5c71\u304c\u7d9a\u304d\u307e\u3059\u3002\u77ed\u3044\u30dc\u30eb\u30c8\u3067\u5168\u306d\u3058\u5c71\u306e\u304b\u307f\u5408\u308f\u305b\u304c\u5fc5\u8981\u306a\u5834\u5408\u306e\u6a19\u6e96\u3067\u3059\u3002<\/li>\n<li><strong>DIN 931 \/ ISO 4014<\/strong>: \u90e8\u5206\u306d\u3058\u5c71\u306e\u516d\u89d2\u30ad\u30e3\u30c3\u30d7\u30b9\u30af\u30ea\u30e5\u30fc\u3002\u306d\u3058\u5c71\u306e\u306a\u3044\u30b7\u30e3\u30f3\u30af\u90e8\u5206\u304c\u3042\u308a\u307e\u3059\u3002\u7de0\u3081\u4ed8\u3051\u90e8\u5206\u306b\u306d\u3058\u5c71\u3092\u5165\u308c\u305f\u304f\u306a\u3044\u305b\u3093\u65ad\u8377\u91cd\u306e\u304b\u304b\u308b\u63a5\u5408\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><strong>DIN 960 \/ DIN 961<\/strong>: \u5fae\u7d30\u30d4\u30c3\u30c1\u306d\u3058\u5c71\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002\u3042\u307e\u308a\u4e00\u822c\u7684\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u5fae\u8abf\u6574\u3084\u632f\u52d5\u8010\u6027\u304c\u5fc5\u8981\u306a\u7cbe\u5bc6\u6a5f\u68b0\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u30b5\u30a4\u30ba\u306fM4\u304b\u3089M36\uff08\u7279\u5225\u6ce8\u6587\u306e\u5834\u5408\u306f\u305d\u308c\u4ee5\u4e0a\uff09\u307e\u3067\u5229\u7528\u53ef\u80fd\u3067\u3001ISO 724\u306b\u57fa\u3065\u304f\u7c97\u76ee\u306e\u30e1\u30c8\u30ea\u30c3\u30af\u306d\u3058\u304c\u6a19\u6e96\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u5fae\u7d30\u30d4\u30c3\u30c1\u3092\u660e\u793a\u7684\u306b\u6307\u5b9a\u3057\u306a\u3044\u9650\u308a\u306f\u305d\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u30bd\u30b1\u30c3\u30c8\u30ad\u30e3\u30c3\u30d7\u30b9\u30af\u30ea\u30e5\u30fc\u3068\u30a2\u30ec\u30f3\u30dc\u30eb\u30c8\uff08ISO 4762\uff09<\/h3>\n<p>A2-70\u30bd\u30b1\u30c3\u30c8\u30ad\u30e3\u30c3\u30d7\u30b9\u30af\u30ea\u30e5\u30fc \u2014 \u3088\u304f\u547c\u3070\u308c\u308b <strong>A2-70\u30a2\u30ec\u30f3\u30dc\u30eb\u30c8<\/strong> \u53d6\u5f15\u306b\u304a\u3044\u3066\u306f\u3001\u5185\u90e8\u516d\u89d2\u30c9\u30e9\u30a4\u30d6\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u30b9\u30d1\u30ca\u306e\u30af\u30ea\u30a2\u30e9\u30f3\u30b9\u304c\u5236\u9650\u3055\u308c\u308b\u5834\u5408\u3001\u4f8b\u3048\u3070\u30b9\u30ed\u30c3\u30c8\u30c1\u30e3\u30cd\u30eb\u3001\u30d1\u30cd\u30eb\u53d6\u308a\u4ed8\u3051\u3001\u72ed\u3044\u6a5f\u68b0\u7d44\u307f\u7acb\u3066\u306a\u3069\u3067\u3001\u6700\u3082\u4e00\u822c\u7684\u306a\u9078\u629e\u80a2\u3067\u3059\u3002<\/p>\n<p>\u6a19\u6e96\u7684\u306aM8 A2-70\u30a2\u30ec\u30f3\u30dc\u30eb\u30c8\u306e\u30d8\u30c3\u30c9\u76f4\u5f84\u306f13mm\u3067\u3001\u30bd\u30b1\u30c3\u30c8\u30ad\u30fc\u306e\u30b5\u30a4\u30ba\u306f6mm\u3067\u3059\u3002\u51b7\u9593\u52a0\u5de5\u3055\u308c\u305fA2-70\u30b0\u30ec\u30fc\u30c9\u306f\u7279\u306b\u91cd\u8981\u3067\u3001\u30a2\u30ec\u30f3\u30c9\u30e9\u30a4\u30d6\u3067\u306f\u30d8\u30c3\u30c9\u304c\u30c9\u30e9\u30a4\u30d0\u30fc\u306e\u30c8\u30eb\u30af\u306b\u8010\u3048\u3001\u4e38\u307f\u3092\u5e2f\u3073\u306a\u3044\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u300270\u30af\u30e9\u30b9\u306e\u9ad8\u3044\u5f37\u5ea6\uff08A2-50\u3068\u6bd4\u8f03\u3057\u3066\uff09\u304c\u305d\u308c\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/p>\n<h3>\u30d5\u30e9\u30f3\u30b8\u30dc\u30eb\u30c8\u304a\u3088\u3073\u305d\u306e\u4ed6\u306e\u30d8\u30c3\u30c9\u30b9\u30bf\u30a4\u30eb<\/h3>\n<p>A2-70\u30d5\u30e9\u30f3\u30b8\u30dc\u30eb\u30c8\u306f\u3001\u30d8\u30c3\u30c9\u306e\u4e0b\u306b\u30ef\u30c3\u30b7\u30e3\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u30d5\u30e9\u30f3\u30b8\u3092\u7d44\u307f\u8fbc\u307f\u3001\u7de0\u4ed8\u3051\u8377\u91cd\u3092\u3088\u308a\u5e83\u3044\u7bc4\u56f2\u306b\u5206\u6563\u3055\u305b\u3001\u30d8\u30c3\u30c9\u304c\u67d4\u3089\u304b\u3044\u57fa\u6750\u306b\u57cb\u6ca1\u3059\u308b\u30ea\u30b9\u30af\u3092\u4f4e\u6e1b\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\uff1a<\/p>\n<ul>\n<li>\u7a7a\u8abf\u30c0\u30af\u30c8\u306e\u56fa\u5b9a<\/li>\n<li>\u81ea\u52d5\u8eca\u6392\u6c17\u30d5\u30e9\u30f3\u30b8\uff08A4\u304c\u5fc5\u8981\u306a\u3044\u5834\u5408\uff09<\/li>\n<li>\u96fb\u6c17\u7b50\u4f53\u306e\u7d44\u307f\u7acb\u3066<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u4e3b\u8981\u306a\u30bf\u30a4\u30d7\u306e\u307b\u304b\u306b\u3001A2-70\u30dc\u30eb\u30c8\u306e\u69cb\u6210\u306b\u306f\u6b21\u306e\u3082\u306e\u3082\u3042\u308a\u307e\u3059\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30d8\u30c3\u30c9\u30b9\u30bf\u30a4\u30eb<\/th>\n<th>\u30c9\u30e9\u30a4\u30d6\u30bf\u30a4\u30d7<\/th>\n<th>\u4e00\u822c\u898f\u683c<\/th>\n<th>\u4ee3\u8868\u7684\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u516d\u89d2\u982d<\/td>\n<td>\u30b9\u30d1\u30ca\uff0f\u30ec\u30f3\u30c1<\/td>\n<td>DIN 933\u3001ISO 4017<\/td>\n<td>\u69cb\u9020\u7528\u3001\u4e00\u822c\u7528<\/td>\n<\/tr>\n<tr>\n<td>\u30bd\u30b1\u30c3\u30c8\u30ad\u30e3\u30c3\u30d7<\/td>\n<td>\u516d\u89d2\u30ec\u30f3\u30c1\uff08\u30a2\u30ec\u30f3\uff09<\/td>\n<td>ISO 4762<\/td>\n<td>\u7cbe\u5bc6\u6a5f\u68b0\u3001\u30d1\u30cd\u30eb\u7528<\/td>\n<\/tr>\n<tr>\n<td>\u76bf\u982d\u5e73\u982d<\/td>\n<td>\u30d5\u30a3\u30ea\u30c3\u30d7\u30b9\uff0f\u30c8\u30eb\u30af\u30b9\uff0f\u516d\u89d2<\/td>\n<td>ISO 10642<\/td>\n<td>\u30d5\u30e9\u30c3\u30b7\u30e5\u30de\u30a6\u30f3\u30c8\u3001\u5916\u89b3\u91cd\u8996<\/td>\n<\/tr>\n<tr>\n<td>cURL Too many subrequests.<\/td>\n<td>\u516d\u89d2\u30ec\u30f3\u30c1<\/td>\n<td>ISO 7380<\/td>\n<td>\u4f4e\u80cc\u3001\u3059\u3063\u304d\u308a\u3057\u305f\u30e9\u30a4\u30f3<\/td>\n<\/tr>\n<tr>\n<td>\u30d5\u30e9\u30f3\u30b8\u516d\u89d2<\/td>\n<td>\u30b9\u30d1\u30ca<\/td>\n<td>DIN 6921<\/td>\n<td>\u5206\u6563\u8377\u91cd\u3001\u8edf\u8cea\u57fa\u6750<\/td>\n<\/tr>\n<tr>\n<td>\u30ad\u30e3\u30ea\u30c3\u30b8\u30dc\u30eb\u30c8<\/td>\n<td>\u30c9\u30e9\u30a4\u30d6\u306a\u3057\uff08\u982d\u90e8\u304c\u30c9\u30fc\u30e0\u72b6\uff09<\/td>\n<td>DIN 603<\/td>\n<td>\u6728\u6750\u3001\u5bb6\u5177<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/productionscrews.com\/ja\/stud-bolts\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"819\">\u30b9\u30bf\u30c3\u30c9\u30dc\u30eb\u30c8<\/a><\/td>\n<td>\u8a72\u5f53\u306a\u3057\uff08\u982d\u90e8\u306a\u3057\uff09<\/td>\n<td>DIN 976<\/td>\n<td>\u30d5\u30e9\u30f3\u30b8\u4ed8\u304d\u30d1\u30a4\u30d7\u63a5\u7d9a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2>\u7523\u696d\u7528\u9014\u3068\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/h2>\n<p>a2 70 \u30dc\u30eb\u30c8\u306f\u9069\u5ea6\u306a\u8010\u8150\u98df\u6027\u3092\u6301\u3061\u3001A4-70\/A4-80\u306e\u30b3\u30b9\u30c8\u30d7\u30ec\u30df\u30a2\u30e0\u306a\u3057\u3067\u3001\u5869\u5316\u7269\u306e\u591a\u3044\u74b0\u5883\u4ee5\u5916\u306e\u307b\u3068\u3093\u3069\u306e\u7de0\u7d50\u7528\u9014\u306b\u5341\u5206\u306a\u5f37\u5ea6\u3092\u6301\u3064\u7406\u60f3\u7684\u306a\u9078\u629e\u80a2\u3067\u3059\u3002<\/p>\n<h3>\u6d77\u6d0b\u304a\u3088\u3073\u5c4b\u5916\u74b0\u5883 \u2014 \u91cd\u8981\u306a\u6ce8\u610f\u70b9\u3092\u4f34\u3063\u3066<\/h3>\n<p>A2-70 \u30dc\u30eb\u30c8\u306f\u6b21\u306e\u74b0\u5883\u3067\u826f\u597d\u306b\u6a5f\u80fd\u3057\u307e\u3059 <strong>\u7a4f\u3084\u304b\u306a\u5c4b\u5916\u304a\u3088\u3073\u8efd\u5ea6\u306e\u6d77\u6d0b\u74b0\u5883<\/strong>: \u516c\u5712\u306e\u5bb6\u5177\u3001\u770b\u677f\u3001\u5ead\u5712\u69cb\u9020\u7269\u3001\u5efa\u7bc9\u30d5\u30a1\u30b5\u30fc\u30c9\u3001\u5c4b\u4e0a\u592a\u967d\u5149\u767a\u96fb\u30d1\u30cd\u30eb\u3002\u30af\u30ed\u30e0\u9178\u5316\u7269\u306e\u30d1\u30c3\u30b7\u30d9\u30fc\u30b7\u30e7\u30f3\u5c64\u304c\u96e8\u3001\u6e7f\u6c17\u3001\u90fd\u5e02\u306e\u5927\u6c17\u6c5a\u67d3\u7269\u8cea\u306b\u52b9\u679c\u7684\u306b\u5bfe\u5fdc\u3057\u307e\u3059\u3002<\/p>\n<p>\u6ce8\u610f\u70b9\uff1a <strong>A2\u306f\u76f4\u63a5\u6d77\u6c34\u306b\u6d78\u6f2c\u3057\u305f\u308a\u3001\u5869\u5316\u7269\u98fd\u548c\u306e\u6cbf\u5cb8\u7a7a\u6c17\u306b\u306f\u9069\u3057\u3066\u3044\u307e\u305b\u3093<\/strong>\u305d\u306e\u6761\u4ef6\u4e0b\u3067\u306f\u3001\u30e2\u30ea\u30d6\u30c7\u30f3\u306e\u4e0d\u5728\u306b\u3088\u308a\u5869\u5316\u7269\u30a4\u30aa\u30f3\u304c\u30d1\u30c3\u30b7\u30d9\u30fc\u30b7\u30e7\u30f3\u5c64\u306b\u4fb5\u5165\u3057\u3001\u30d4\u30c3\u30c8\u8150\u98df\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u6cbf\u5cb8\u306e\u8a2d\u7f6e\u5834\u6240\u306718\u30f6\u6708\u4ee5\u5185\u306b\u76ee\u306b\u898b\u3048\u308b\u30d4\u30c3\u30c8\u304c\u767a\u751f\u3057\u305f\u4f8b\u3082\u3042\u308a\u307e\u3059\u3002\u305d\u3046\u3057\u305f\u74b0\u5883\u306b\u306fA4-70\u307e\u305f\u306fA4-80\u3092\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u5185\u9678\u306e\u5c4b\u5916\u4f7f\u7528\uff1f A2-70\u306f\u307b\u307c\u5e38\u306b\u6700\u9069\u306a\u9078\u629e\u80a2\u3067\u3059 \u2014 \u4e9c\u925b\u30e1\u30c3\u30ad\u3055\u308c\u305f\u70ad\u7d20\u92fc\u3088\u308a\u8010\u4e45\u6027\u304c\u9ad8\u304f\u3001A4\u3088\u308a\u3082\u30b3\u30b9\u30c8\u304c\u6291\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<h3>\u98df\u54c1\u52a0\u5de5\u304a\u3088\u3073\u533b\u85ac\u54c1\u6a5f\u5668<\/h3>\n<p>A2-70 \u30dc\u30eb\u30c8\u306f\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059 <strong>\u98df\u54c1\u63a5\u89e6\u7528\u6a5f\u5668<\/strong> \u306a\u305c\u306a\u3089\uff1a<\/p>\n<ol>\n<li>\u975e\u53cd\u5fdc\u6027\u306e\u8868\u9762\u306f\u3001\u70ad\u7d20\u92fc\u306e\u3088\u3046\u306b\u98df\u54c1\u306b\u6eb6\u51fa\u3057\u306a\u3044<\/li>\n<li>\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfb\u30b9\u30c6\u30f3\u30ec\u30b9\u306f\u3001\u6a19\u6e96\u306eCIP\uff08\u6d17\u6d44\u88c5\u7f6e\u5185\u6d17\u6d44\uff09\u5316\u5b66\u30b5\u30a4\u30af\u30eb\u2014\u5e0c\u91c8\u82db\u6027\u3001\u9178\u6d17\u6d44\u3001\u6b21\u4e9c\u5869\u7d20\u9178\u5869\u6d88\u6bd2\u5264\u3092\u9069\u5ea6\u306a\u6fc3\u5ea6\u3067\u2014\u306b\u8010\u3048\u308b<\/li>\n<li>\u5265\u304c\u308c\u305f\u308a\u6c5a\u67d3\u3057\u305f\u308a\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u8868\u9762\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u306a\u3057<\/li>\n<\/ol>\n<p>\u5b9f\u969b\u306b\u306f\u3001\u591a\u304f\u306e\u98df\u54c1\u52a0\u5de5\u6a5f\u5668\u306e\u4ed5\u69d8\u8005\u306f\u3001\u5185\u90e8\u30b3\u30f3\u30d9\u30e4\u30d5\u30ec\u30fc\u30e0\u3001\u6a5f\u68b0\u30ac\u30fc\u30c9\u3001\u30a2\u30af\u30bb\u30b9\u30d1\u30cd\u30eb\u3001\u975e\u6d78\u6f2c\u90e8\u54c1\u306b\u306fA2-70\u3092\u6a19\u6e96\u3068\u3057\u3001\u76f4\u63a5CIP\/SIP\u6d78\u6f2c\u30be\u30fc\u30f3\u3084\u6fc3\u7e2e\u5869\u5316\u7269\u6d88\u6bd2\u5264\u3092\u4f7f\u7528\u3059\u308b\u74b0\u5883\u306b\u306fA4-70\u307e\u305f\u306fA4-80\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u3002<\/p>\n<p>\u73fe\u5834\u304b\u3089\u306e\u5b9f\u7528\u7684\u306a\u4e00\u8a00\uff1a <strong>\u96fb\u89e3\u7814\u78e8<\/strong> A2\u30d5\u30a1\u30b9\u30ca\u30fc\u3092\u8a2d\u7f6e\u524d\u306b\u96fb\u89e3\u7814\u78e8\u3059\u308b\u3053\u3068\u3067\u3001\u30d1\u30c3\u30b7\u30d6\u5c64\u304c\u5f37\u5316\u3055\u308c\u3001\u6e05\u6383\u304c\u5bb9\u6613\u306b\u306a\u308b\u3002\u533b\u85ac\u54c1\u30b0\u30ec\u30fc\u30c9\u306e\u7528\u9014\uff08ISO\u30af\u30ea\u30fc\u30f3\u30eb\u30fc\u30e0\u3001\u30d0\u30a4\u30aa\u30ea\u30a2\u30af\u30bf\u30fc\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u30fc\uff09\u3067\u306f\u3001\u3053\u306e\u5de5\u7a0b\u306f\u3057\u3070\u3057\u3070\u6a5f\u5668OEM\u306b\u3088\u3063\u3066\u6307\u5b9a\u3055\u308c\u308b\u3002<\/p>\n<h3>\u5efa\u8a2d\u304a\u3088\u3073\u69cb\u9020\u7528\u9014<\/h3>\n<p>\u69cb\u9020\u7528\u30dc\u30eb\u30c8\u306b\u304a\u3044\u3066\u3001A2-70\u30dc\u30eb\u30c8\u306f\u4e3b\u306b\u71b1\u6d78\u4e9c\u925b\u3081\u3063\u304d\u3084\u6a5f\u68b0\u7684\u4e9c\u925b\u3081\u3063\u304d\u3055\u308c\u305f\u70ad\u7d20\u92fc\u30dc\u30eb\u30c8\u3068\u7af6\u5408\u3059\u308b\u3002\u5efa\u8a2d\u306b\u304a\u3051\u308bA2-70\u306e\u7406\u7531\uff1a<\/p>\n<ul>\n<li>\u5272\u308c\u305f\u308a\u5265\u304c\u308c\u305f\u308a\u3001\u65bd\u5de5\u8005\u306e\u53d6\u308a\u6271\u3044\u306b\u3088\u3063\u3066\u640d\u306a\u308f\u308c\u308b\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u304c\u306a\u3044<\/li>\n<li>\u518d\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u306a\u3057\u3067\u69cb\u9020\u7269\u306e\u8010\u7528\u5e74\u6570\u306b\u308f\u305f\u3063\u3066\u4e00\u5b9a\u306e\u6027\u80fd\u3092\u767a\u63ee<\/li>\n<li>Eurocode 3\uff08EN 1993\uff09\u306b\u57fa\u3065\u304f\u307b\u3068\u3093\u3069\u306e\u5185\u9678\u69cb\u9020\u7528\u9014\u306e\u8150\u98df\u66dd\u9732\u30af\u30e9\u30b9\u8981\u4ef6\u3092\u6e80\u305f\u3059<\/li>\n<\/ul>\n<p>\u30b9\u30c6\u30f3\u30ec\u30b9\u69cb\u9020\u7528\u30dc\u30eb\u30c8\u306f\u3001\u30d0\u30eb\u30b3\u30cb\u30fc\u3001\u30ab\u30fc\u30c6\u30f3\u30a6\u30a9\u30fc\u30eb\u306e\u30a2\u30f3\u30ab\u30fc\u3001\u540a\u308a\u5929\u4e95\u30b7\u30b9\u30c6\u30e0\u306a\u3069\u306e\u4e00\u90e8\u5efa\u7bc9\u7528\u9014\u3067\u4ed5\u69d8\u306b\u3088\u308a\u5fc5\u8981\u3068\u3055\u308c\u308b\u2014\u9732\u51fa\u3057\u305f\u30d5\u30a1\u30b9\u30ca\u30fc\u306f\u69cb\u9020\u306e\u7f8e\u89b3\u306b\u5408\u3044\u3001\u9577\u671f\u7684\u306a\u8010\u8150\u98df\u6027\u3092\u793a\u3059\u5fc5\u8981\u304c\u3042\u308b\u3002\u3053\u308c\u306b\u3064\u3044\u3066\u306f <a href=\"https:\/\/www.nist.gov\/\" target=\"_blank\" rel=\"noopener\">\u30a4\u30f3\u30d5\u30e9\u306b\u304a\u3051\u308b\u8150\u98df\u306b\u95a2\u3059\u308bNIST\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/a>\u306b\u3088\u308b\u3068\u3001\u8150\u98df\u306f\u5e74\u9593\u30671\u51462700\u5104\u5186\u4ee5\u4e0a\u306e\u30b3\u30b9\u30c8\u3092\u65e5\u672c\u7d4c\u6e08\u306b\u3082\u305f\u3089\u3057\u3001\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u8150\u98df\u306f\u30a4\u30f3\u30d5\u30e9\u7dad\u6301\u7ba1\u7406\u4e88\u7b97\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u304c\u3089\u898b\u843d\u3068\u3055\u308c\u304c\u3061\u306a\u8981\u7d20\u3067\u3042\u308b\u3002<\/p>\n<hr \/>\n<h2>A2-70\u3068\u4ed6\u306e\u30b0\u30ec\u30fc\u30c9\u306e\u6bd4\u8f03\uff1a\u9078\u3073\u65b9<\/h2>\n<p>\u3053\u3053\u3067\u591a\u304f\u306e\u4ed5\u69d8\u30df\u30b9\u304c\u8d77\u3053\u308b\u3002\u30d8\u30c3\u30c9\u30de\u30fc\u30af\u306f\u4f3c\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u3048\u3001\u30dc\u30eb\u30c8\u3054\u3068\u306e\u4fa1\u683c\u5dee\u3082\u5c0f\u3055\u304f\u898b\u3048\u308b\u305f\u3081\u3001\u904e\u5270\u4ed5\u69d8\uff08A4-80\u3092\u5168\u3066\u306b\u4f7f\u7528\uff09\u3084\u904e\u5c11\u4ed5\u69d8\uff08A2-50\u3092\u5fc5\u8981\u3068\u3059\u308b\u5834\u6240\u306bA2-70\u3092\u4f7f\u7528\uff09\u306b\u306a\u308a\u304c\u3061\u3067\u3042\u308b\u3002<\/p>\n<h3>A2-70\u3068A4-80\u306e\u6bd4\u8f03\uff1a\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u306e\u30bf\u30a4\u30df\u30f3\u30b0<\/h3>\n<p><strong>\u7c21\u6f54\u306a\u7b54\u3048\uff1a\u5869\u5316\u7269\u8150\u98df\u306e\u30ea\u30b9\u30af\u304c\u73fe\u5b9f\u7684\u306a\u5834\u5408\u306fA4-80\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u3053\u3068\u3002<\/strong><\/p>\n<p>A4\u30b9\u30c6\u30f3\u30ec\u30b9\uff08316\u76f8\u5f53\uff09\u306f\u30012\u301c3%\u30e2\u30ea\u30d6\u30c7\u30f3\u3092\u542b\u307f\u3001\u8010\u98df\u6027\u5c64\u5185\u306e\u5869\u7d20\u8a98\u767a\u30d4\u30c3\u30c8\u3092\u9032\u884c\u3059\u308b\u524d\u306b\u6e80\u305f\u3057\u307e\u3059\u3002\u5b9f\u7528\u7684\u306a\u95be\u5024\uff1a\u3042\u306a\u305f\u306e\u7528\u9014\u304c\u6b21\u306e\u3088\u3046\u306a\u5834\u5408\uff1a<\/p>\n<ul>\n<li>\u76f4\u63a5\u6d77\u6c34\u63a5\u89e6\u307e\u305f\u306f\u6cbf\u5cb8\u306e\u5927\u6c17\u570f\u5185\u7d041 km\u4ee5\u5185\u306e\u5834\u6240<\/li>\n<li>\u30d7\u30fc\u30eb\u3084\u30b9\u30d1\u306e\u74b0\u5883\uff08\u5869\u7d20\u51e6\u7406\u3055\u308c\u305f\u6c34\uff09<\/li>\n<li>\u5869\u5316\u7269\u5316\u5408\u7269\u3092\u7528\u3044\u305f\u5316\u5b66\u51e6\u7406<\/li>\n<li>\u9053\u8def\u30a4\u30f3\u30d5\u30e9\u306e\u51cd\u7d50\u9632\u6b62\u5869\u306e\u66dd\u9732<\/li>\n<\/ul>\n<p>\u2026\u306e\u5834\u5408\u3001A4-80\u304c\u9069\u5207\u306a\u30b0\u30ec\u30fc\u30c9\u3067\u3059\u3002\u5f37\u5ea6\u30af\u30e9\u30b980\uff08800 N\/mm\u00b2\u5f15\u5f35\u5f37\u5ea6\uff09\u306f\u3001A2-70\u306e700 N\/mm\u00b2\u306b\u5bfe\u3057\u3066\u6709\u7528\u306a\u5f37\u5ea6\u30d7\u30ec\u30df\u30a2\u30e0\u3082\u63d0\u4f9b\u3057\u3001\u9ad8\u8ca0\u8377\u306e\u63a5\u7d9a\u306b\u304a\u3044\u3066\u91cd\u8981\u3067\u3059\u3002<\/p>\n<p>\u5b9f\u969b\u306b\u306f\u3001A2-70\u30dc\u30eb\u30c8\u306f\u304a\u3088\u305d80%\u306e\u7523\u696d\u304a\u3088\u3073\u5efa\u8a2d\u306e\u7de0\u7d50\u7528\u9014\u3092\u30ab\u30d0\u30fc\u3057\u307e\u3059\u3002A4-80\u306f\u3001\u5869\u5316\u7269\u66dd\u9732\u304c\u5b9f\u969b\u306e\u8981\u56e0\u3068\u306a\u308b\u6b8b\u308a\u306e20%\u3092\u30ab\u30d0\u30fc\u3057\u307e\u3059\u3002<\/p>\n<h3>A2-70\u3068A2-50\uff1a\u6df7\u540c\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044<\/h3>\n<p>\u3053\u308c\u306f\u73fe\u5834\u3067\u6700\u3082\u4e00\u822c\u7684\u306a\u6df7\u540c\u3067\u3059\u3002A2-50\u306f <strong>\u540c\u4e00\u7d20\u6750<\/strong> A2-70\u3068\u540c\u3058304\u76f8\u5f53\u306e\u30b9\u30c6\u30f3\u30ec\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u51b7\u9593\u52a0\u5de5\u3055\u308c\u305f\u72b6\u614b\u3067\u306f\u306a\u304f\u3001\u30a2\u30cb\u30fc\u30ea\u30f3\u30b0\u3055\u308c\u305f\u67d4\u3089\u304b\u3044\u72b6\u614b\u3067\u4f9b\u7d66\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u7d50\u679c\u3068\u3057\u3066\u3001A2-50\u306e\u5f15\u5f35\u5f37\u5ea6\u306f\u308f\u305a\u304b500 N\/mm\u00b2\u3067\u3042\u308a\u3001ISO\u898f\u683c\u306e\u30e1\u30c8\u30ea\u30c3\u30af5.8\u70ad\u7d20\u92fc\u30dc\u30eb\u30c8\u3088\u308a\u3082\u5f31\u3044\u3067\u3059\u3002\u8efd\u8ca0\u8377\u306e\u975e\u69cb\u9020\u7528\u9014\uff08\u5916\u88c5\u7528\u306d\u3058\u3001\u96fb\u6c17\u30d1\u30cd\u30eb\u3001\u30c8\u30ea\u30e0\u56fa\u5b9a\uff09\u306b\u306f\u5341\u5206\u3067\u3059\u304c\u3001 <strong>\u7d76\u5bfe\u306b<\/strong> \u8377\u91cd\u3092\u652f\u3048\u308b\u63a5\u5408\u90e8\u306b\u6307\u5b9a\u3055\u308c\u305fA2-70\u30dc\u30eb\u30c8\u306e\u4ee3\u308f\u308a\u306b\u4f7f\u7528\u3059\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u554f\u984c\u70b9\uff1a\u898b\u305f\u76ee\u304c\u5168\u304f\u540c\u3058\u3067\u3059\u3002\u4e21\u8005\u3068\u3082\u5149\u6ca2\u304c\u3042\u308a\u3001\u975e\u78c1\u6027\u3067\u9280\u7070\u8272\u3067\u3059\u3002\u30dc\u30eb\u30c8\u30d8\u30c3\u30c9\u306e\u523b\u5370\u3060\u3051\u304c\u4fe1\u983c\u3067\u304d\u308b\u533a\u5225\u70b9\u3067\u3059\u3002<\/p>\n<h3>A2-70\u3068\u30b0\u30ec\u30fc\u30c98.8\u70ad\u7d20\u92fc<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u30d7\u30ed\u30d1\u30c6\u30a3<\/th>\n<th>A2-70\u30b9\u30c6\u30f3\u30ec\u30b9<\/th>\n<th>8.8\u70ad\u7d20\u92fc<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5f15\u5f35\u5f37\u5ea6<\/td>\n<td>700 N\/mm\u00b2<\/td>\n<td>800 N\/mm\u00b2<\/td>\n<\/tr>\n<tr>\n<td>\u964d\u4f0f\u70b9\uff08\u8a3c\u660e\u5fdc\u529b\uff09<\/td>\n<td>450 N\/mm\u00b2<\/td>\n<td>640 N\/mm\u00b2<\/td>\n<\/tr>\n<tr>\n<td>\u8010\u8150\u98df\u6027<\/td>\n<td>\u512a\u79c0\uff08\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u4e0d\u8981\uff09<\/td>\n<td>\u52a3\u308b\uff08\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u304c\u5fc5\u8981\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u78c1\u6c17<\/td>\n<td>\u3044\u3044\u3048<\/td>\n<td>\u306f\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u8010\u71b1\u6027<\/td>\n<td>\u7d04870\u00b0C\u307e\u3067\u826f\u597d<\/td>\n<td>\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u3088\u308b\u5236\u9650<\/td>\n<\/tr>\n<tr>\n<td>\u30ac\u30ea\u30f3\u30b0\u306e\u30ea\u30b9\u30af<\/td>\n<td>\u4e2d\u7a0b\u5ea6\uff08\u9632\u6b62\u6f64\u6ed1\u5264\u3092\u4f7f\u7528\uff09<\/td>\n<td>\u4f4e\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u30b3\u30b9\u30c8\uff08\u30dc\u30eb\u30c81\u672c\u3042\u305f\u308a\uff09<\/td>\n<td>2\u301c4\u500d\u9ad8\u3044<\/td>\n<td>\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3<\/td>\n<\/tr>\n<tr>\n<td>\u30ea\u30b5\u30a4\u30af\u30eb\u6027<\/td>\n<td>\u9ad8\uff08\u901a\u5e38\u306e\u518d\u751f\u7d20\u6750\u542b\u6709\u91cf\uff1a60%\u4ee5\u4e0a\uff09<\/td>\n<td>\u4e2d\u7a0b\u5ea6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u30b0\u30ec\u30fc\u30c98.8\u306e\u70ad\u7d20\u92fc\u30dc\u30eb\u30c8\u306f\u5f15\u5f35\u5f37\u5ea6\u3068\u964d\u4f0f\u5f37\u5ea6\u306e\u4e21\u9762\u3067\u3088\u308a\u5f37\u304f\u3001\u5358\u4f4d\u3042\u305f\u308a\u306e\u30b3\u30b9\u30c8\u3082\u5927\u5e45\u306b\u5b89\u3044\u3002\u4ee3\u308f\u308a\u306bA2-70\u30dc\u30eb\u30c8\u3092\u6307\u5b9a\u3059\u308b\u7406\u7531\u306f\u5b8c\u5168\u306b\u74b0\u5883\u306b\u4f9d\u5b58\u3059\u308b\uff1a\u63a5\u5408\u90e8\u304c\u6e7f\u6c17\u3001\u5927\u6c17\u8150\u98df\u3001\u307e\u305f\u306f\u70ad\u7d20\u92fc\u306e\u4fdd\u8b77\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u653b\u6483\u3059\u308b\u5316\u5b66\u74b0\u5883\u306b\u3055\u3089\u3055\u308c\u308b\u5834\u5408\u3001\u8010\u4e45\u30b3\u30b9\u30c8\u306e\u8a08\u7b97\u306f\u307b\u307c\u5e38\u306b\u30b9\u30c6\u30f3\u30ec\u30b9\u3092\u512a\u5148\u3059\u308b\u3002<\/p>\n<hr \/>\n<h2>A2-70\u306e\u53d6\u308a\u4ed8\u3051\uff1a\u30c8\u30eb\u30af\u3001\u30c9\u30ea\u30eb\u30b5\u30a4\u30ba\u3001\u6700\u826f\u306e\u5b9f\u8df5\u65b9\u6cd5<\/h2>\n<p>A2-70\u516d\u89d2\u30dc\u30eb\u30c8\u306e\u9069\u5207\u306a\u53d6\u308a\u4ed8\u3051\u306f\u3001\u30ac\u30ea\u30f3\u30b0\u3084\u6f64\u6ed1\u306b\u95a2\u3057\u3066\u4eba\u3005\u3092\u6238\u60d1\u308f\u305b\u308b\u70ad\u7d20\u92fc\u30dc\u30eb\u30c8\u306e\u53d6\u308a\u4ed8\u3051\u65b9\u6cd5\u3068\u306f\u7570\u306a\u308b\u70b9\u304c\u3042\u308b\u3002<\/p>\n<figure><img decoding=\"async\" style=\"width: 100%; height: auto;\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/04\/03-howto-2.jpg\" alt=\"\u9ad8\u54c1\u8cea\u306e\u30d5\u30e9\u30f3\u30b8\u30dc\u30eb\u30c8\u3068\u5de5\u696d\u7528\u30cd\u30b8\u304c\u88fd\u9020\u5de5\u5834\u3067\u7d44\u307f\u7acb\u3066\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u7cbe\u5ea6\u3068\u8010\u4e45\u6027\u304c\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30d5\u30a1\u30b9\u30ca\u30fc\u3092\u751f\u7523\u3059\u308b\u9375\u3067\u3059\u3002\" \/><\/figure>\n<h3>\u30c8\u30eb\u30af\u5024\u3068\u7de0\u4ed8\u3051\u529b<\/h3>\n<p>A2-70\u516d\u89d2\u30dc\u30eb\u30c8\uff08ISO 898-1\u306b\u57fa\u3065\u304d\u3001\u6a19\u6e96\u30d4\u30c3\u30c1\u3001\u4e7e\u71e5\u72b6\u614b\u3001\u6469\u64e6\u4fc2\u6570\u03bc=0.12\uff09\u306e\u63a8\u5968\u30c8\u30eb\u30af\u5024\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u540d\u76ee\u30b5\u30a4\u30ba<\/th>\n<th>\u30d4\u30c3\u30c1\uff08\u7c97\u76ee\uff09<\/th>\n<th>\u8010\u8377\u91cd\uff08kN\uff09<\/th>\n<th>\u30c8\u30eb\u30af\uff08Nm\uff09 \u2014 \u4e7e\u71e5\u72b6\u614b<\/th>\n<th>\u30c8\u30eb\u30af\uff08Nm\uff09 \u2014 \u6f64\u6ed1\u72b6\u614b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>M6<\/td>\n<td>1.0<\/td>\n<td>8.8<\/td>\n<td>9\u201311<\/td>\n<td>7\u20138<\/td>\n<\/tr>\n<tr>\n<td>M8<\/td>\n<td>1.25<\/td>\n<td>16.2<\/td>\n<td>22\u201325<\/td>\n<td>16\u201318<\/td>\n<\/tr>\n<tr>\n<td>M10<\/td>\n<td>1.5<\/td>\n<td>25.6<\/td>\n<td>43\u201350<\/td>\n<td>32\u201337<\/td>\n<\/tr>\n<tr>\n<td>M12<\/td>\n<td>1.75<\/td>\n<td>37.5<\/td>\n<td>74\u201386<\/td>\n<td>55\u201364<\/td>\n<\/tr>\n<tr>\n<td>M16<\/td>\n<td>2.0<\/td>\n<td>66.7<\/td>\n<td>180\u2013210<\/td>\n<td>135\u2013155<\/td>\n<\/tr>\n<tr>\n<td>M20<\/td>\n<td>2.5<\/td>\n<td>106<\/td>\n<td>350\u2013400<\/td>\n<td>260\u2013300<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u91cd\u8981:<\/strong> \u3053\u308c\u3089\u306f\u76ee\u5b89\u5024\u3067\u3059\u3002\u7279\u5b9a\u306e\u88fd\u54c1\u3001\u6f64\u6ed1\u5264\u3001\u57fa\u6750\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3064\u3044\u3066\u306f\u3001\u5fc5\u305a\u30d5\u30a1\u30b9\u30ca\u30fc\u88fd\u9020\u5143\u304c\u516c\u958b\u3057\u3066\u3044\u308b\u30c8\u30eb\u30af\u30c1\u30e3\u30fc\u30c8\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\u9632\u30ae\u30e3\u30ea\u30f3\u30b0\uff1a\u591a\u304f\u306e\u30ac\u30a4\u30c9\u304c\u7701\u7565\u3059\u308b\u91cd\u8981\u306a\u30b9\u30c6\u30c3\u30d7<\/h3>\n<p><strong>\u30ae\u30e3\u30ea\u30f3\u30b0\u306f\u3001\u30b9\u30c6\u30f3\u30ec\u30b9\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u53d6\u308a\u4ed8\u3051\u6642\u306b\u6700\u3082\u4e00\u822c\u7684\u306a\u6545\u969c\u30e2\u30fc\u30c9\u3067\u3059\u3002<\/strong> \u30ae\u30e3\u30ea\u30f3\u30b0\u306f\u3001\u7de0\u3081\u4ed8\u3051\u4e2d\u306b\u30dc\u30eb\u30c8\u3068\u30ca\u30c3\u30c8\u306e\u9178\u5316\u5c64\u304c\u6469\u64e6\u306b\u3088\u3063\u3066\u6eb6\u63a5\u3055\u308c\u308b\u73fe\u8c61\u3067\u3042\u308a\u3001\u305d\u306e\u7d50\u679c\u3001\u30dc\u30eb\u30c8\u304c\u7de0\u3081\u4ed8\u3051\u4e2d\u306b\u56fa\u7740\u3057\u305f\u3088\u3046\u306b\u898b\u3048\u3001\u7d9a\u884c\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u306d\u3058\u5c71\u304c\u7834\u640d\u3057\u307e\u3059\u3002<\/p>\n<p>A2-70\u30dc\u30eb\u30c8\u306f\u3001\u9178\u5316\u5c64\u304c\u540c\u3058\u3067\u3042\u308b\u305f\u3081\u3001\u70ad\u7d20\u92fc\u3088\u308a\u3082\u30ac\u30ea\u30f3\u30b0\uff08\u6469\u64e6\u713c\u304d\u4ed8\u304d\uff09\u306b\u5bfe\u3057\u3066\u654f\u611f\u3067\u3059\u3002\u30ac\u30ea\u30f3\u30b0\u3092\u9632\u6b62\u3059\u308b\u306b\u306f\uff1a<\/p>\n<ol>\n<li>\u5e38\u306b\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044 <a href=\"https:\/\/productionscrews.com\/ja\/bolt-nut-and\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"821\">\u6b63\u3057\u3044\u30ca\u30c3\u30c8\u306e\u7b49\u7d1a \u2014 A2\u30dc\u30eb\u30c8\u7528\u306eA2\u30ca\u30c3\u30c8<\/a> \u7533\u3057\u8a33\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u7ffb\u8a33\u3059\u308b\u30c6\u30ad\u30b9\u30c8\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u7ffb\u8a33\u3057\u305f\u3044\u82f1\u8a9e\u306e\u6587\u7ae0\u3092\u63d0\u4f9b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li>\u7d44\u307f\u7acb\u3066\u524d\u306b\u306d\u3058\u306b\u8010\u6469\u8017\u6f64\u6ed1\u5264\u3092\u5857\u5e03\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30e2\u30ea\u30d6\u30c7\u30f3\u30b8\u30b9\u30eb\u30d5\u30a3\u30c9\uff08MoS\u2082\uff09\u30da\u30fc\u30b9\u30c8\u3084PTFE\u30d9\u30fc\u30b9\u306e\u306d\u3058\u6f64\u6ed1\u5264\u306f\u3069\u3061\u3089\u3082\u52b9\u679c\u7684\u3067\u3059<\/li>\n<li>\u53d6\u308a\u4ed8\u3051\u901f\u5ea6\u3092\u9045\u304f\u3057\u3066\u304f\u3060\u3055\u3044 \u2014 \u9ad8\u901f\u30a4\u30f3\u30d1\u30af\u30c8\u30c9\u30e9\u30a4\u30d0\u30fc\u306f\u30b9\u30c6\u30f3\u30ec\u30b9\u306d\u3058\u306e\u30ac\u30ea\u30f3\u30b0\u30ea\u30b9\u30af\u3092\u8457\u3057\u304f\u5897\u52a0\u3055\u305b\u307e\u3059<\/li>\n<li>\u65e2\u306b\u30ac\u30ea\u30f3\u30b0\u3057\u305f\u306d\u3058\u306b\u30b9\u30c6\u30f3\u30ec\u30b9\u30dc\u30eb\u30c8\u3068\u30b9\u30c6\u30f3\u30ec\u30b9\u30ca\u30c3\u30c8\u3092\u4f7f\u7528\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044 \u2014 \u640d\u50b7\u3057\u305f\u306d\u3058\u306f\u6e05\u6383\u307e\u305f\u306f\u4ea4\u63db\u3057\u3066\u304b\u3089\u518d\u53d6\u308a\u4ed8\u3051\u3057\u3066\u304f\u3060\u3055\u3044<\/li>\n<\/ol>\n<p>\u5b9f\u969b\u306b\u306f\u3001Jet-Lube SS-30\u307e\u305f\u306f\u540c\u7b49\u54c1\u306e\u8584\u3044\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30b9\u30c6\u30f3\u30ec\u30b9\u306d\u3058\u306e\u30ac\u30ea\u30f3\u30b0\u6545\u969c\u3092\u751f\u7523\u30e9\u30a4\u30f3\u306790%\u4ee5\u4e0a\u524a\u6e1b\u3067\u304d\u308b\u3053\u3068\u304c\u308f\u304b\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u30af\u30ea\u30a2\u30e9\u30f3\u30b9\u3068\u30bf\u30c3\u30d7\u30c9\u30ea\u30eb\u30b5\u30a4\u30ba<\/h3>\n<p>A2 70\u30dc\u30eb\u30c8\u306e\u53d6\u308a\u4ed8\u3051\u306b\u306f\u3001ISO 273\u306b\u57fa\u3065\u304f\u6a19\u6e96\u7684\u306a\u30e1\u30c8\u30ea\u30c3\u30af\u30af\u30ea\u30a2\u30e9\u30f3\u30b9\u3068\u30d1\u30a4\u30ed\u30c3\u30c8\u30db\u30fc\u30eb\u306e\u30b5\u30a4\u30ba\u8a2d\u5b9a\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30dc\u30eb\u30c8\u30b5\u30a4\u30ba<\/th>\n<th>\u306d\u3058\u30d4\u30c3\u30c1<\/th>\n<th>\u30af\u30ea\u30a2\u30e9\u30f3\u30b9\u30db\u30fc\u30eb\uff08\u4e2d\u7a0b\u5ea6\u306e\u30d5\u30a3\u30c3\u30c8\uff09<\/th>\n<th>\u30bf\u30c3\u30d7\u30c9\u30ea\u30eb\uff08\u92fc\u6750\u306e\u30ca\u30c3\u30c8\u306d\u3058\u7528\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>M5<\/td>\n<td>0.8<\/td>\n<td>5.5 mm<\/td>\n<td>4.2 mm<\/td>\n<\/tr>\n<tr>\n<td>M6<\/td>\n<td>1.0<\/td>\n<td>6.6 mm<\/td>\n<td>5.0 mm<\/td>\n<\/tr>\n<tr>\n<td>M8<\/td>\n<td>1.25<\/td>\n<td>9.0 mm<\/td>\n<td>6.8 mm<\/td>\n<\/tr>\n<tr>\n<td>M10<\/td>\n<td>1.5<\/td>\n<td>11.0 mm<\/td>\n<td>8.5 mm<\/td>\n<\/tr>\n<tr>\n<td>M12<\/td>\n<td>1.75<\/td>\n<td>13.5 mm<\/td>\n<td>10.2 mm<\/td>\n<\/tr>\n<tr>\n<td>M16<\/td>\n<td>2.0<\/td>\n<td>18.0 mm<\/td>\n<td>14.0 mm<\/td>\n<\/tr>\n<tr>\n<td>M20<\/td>\n<td>2.5<\/td>\n<td>22.0 mm<\/td>\n<td>17.5 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306b\u30bf\u30c3\u30d7\u30c9\u30ea\u30eb\u3092\u884c\u3046\u5834\u5408\u306b\u7279\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\uff1a\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u6025\u901f\u306b\u786c\u5316\u3057\u307e\u3059\u3002\u92ed\u3044\u9ad8\u901f\u5ea6\u92fc\uff08HSS\uff09\u307e\u305f\u306f\u30b3\u30d0\u30eb\u30c8\u30c9\u30ea\u30eb\u30d3\u30c3\u30c8\u3092\u4f7f\u7528\u3057\u3001\u4f4e\u901f\u56de\u8ee2\u3001\u4e00\u5b9a\u306e\u5727\u529b\u3092\u304b\u3051\u3001\u5207\u524a\u6db2\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u5207\u524a\u4e2d\u306b\u505c\u6b62\u3057\u305f\u308a\u3001\u9014\u4e2d\u3067\u6b62\u3081\u305f\u308a\u3059\u308b\u3068\u3001\u6750\u6599\u304c\u786c\u5316\u3057\u3066\u30c9\u30ea\u30eb\u3092\u7834\u640d\u3055\u305b\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3054\u6ce8\u610f\u304f\u3060\u3055\u3044 <a href=\"https:\/\/www.engineeringtoolbox.com\/\" target=\"_blank\" rel=\"noopener\">\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30c4\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u30d5\u30a1\u30b9\u30ca\u30fc\u53c2\u8003\u8868<\/a>\u30b9\u30c6\u30f3\u30ec\u30b9\u88fd\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u30c8\u30eb\u30af-\u30c6\u30f3\u30b7\u30e7\u30f3\u95a2\u4fc2\u306f\u3001\u8868\u9762\u72b6\u614b\u306e\u5909\u52d5\u6027\u306b\u3088\u308a\u70ad\u7d20\u92fc\u3088\u308a\u3082\u5909\u52d5\u3057\u3084\u3059\u3044\u305f\u3081\u3001\u91cd\u8981\u306a\u63a5\u5408\u90e8\u3067\u306f\u5e38\u306b\u30c8\u30eb\u30af\u76e3\u67fb\u3092\u884c\u3063\u3066\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<hr \/>\n<h2>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u5c06\u6765\u306e\u52d5\u5411\uff082026\u5e74\u4ee5\u964d\uff09<\/h2>\n<p>a2 70\u30dc\u30eb\u30c8\u88fd\u54c1\u306e\u5e02\u5834\u306f\u3001\u6301\u7d9a\u53ef\u80fd\u6027\u3001\u30b5\u30d7\u30e9\u30a4\u30c1\u30a7\u30fc\u30f3\u306e\u5730\u57df\u5316\u3001\u7523\u696d\u8abf\u9054\u306e\u30c7\u30b8\u30bf\u30eb\u5316\u3068\u3044\u3063\u305f\u3088\u308a\u5e83\u7bc4\u306a\u52d5\u5411\u3068\u3068\u3082\u306b\u9032\u5316\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u6301\u7d9a\u53ef\u80fd\u6027\u3068\u30ea\u30b5\u30a4\u30af\u30eb\u7d20\u6750<\/h3>\n<p>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u5730\u7403\u4e0a\u3067\u6700\u3082\u30ea\u30b5\u30a4\u30af\u30eb\u3055\u308c\u3066\u3044\u308b\u7d20\u6750\u306e\u3072\u3068\u3064\u3067\u3059\u3002304\/316\u306e\u751f\u7523\u306b\u304a\u3051\u308b\u5e73\u5747\u30ea\u30b5\u30a4\u30af\u30eb\u542b\u6709\u91cf\u306f\u591a\u304f\u306e\u5e02\u5834\u306760%\u4ee5\u4e0a\u3092\u8d85\u3048\u3001\u4e00\u90e8\u306e\u7279\u6b8a\u88fd\u9244\u6240\u3067\u306f80%\u4ee5\u4e0a\u3092\u5831\u544a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u307e\u3059\u307e\u3059\u4ed5\u69d8\u306e\u6c7a\u5b9a\u8981\u56e0\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002LEED v4.1\u3084BREEAM\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u4e0b\u3067\u8a2d\u8a08\u30fb\u65bd\u5de5\u3092\u884c\u3046\u5efa\u7bc9\u5bb6\u3084\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3001\u30ea\u30b5\u30a4\u30af\u30eb\u542b\u6709\u91cf\u3084\u74b0\u5883\u88fd\u54c1\u5ba3\u8a00\uff08EPD\uff09\u304c\u8a18\u8f09\u3055\u308c\u305f\u30d5\u30a1\u30b9\u30ca\u30fc\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u8cc7\u6750\u306e\u30af\u30ec\u30b8\u30c3\u30c8\u3092\u7372\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u3061\u3089\u306e\u6307\u793a\u306b\u5f93\u3044\u3001\u82f1\u8a9e\u306e\u6587\u7ae0\u3092\u65e5\u672c\u8a9e\u306b\u53b3\u5bc6\u306b\u7ffb\u8a33\u3057\u307e\u3059\u3002 <a href=\"https:\/\/www.worldstainless.org\/sustainability\/\" target=\"_blank\" rel=\"noopener\">\u56fd\u969b\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u30d5\u30a9\u30fc\u30e9\u30e02024\u5e74\u6301\u7d9a\u53ef\u80fd\u6027\u30ec\u30dd\u30fc\u30c8<\/a>\u4e16\u754c\u306e\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u751f\u7523\u80fd\u529b\u306f2030\u5e74\u307e\u3067\u306b151\u4e07\u30c8\u30f3\u5897\u52a0\u3059\u308b\u3068\u4e88\u6e2c\u3055\u308c\u3066\u304a\u308a\u3001\u30a4\u30f3\u30c9\u3084\u6771\u5357\u30a2\u30b8\u30a2\u3067\u306e\u5927\u898f\u6a21\u306a\u5897\u5f37\u306b\u3088\u308a\u3001\u70ad\u7d20\u92fc\u306e\u4ee3\u66ff\u54c1\u306b\u6bd4\u3079\u3066A2\u30b0\u30ec\u30fc\u30c9\u306e\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u30b3\u30b9\u30c8\u304c\u3055\u3089\u306b\u4f4e\u4e0b\u3059\u308b\u898b\u8fbc\u307f\u3067\u3059\u3002\u9577\u671f\u7684\u306a\u4fa1\u683c\u52d5\u5411\u306f\u3001\u4fa1\u683c\u306b\u654f\u611f\u306a\u5efa\u8a2d\u7528\u9014\u306b\u304a\u3044\u3066\u3082A2 70\u30dc\u30eb\u30c8\u898f\u683c\u306e\u63a1\u7528\u62e1\u5927\u3092\u5f8c\u62bc\u3057\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u7523\u696d4.0\uff1a\u30c7\u30b8\u30bf\u30eb\u30de\u30fc\u30ad\u30f3\u30b0\u3068\u30b9\u30de\u30fc\u30c8\u7de0\u7d50<\/h3>\n<p><strong>\u500b\u3005\u306e\u30dc\u30eb\u30c8\u30d8\u30c3\u30c9\u306b\u30ec\u30fc\u30b6\u30fc\u30de\u30fc\u30af\u3055\u308c\u305fQR\u30b3\u30fc\u30c9\u3068DMC\uff08\u30c7\u30fc\u30bf\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u30b3\u30fc\u30c9\uff09 markings<\/strong> \u9ad8\u4fa1\u5024\u306e\u7528\u9014\uff08\u30aa\u30d5\u30b7\u30e7\u30a2\u3001\u822a\u7a7a\u5b87\u5b99\u3001\u539f\u5b50\u529b\uff09\u3067\u306e\u5c0e\u5165\u304c\u59cb\u307e\u3063\u3066\u3044\u307e\u3059\u3002\u30d8\u30c3\u30c9\u30ea\u30f3\u30af\u304b\u3089\u7d20\u6750\u8a3c\u660e\u66f8\u3001\u71b1\u30d0\u30c3\u30c1\u3001\u6a5f\u68b0\u8a66\u9a13\u5831\u544a\u66f8\u3092\u76f4\u63a5\u30b9\u30ad\u30e3\u30f3\u3057\u3001\u7d19\u306e\u8a18\u9332\u306a\u3057\u3067\u5b8c\u5168\u306a\u30c8\u30ec\u30fc\u30b5\u30d3\u30ea\u30c6\u30a3\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n<p>a2 70 \u30dc\u30eb\u30c8\u88fd\u54c1\u304c\u63d0\u4f9b\u3055\u308c\u308b\u5efa\u8a2d\u304a\u3088\u3073\u4e00\u822c\u7523\u696d\u5e02\u5834\u306b\u304a\u3044\u3066\u3001\u3053\u306e\u50be\u5411\u306f\u307e\u3060\u521d\u671f\u6bb5\u968e\u3067\u3059\u304c\u6ce8\u8996\u306b\u5024\u3057\u307e\u3059\u3002\u507d\u9020\u30d5\u30a1\u30b9\u30ca\u30fc\u306b\u95a2\u308f\u308b\u8abf\u9054\u30c1\u30fc\u30e0\uff08\u30b9\u30c6\u30f3\u30ec\u30b9\u30b0\u30ec\u30fc\u30c9\u3067\u306e\u554f\u984c\u3068\u3057\u3066\u8a18\u9332\u3055\u308c\u3066\u3044\u308b \u2014 \u507d\u7269\u306eA4-70\u304cA2-70\u3068\u3057\u3066\u4f9b\u7d66\u3055\u308c\u305f\u308a\u3001A2-50\u304cA2-70\u3068\u3057\u3066\u8aa4\u8868\u793a\u3055\u308c\u305f\u308a\u3059\u308b\u30b1\u30fc\u30b9\uff09\u306f\u3001\u4eca\u5f8c5\u5e74\u4ee5\u5185\u306b\u30c7\u30b8\u30bf\u30eb\u30de\u30fc\u30ad\u30f3\u30b0\u3092\u6a19\u6e96\u5316\u3059\u308b\u3088\u3046\u4fc3\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30bf\u30fc\u30b2\u30c3\u30c8\u3067\u8272\u304c\u5909\u308f\u308b\u30ab\u30e9\u30fc\u306e\u30ef\u30c3\u30b7\u30e3\u30fc\u3084\u5316\u5b66\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc\u306b\u3088\u308b\u30c8\u30eb\u30af\u8868\u793a <a href=\"https:\/\/productionscrews.com\/ja\/essential-guide-to-fastener-installation-why-clamp-load-beats-torque-every-time\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"822\">\u30af\u30e9\u30f3\u30d7\u8377\u91cd<\/a> \u54c1\u8cea\u306b\u91cd\u8981\u306a\u8a2d\u7f6e\u306b\u3082\u307e\u3059\u307e\u3059\u4f7f\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u8a2d\u7f6e\u30d7\u30ed\u30bb\u30b9\u306e\u63a8\u6e2c\u3092\u6392\u9664\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<hr \/>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<h3>\u30dc\u30eb\u30c8\u306eA2-70\u306f\u4f55\u3092\u610f\u5473\u3057\u307e\u3059\u304b\uff1f<\/h3>\n<p>A2-70\u306f\u610f\u5473\u3057\u307e\u3059 <a href=\"https:\/\/productionscrews.com\/ja\/stainless-steel-bolts\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"820\">\u30dc\u30eb\u30c8\u306f\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfb\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u30b0\u30ec\u30fc\u30c9\u3067\u4f5c\u3089\u308c\u3066\u3044\u307e\u3059<\/a> A2\uff08304\u30b9\u30c6\u30f3\u30ec\u30b9\u76f8\u5f53\uff09\u306f\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u30af\u30e9\u30b970\u3092\u9054\u6210\u3057\u3066\u304a\u308a\u3001\u3053\u308c\u306f\u6700\u5c0f\u5f15\u5f35\u5f37\u3055700 N\/mm\u00b2\u3001\u6700\u5c0f\u8010\u529b450 N\/mm\u00b2\u3092\u610f\u5473\u3057\u307e\u3059\u3002ISO 3506\u306b\u5f93\u3063\u3066\u3053\u306e\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>A2-70\u306eASTM\u76f8\u5f53\u54c1\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n<p>A2-70\u30dc\u30eb\u30c8\u306e\u6700\u3082\u8fd1\u3044ASTM\u76f8\u5f53\u54c1\u306f <strong>ASTM F593 \u5408\u91d1\u30b0\u30eb\u30fc\u30d71\uff08304\/305\u30b9\u30c6\u30f3\u30ec\u30b9\uff09\u3001\u6761\u4ef6CW<\/strong> \uff08\u51b7\u9593\u52a0\u5de5\uff09\u3002\u6761\u4ef6CW\u306fISO 3506\u30af\u30e9\u30b970\u306e\u7279\u6027\u30af\u30e9\u30b9\u306b\u5339\u6575\u3059\u308b\u5f37\u5ea6\u30ec\u30d9\u30eb\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002ASTM\u3068ISO\u306e\u8a8d\u8a3c\u306f\u76f4\u63a5\u7684\u306b\u4e92\u63db\u6027\u304c\u306a\u3044\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044 \u2014 \u91cd\u8981\u306a\u7528\u9014\u306e\u5834\u5408\u306f\u3001\u4ed5\u69d8\u304c\u5fc5\u8981\u3068\u3059\u308b\u6a19\u6e96\u3092\u78ba\u8a8d\u3057\u3001\u305d\u306e\u7279\u5b9a\u306e\u6a19\u6e96\u306b\u8a8d\u8a3c\u3055\u308c\u305f\u30dc\u30eb\u30c8\u3092\u5165\u624b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u30ca\u30c3\u30c8\u3068A2-70\u30dc\u30eb\u30c8\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u306f\u3044 \u2014 \u305d\u3057\u3066\u4f7f\u7528\u3059\u3079\u304d\u3067\u3059\u3002\u4e92\u63db\u6027\u306e\u305f\u3081\u306bA2\u30ca\u30c3\u30c8\u3068A2-70\u30dc\u30eb\u30c8\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u7570\u306a\u308b\u30b0\u30ec\u30fc\u30c9\uff08\u4f8b\uff1aA4\u30ca\u30c3\u30c8\u3068A2\u30dc\u30eb\u30c8\uff09\u306f\u8150\u98df\u306e\u89b3\u70b9\u304b\u3089\u4e00\u822c\u7684\u306b\u8a31\u5bb9\u3055\u308c\u307e\u3059\u304c\u3001\u6a19\u6e96\u5916\u3067\u3042\u308a\u3001\u54c1\u8cea\u91cd\u8996\u306e\u7d44\u307f\u7acb\u3066\u306b\u66f8\u985e\u4e0a\u306e\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30b9\u30c6\u30f3\u30ec\u30b9\u540c\u58eb\u306e\u306d\u3058\u3092\u7d44\u307f\u7acb\u3066\u308b\u969b\u306f\u3001\u30ae\u30e3\u30ea\u30f3\u30b0\u3092\u9632\u3050\u305f\u3081\u306b\u5e38\u306b\u8010\u6469\u8017\u5264\u3084\u306d\u3058\u6f64\u6ed1\u5264\u3092\u5857\u5e03\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>A2-70\u30dc\u30eb\u30c8\u306f\u78c1\u6c17\u3092\u5e2f\u3073\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u3044\u3044\u3048\u3002A2\u30b9\u30c6\u30f3\u30ec\u30b9\u306f\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfb\u3067\u3042\u308a\u3001 <strong>\u713c\u920d\u72b6\u614b\u3067\u306f\u975e\u78c1\u6027\u3067\u3059<\/strong>\u3002\u305f\u3060\u3057\u3001A2-70\u30dc\u30eb\u30c8\u306e\u88fd\u9020\u904e\u7a0b\u3067\u306e\u51b7\u9593\u52a0\u5de5\u306b\u3088\u308a\u3001\u5fae\u91cf\u306e\u30de\u30eb\u30c6\u30f3\u30b5\u30a4\u30c8\u304c\u5fae\u7d30\u69cb\u9020\u306b\u8a98\u5c0e\u3055\u308c\u3001\u30d5\u30a1\u30b9\u30ca\u30fc\u304c\u5f31\u304f\u78c1\u6027\u3092\u5e2f\u3073\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u6b63\u5e38\u3067\u3042\u308a\u3001\u6750\u6599\u306e\u6b20\u9665\u3092\u793a\u3059\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u672c\u7269\u306e\u78c1\u6027\u30b9\u30c6\u30f3\u30ec\u30b9\uff08\u30d5\u30a7\u30e9\u30a4\u30c8\u7cfb\u307e\u305f\u306f\u30de\u30eb\u30c6\u30f3\u30b5\u30a4\u30c8\u7cfb\u30b0\u30ec\u30fc\u30c9\uff09\u306f\u898b\u305f\u76ee\u304c\u7570\u306a\u308a\u307e\u3059 \u2014 \u975e\u78c1\u6027\u306e\u30d5\u30a1\u30b9\u30ca\u30fc\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001A2\u307e\u305f\u306fA4\u3092\u6307\u5b9a\u3057\u3001\u4f9b\u7d66\u8005\u306b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>A2-70 M8\u30dc\u30eb\u30c8\u306b\u9069\u3057\u305f\u30c9\u30ea\u30eb\u30d3\u30c3\u30c8\u306e\u30b5\u30a4\u30ba\u306f\uff1f<\/h3>\n<p>\u30d7\u30ec\u30fc\u30c8\u3092\u901a\u3059\u30af\u30ea\u30a2\u30e9\u30f3\u30b9\u7a74\uff08ISO 273\u306e\u4e2d\u9593\u9069\u5408\uff09\u306b\u306f\uff1a <strong>9.0 mm\u306e\u30c9\u30ea\u30eb\u30d3\u30c3\u30c8<\/strong>\u3002M8\u30cd\u30b8\u3092\u53d7\u3051\u5165\u308c\u308b\u305f\u3081\u306e\u30d6\u30e9\u30a4\u30f3\u30c9\u7a74\u306e\u306d\u3058\u5207\u308a\u306b\u306f\uff1a <strong>6.8 mm\u306e\u30bf\u30c3\u30d7\u30c9\u30ea\u30eb\u30d3\u30c3\u30c8<\/strong> \u6a19\u6e96\u306e\u7c97\u306d\u3058M8\u00d71.25\u7528\u3002\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306b\u7a74\u3092\u958b\u3051\u308b\u969b\u306f\u30b3\u30d0\u30eb\u30c8\u307e\u305f\u306fTiN\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u30c9\u30ea\u30eb\u30d3\u30c3\u30c8\u3092\u4f7f\u7528\u3057\u3001\u5207\u524a\u6db2\u3092\u5857\u5e03\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>A2-70\u30dc\u30eb\u30c8\u306fGrade 8.8\u3068\u6bd4\u3079\u3066\u3069\u308c\u304f\u3089\u3044\u5f37\u3044\u3067\u3059\u304b\uff1f<\/h3>\n<p>A2-70\u30dc\u30eb\u30c8\u306e\u5f15\u5f35\u5f37\u5ea6\u306f700 N\/mm\u00b2\u3067\u3001Grade 8.8\u306e800 N\/mm\u00b2\u306b\u6bd4\u3079\u3066\u7d0412.5%\u5f31\u3044\u3067\u3059\u3002\u964d\u4f0f\u70b9\uff08\u5f15\u5f35\u8010\u529b\u306b\u76f8\u5f53\uff09\u306fA2-70\u304c450 N\/mm\u00b2\u30018.8\u304c640 N\/mm\u00b2\u3067\u3001\u3088\u308a\u5927\u304d\u306a\u5dee\u306e30%\u304c\u3042\u308a\u307e\u3059\u3002\u8150\u98df\u8010\u6027\u304c\u5fc5\u8981\u306a\u3044\u8377\u91cd\u652f\u6301\u63a5\u5408\u306b\u306f\u30018.8\u70ad\u7d20\u92fc\u306e\u65b9\u304c\u3088\u308a\u5f37\u304f\u7d4c\u6e08\u7684\u306a\u9078\u629e\u3067\u3059\u3002\u8150\u98df\u6027\u74b0\u5883\u3067\u306f\u3001A2-70\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30d5\u30ea\u30fc\u306e\u8010\u7528\u5e74\u6570\u304c\u4ed5\u69d8\u3092\u6b63\u5f53\u5316\u3057\u307e\u3059\u3002<\/p>\n<h3>A2-70\u30dc\u30eb\u30c8\u306f\u3069\u3053\u3067\u8cfc\u5165\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n<p>A2-70\u30dc\u30eb\u30c8\u306f\u3001\u5de5\u696d\u7528\u30d5\u30a1\u30b9\u30ca\u30fc\u8ca9\u58f2\u5e97\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3001\u5c02\u9580\u306e\u30b9\u30c6\u30f3\u30ec\u30b9\u30d5\u30a1\u30b9\u30ca\u30fc\u30e1\u30fc\u30ab\u30fc\u304b\u3089\u5165\u624b\u53ef\u80fd\u3067\u3059\u3002\u8cfc\u5165\u6642\u306b\u306f\u3001ISO 3506\u306e\u6750\u6599\u8a3c\u660e\u66f8\u3092\u63d0\u4f9b\u3059\u308b\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3092\u9078\u3073\u3001\u30d8\u30c3\u30c9\u306e\u30de\u30fc\u30ad\u30f3\u30b0\u304c\u6ce8\u6587\u3057\u305f\u30b0\u30ec\u30fc\u30c9\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5927\u91cf\u6ce8\u6587\u306e\u5834\u5408\u306f\u3001\u6750\u6599\u3068\u6a5f\u68b0\u7684\u9069\u5408\u6027\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u306b\u30df\u30eb\u8a3c\u660e\u66f8\uff08EN 10204 3.1\u307e\u305f\u306f3.2\u8a3c\u660e\u66f8\uff09\u3092\u8981\u6c42\u3057\u3066\u304f\u3060\u3055\u3044 \u2014 \u3053\u308c\u306f\u54c1\u8cea\u91cd\u8996\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u6a19\u6e96\u7684\u306a\u6163\u884c\u3067\u3059\u3002<\/p>\n<figure><img decoding=\"async\" style=\"width: 100%; height: auto;\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/04\/04-closing-2.jpg\" alt=\"\u4e01\u9f8d\u306e\u88fd\u9020\u65bd\u8a2d\u306e\u5de5\u696d\u7528\u30cd\u30b8\u3068\u30dc\u30eb\u30c8\u306e\u5009\u5eab\u3001\u5e83\u3005\u3068\u3057\u305f\u5de5\u696d\u74b0\u5883\u3067\u6574\u7406\u3055\u308c\u305f\u30d5\u30e9\u30f3\u30b8\u30dc\u30eb\u30c8\u3068\u5de5\u696d\u7528\u30cd\u30b8\u306e\u4fdd\u7ba1\u72b6\u6cc1\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\" \/><\/figure>\n<hr \/>\n<h2>\u7d50\u8ad6<\/h2>\n<p>A2 70\u30dc\u30eb\u30c8\u306f\u3001\u307b\u3068\u3093\u3069\u306e\u8150\u98df\u306b\u654f\u611f\u306a\u7de0\u7d50\u7528\u9014\u306b\u9069\u3057\u305f\u6a19\u6e96\u7684\u306a\u9078\u629e\u80a2\u3067\u3059\uff1a\u5c4b\u5916\u5efa\u8a2d\u3001\u98df\u54c1\u52a0\u5de5\u8a2d\u5099\u3001\u5efa\u7bc9\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3001\u305d\u3057\u3066\u4eca\u5f8c20\u5e74\u9593\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306a\u3057\u3067\u4f7f\u7528\u3067\u304d\u308b\u30d5\u30a1\u30b9\u30ca\u30fc\u304c\u5fc5\u8981\u306a\u5834\u6240\u3067\u3059\u3002\u305d\u306e304\u76f8\u5f53\u306e\u30b9\u30c6\u30f3\u30ec\u30b9\u6750\u6599\u3068\u51b7\u9593\u52a0\u5de5\u3055\u308c\u305f700 N\/mm\u00b2\u306e\u5f37\u5ea6\u306e\u7d44\u307f\u5408\u308f\u305b\u306f\u3001\u5b9f\u4e16\u754c\u306e\u8981\u4ef6\u306e\u5927\u90e8\u5206\u3092\u30ab\u30d0\u30fc\u3057\u307e\u3059\u3002<\/p>\n<p>\u91cd\u8981\u306a\u6c7a\u5b9a\u30dd\u30a4\u30f3\u30c8\uff1a\u5869\u5316\u7269\u8150\u98df\u304c\u5b9f\u969b\u306e\u74b0\u5883\u8981\u56e0\u3067\u3042\u308c\u3070A4-80\u306b\u30b9\u30c6\u30c3\u30d7\u30a2\u30c3\u30d7\u3057\u3001A2-70\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u6240\u3067A2-50\u3092\u4ee3\u66ff\u3068\u3057\u3066\u53d7\u3051\u5165\u308c\u306a\u3044\u3053\u3068 \u2014 \u898b\u305f\u76ee\u306f\u540c\u3058\u3067\u3059\u304c\u3001\u6a5f\u68b0\u7684\u6027\u8cea\u306f\u5927\u304d\u304f\u7570\u306a\u308a\u307e\u3059\u3002\u53d6\u308a\u4ed8\u3051\u6642\u306b\u306f\u3001\u306d\u3058\u6f64\u6ed1\u5264\u3092\u4f7f\u7528\u3057\u3066\u30ac\u30ea\u30f3\u30b0\u3092\u9632\u3050\u3053\u3068\u304c\u6700\u3082\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3067\u3042\u308a\u3001\u591a\u304f\u306e\u53d6\u308a\u4ed8\u3051\u30ac\u30a4\u30c9\u304c\u7701\u7565\u3057\u3066\u3044\u308b\u90e8\u5206\u3067\u3059\u3002 <a href=\"https:\/\/productionscrews.com\/ja\/rivet-nut\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"823\">\u53d6\u308a\u4ed8\u3051\u30ac\u30a4\u30c9<\/a> \u7533\u3057\u8a33\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u7ffb\u8a33\u3059\u308b\u30c6\u30ad\u30b9\u30c8\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u7ffb\u8a33\u3057\u305f\u3044\u82f1\u8a9e\u306e\u6587\u7ae0\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>ProductionScrews.com\u3067\u306f\u3001M4\u304b\u3089M36\u307e\u3067\u306e\u3059\u3079\u3066\u306e\u4e3b\u8981\u30d8\u30c3\u30c9\u30b9\u30bf\u30a4\u30eb\u306eA2 70\u30dc\u30eb\u30c8\u30a2\u30bb\u30f3\u30d6\u30ea\u3092\u5728\u5eab\u3057\u3066\u304a\u308a\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066ISO 3506\u8a8d\u8a3c\u3092\u5b8c\u5168\u306b\u53d6\u5f97\u3057\u3066\u3044\u307e\u3059\u3002A2-70\u306e\u7bc4\u56f2\u3092\u95b2\u89a7\u3059\u308b\u304b\u3001\u30dc\u30eb\u30c8\u306e\u30b0\u30ec\u30fc\u30c9\u3068\u7528\u9014\u306e\u9069\u5408\u306b\u3064\u3044\u3066\u30b5\u30dd\u30fc\u30c8\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u5f53\u793e\u306e\u6280\u8853\u30c1\u30fc\u30e0\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What does A2-70 mean on a bolt?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"A2-70 means the bolt is made from austenitic stainless steel grade A2 (equivalent to 304 stainless) and has achieved property class 70, meaning a minimum tensile strength of 700 N\\\/mm\\u00b2 and a minimum proof stress of 450 N\\\/mm\\u00b2, per ISO 3506.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is the ASTM equivalent of A2-70?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The closest ASTM equivalent for an A2-70 bolt is ASTM F593 Alloy Group 1 (304\\\/305 stainless), Condition CW (cold worked), which provides comparable strength to ISO 3506 class 70.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can I use A2-70 bolts with a stainless steel nut?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. Use A2 nuts with A2-70 bolts. Always apply anti-seize or thread lubricant when assembling stainless-to-stainless threads to prevent galling.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is an A2-70 bolt magnetic?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"No, A2-70 bolts are non-magnetic in the annealed state. Minor magnetism from cold working during manufacture is normal and not a material defect.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What drill bit size for an A2-70 M8 bolt?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"For a clearance hole (medium fit per ISO 273): 9.0 mm. For threading a blind hole (M8\\u00d71.25 coarse thread): 6.8 mm tap drill bit. Use cobalt or TiN-coated bits with cutting fluid when drilling stainless.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How strong is an A2-70 bolt compared to Grade 8.8?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"An A2-70 bolt has 700 N\\\/mm\\u00b2 tensile strength vs. 800 N\\\/mm\\u00b2 for 8.8 carbon steel \\u2014 about 12.5% weaker in tensile terms. For non-corrosive environments, 8.8 steel is stronger and more economical; for corrosive environments, A2-70's maintenance-free service life justifies the specification.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Where can I buy A2-70 bolts?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"A2-70 bolts are available from industrial fastener distributors and specialist stainless fastener suppliers. Always request ISO 3506 material certificates and confirm head markings match the ordered grade. For bulk orders, request an EN 10204 3.1 or 3.2 mill certificate.\"\n            }\n        }\n    ]\n}<\/script><\/p>","protected":false},"excerpt":{"rendered":"<p>A2-70\u30dc\u30eb\u30c8\u306b\u3064\u3044\u3066\u77e5\u3063\u3066\u304a\u304f\u3079\u304d\u3059\u3079\u3066\uff1a\u547c\u79f0\u306e\u5185\u8a33\u3001\u6750\u6599\u7279\u6027\u3001\u7a2e\u985e\u3001\u7528\u9014\u3001\u30c8\u30eb\u30af\u5024\u3001\u30c9\u30ea\u30eb\u30b5\u30a4\u30ba\u3001A2-70\u3068A4-80\u306e\u9078\u3073\u65b9\u3002<\/p>","protected":false},"author":1,"featured_media":3459,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3463","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-screws-flange-tutorial"],"_links":{"self":[{"href":"https:\/\/productionscrews.com\/ja\/wp-json\/wp\/v2\/posts\/3463","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/productionscrews.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/productionscrews.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/ja\/wp-json\/wp\/v2\/comments?post=3463"}],"version-history":[{"count":1,"href":"https:\/\/productionscrews.com\/ja\/wp-json\/wp\/v2\/posts\/3463\/revisions"}],"predecessor-version":[{"id":3464,"href":"https:\/\/productionscrews.com\/ja\/wp-json\/wp\/v2\/posts\/3463\/revisions\/3464"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/ja\/wp-json\/wp\/v2\/media\/3459"}],"wp:attachment":[{"href":"https:\/\/productionscrews.com\/ja\/wp-json\/wp\/v2\/media?parent=3463"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/productionscrews.com\/ja\/wp-json\/wp\/v2\/categories?post=3463"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/productionscrews.com\/ja\/wp-json\/wp\/v2\/tags?post=3463"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}