{"id":3713,"date":"2026-05-09T14:45:32","date_gmt":"2026-05-09T14:45:32","guid":{"rendered":"https:\/\/productionscrews.com\/unf-thread\/"},"modified":"2026-05-09T15:12:44","modified_gmt":"2026-05-09T15:12:44","slug":"unf-thread","status":"publish","type":"post","link":"https:\/\/productionscrews.com\/ja\/unf-thread\/","title":{"rendered":"UNF\u306d\u3058\uff1a\u30e6\u30cb\u30d5\u30a1\u30a4\u30c9\u30ca\u30b7\u30e7\u30ca\u30eb\u30d5\u30a1\u30a4\u30f3\u306d\u3058\u898f\u683c\u306e\u5b8c\u5168\u30ac\u30a4\u30c9"},"content":{"rendered":"<h1>UNF\u306d\u3058\uff1a\u30e6\u30cb\u30d5\u30a1\u30a4\u30c9\u30ca\u30b7\u30e7\u30ca\u30eb\u30d5\u30a1\u30a4\u30f3\u306d\u3058\u898f\u683c\u306e\u5b8c\u5168\u30ac\u30a4\u30c9<\/h1>\n<p class=\"direct-answer\"><strong>UNF\u306d\u3058\uff08\u30e6\u30cb\u30d5\u30a1\u30a4\u30c9\u30ca\u30b7\u30e7\u30ca\u30eb\u30d5\u30a1\u30a4\u30f3\uff09\u306f\u3001UNC\u3088\u308a\u3082\u7d30\u304b\u3044\u30d4\u30c3\u30c1\u3092\u6301\u306460\u00b0\u306e\u30a4\u30f3\u30c1\u306d\u3058\u3067\u3001ANSI\/ASME B1.1\u306b\u3088\u3063\u3066\u5b9a\u7fa9\u3055\u308c\u30011\u30a4\u30f3\u30c1\u3042\u305f\u308a\u306e\u5c71\u6570\uff08TPI\uff09\u3067\u6e2c\u5b9a\u3055\u308c\u3001\u632f\u52d5\u8010\u6027\u3084\u9ad8\u7cbe\u5ea6\u306a\u7de0\u7d50\u529b\u304c\u91cd\u8981\u306a\u5834\u9762\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/strong><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/01-hero-11.png\" alt=\"UNF\u306d\u3058\u2014\u7cbe\u5bc6\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u4f5c\u696d\u53f0\u306b\u306d\u3058\u30b2\u30fc\u30b8\u3068\u30dc\u30eb\u30c8\u3092\u914d\u7f6e\u3057\u305f\u30d2\u30fc\u30ed\u30fc\u30a4\u30e9\u30b9\u30c8\" \/><\/p>\n<p>\u304a\u5ba2\u69d8\u304b\u3089\u300c1\/4-28 UNF-2A\u300d\u3068\u8a18\u8f09\u3055\u308c\u305f\u56f3\u9762\u304c\u9001\u3089\u308c\u3066\u304f\u308b\u3068\u3001\u7d4c\u9a13\u8c4a\u5bcc\u306a\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3059\u3050\u306b\u305d\u308c\u3092\u8a8d\u8b58\u3057\u307e\u3059\u3002\u65e5\u672c\u306e\u8abf\u9054\u30c1\u30fc\u30e0\u3084\u30d5\u30a1\u30b9\u30ca\u30fc\u898f\u683c\u306b\u4e0d\u6163\u308c\u306a\u30d0\u30a4\u30e4\u30fc\u306f\u6238\u60d1\u3046\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u300cUNF\u300d\u3068\u306f\u4f55\u304b\uff1fUNC\u3001BSP\u3001NPT\u3068\u306f\u3069\u3046\u9055\u3046\u306e\u304b\uff1f\u5b9f\u969b\u306b\u5fc5\u8981\u306a\u30b5\u30a4\u30ba\u3084\u6307\u5b9a\u3059\u3079\u304d\u516c\u5dee\u7b49\u7d1a\u306f\u3069\u308c\u304b\uff1f<\/p>\n<p>\u3053\u306e\u30ac\u30a4\u30c9\u306f\u305d\u308c\u3089\u3059\u3079\u3066\u306e\u8cea\u554f\u306b\u7b54\u3048\u307e\u3059\u3002\u30a4\u30f3\u30c1\u3068\u30df\u30ea\u4e21\u65b9\u306e\u5b8c\u5168\u306aUNF\u306d\u3058\u30c1\u30e3\u30fc\u30c8\u3001\u7af6\u5408\u898f\u683c\u3068\u306e\u660e\u78ba\u306a\u6bd4\u8f03\u3001\u5b9f\u969b\u306e <a href=\"https:\/\/productionscrews.com\/ja\/nut-vs-bolt\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"944\">\u696d\u754c\u3067\u306e\u5fdc\u7528<\/a> \u4f8b\u3001\u305d\u3057\u3066UNF\u306d\u3058\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u6307\u5b9a\u3084\u8abf\u9054\u306b\u95a2\u3059\u308b\u5b9f\u8df5\u7684\u306a\u30ac\u30a4\u30c0\u30f3\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<hr \/>\n<h2>UNF\u306d\u3058\u3068\u306f\uff1f<\/h2>\n<p><strong>UNF\u306d\u3058\u306f\u30e6\u30cb\u30d5\u30a1\u30a4\u30c9\u30ca\u30b7\u30e7\u30ca\u30eb\u30d5\u30a1\u30a4\u30f3\u306d\u3058\u3067\u3001UNC\uff08\u30e6\u30cb\u30d5\u30a1\u30a4\u30c9\u30ca\u30b7\u30e7\u30ca\u30eb\u30b3\u30fc\u30b9\uff09\u3088\u308a\u3082\u7d30\u304b\u3044\u30d4\u30c3\u30c1\u3092\u6301\u306460\u00b0\u306e\u30a4\u30f3\u30c1\u306d\u3058\u3067\u3042\u308a\u3001ANSI\/ASME B1.1\u306e\u3082\u3068\u3067\u6a19\u6e96\u5316\u3055\u308c\u3001\u822a\u7a7a\u5b87\u5b99\u3001\u81ea\u52d5\u8eca\u3001\u7cbe\u5bc6\u88fd\u9020\u5206\u91ce\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/strong><\/p>\n<p>UNF\u306e\u300c\u30e6\u30cb\u30d5\u30a1\u30a4\u30c9\u300d\u306f\u30011940\u5e74\u4ee3\u306b\u65e5\u672c\u3001\u30ab\u30ca\u30c0\u3001\u30a4\u30ae\u30ea\u30b9\u306e\u4e09\u56fd\u9593\u3067\u7de0\u7d50\u3055\u308c\u305f\u6a19\u6e96\u5316\u5354\u5b9a\u3092\u6307\u3057\u307e\u3059\u3002\u3053\u306e\u5354\u5b9a\u4ee5\u524d\u306f\u3001\u30a2\u30e1\u30ea\u30ab\u30f3\u30ca\u30b7\u30e7\u30ca\u30eb\u306d\u3058\u3068\u30d6\u30ea\u30c6\u30a3\u30c3\u30b7\u30e5\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9\u30a6\u30a3\u30c3\u30c8\u30ef\u30fc\u30b9\u306d\u3058\u306f\u4e92\u63db\u6027\u304c\u306a\u304f\u3001\u6226\u6642\u306e\u7269\u6d41\u306b\u5927\u304d\u306a\u554f\u984c\u3092\u3082\u305f\u3089\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u30e6\u30cb\u30d5\u30a1\u30a4\u30c9\u898f\u683c\u306f\u3001\u5171\u901a\u306e60\u00b0\u306d\u3058\u89d2\u3068\u6a19\u6e96\u5316\u3055\u308c\u305fTPI\u5024\u3092\u5b9a\u3081\u308b\u3053\u3068\u3067\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3057\u307e\u3057\u305f\u3002\u300c\u30d5\u30a1\u30a4\u30f3\u300d\u306fUNC\u3068\u306e\u9055\u3044\u3092\u793a\u3057\u3001\u540c\u3058\u89d2\u5ea6\u3067\u30d4\u30c3\u30c1\u304c\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u306b\u3088\u308b\u3068 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Unified_Thread_Standard\" target=\"_blank\" rel=\"noopener\">\u65e5\u672c\u6a5f\u68b0\u5b66\u4f1a\u306b\u3088\u3063\u3066\u6587\u66f8\u5316\u3055\u308c\u3001Wikipedia\u3067\u53c2\u7167\u3055\u308c\u3066\u3044\u308b\u30e6\u30cb\u30d5\u30a1\u30a4\u30c9\u306d\u3058\u898f\u683c<\/a>UNF\u30b7\u30ea\u30fc\u30ba\u306f\u30e6\u30cb\u30d5\u30a1\u30a4\u30c9\u30ca\u30b7\u30e7\u30ca\u30eb\u306d\u3058\u30d5\u30a1\u30df\u30ea\u30fc\u306e\u4e3b\u8981\u306a2\u30b7\u30ea\u30fc\u30ba\u306e\u3046\u3061\u306e1\u3064\u3067\u3001\u756a\u53f7\u30b5\u30a4\u30ba\u306f#0\u304b\u3089#12\u307e\u3067\u3001\u5206\u6570\u30b5\u30a4\u30ba\u306f1\/4\u30a4\u30f3\u30c1\u304b\u30891-1\/2\u30a4\u30f3\u30c1\u4ee5\u4e0a\u307e\u3067\u3092\u30ab\u30d0\u30fc\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u306d\u3058\u306e\u5f62\u72b6\u306860\u00b0\u89d2\u5ea6<\/h3>\n<p>\u3059\u3079\u3066\u306eUNF\u306d\u3058\u306f\u3001\u306d\u3058\u5c71\u306e\u5074\u9762\u9593\u306b60\u00b0\u306e\u5305\u542b\u89d2\u3092\u6301\u3061\u307e\u3059\u3002\u3053\u306e\u5f62\u72b6\u304c\u3001\u304b\u307f\u5408\u3046\u306d\u3058\u306e\u529b\u306e\u5206\u5e03\u3092\u5b9a\u7fa9\u3057\u3001\u30c8\u30eb\u30af\u304c\u7de0\u7d50\u8377\u91cd\u306b\u5909\u63db\u3055\u308c\u308b\u65b9\u6cd5\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002\u4e3b\u306a\u5e7e\u4f55\u5b66\u7684\u30d1\u30e9\u30e1\u30fc\u30bf\uff1a<\/p>\n<ul>\n<li><strong>\u306d\u3058\u89d2\u5ea6\uff1a<\/strong> 60\u00b0\u5305\u542b\uff08\u5782\u76f4\u304b\u3089\u5404\u5074\u976230\u00b0\uff09<\/li>\n<li><strong>\u306d\u3058\u5f62\u72b6\uff1a<\/strong> \u5916\u306d\u3058\u306f\u5e73\u3089\u306a\u5c71\u3001\u5185\u306d\u3058\u306f\u4e38\u307f\u307e\u305f\u306f\u5e73\u3089\u306a\u8c37<\/li>\n<li><strong>\u30d4\u30c3\u30c1\uff08P\uff09\uff1a<\/strong> \u96a3\u63a5\u3059\u308b\u306d\u3058\u5c71\u306e\u9593\u9694\u2014\u30a4\u30f3\u30c1\u5358\u4f4d\u30671\/TPI\u3068\u3057\u3066\u8868\u73fe<\/li>\n<li><strong>\u30ea\u30fc\u30c9\uff1a<\/strong> \u5358\u4e00\u30b9\u30bf\u30fc\u30c8\u306d\u3058\u306e\u5834\u5408\u306f\u30d4\u30c3\u30c1\u3068\u7b49\u3057\u3044\u20141\u56de\u8ee2\u3042\u305f\u308a\u306e\u76f4\u7dda\u7684\u306a\u9032\u307f\u91cf<\/li>\n<li><strong>\u5916\u5f84\uff1a<\/strong> \u6700\u5916\u5f84\uff08\u516c\u79f0\u30b5\u30a4\u30ba\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u308b\uff09<\/li>\n<li><strong>\u6700\u5c0f\uff08\u6839\uff09\u5f84\uff1a<\/strong> \u6700\u5185\u5f84 \u2014 \u30bf\u30c3\u30d7\u30c9\u30ea\u30eb\u30b5\u30a4\u30ba\u9078\u5b9a\u306b\u91cd\u8981<\/li>\n<li><strong>\u30d4\u30c3\u30c1\u5f84\uff1a<\/strong> \u306d\u3058\u306e\u539a\u307f\u3068\u306d\u3058\u9593\u306e\u9699\u9593\u304c\u7b49\u3057\u304f\u306a\u308b\u4eee\u60f3\u306e\u5f84<\/li>\n<\/ul>\n<p>UNC\u3068\u6bd4\u8f03\u3057\u3066\u3001\u7d30\u76ee\u306d\u3058\u306f\u30d4\u30c3\u30c1\u5024\u304c\u5c0f\u3055\u304f\u3001\u540c\u3058\u7de0\u4ed8\u3051\u9577\u3055\u3067\u3088\u308a\u591a\u304f\u306e\u306d\u3058\u5c71\u304c\u304b\u307f\u5408\u3044\u307e\u3059\u3002\u305d\u306e\u5897\u52a0\u3057\u305f\u8868\u9762\u63a5\u89e6\u306b\u3088\u308a\u3001UNF\u306d\u3058\u306e\u30d5\u30a1\u30b9\u30ca\u30fc\u306f\u540c\u6761\u4ef6\u4e0b\u3067\u540c\u7b49\u306eUNC\u30d5\u30a1\u30b9\u30ca\u30fc\u3088\u308a\u3082\u632f\u52d5\u306b\u3088\u308b\u7de9\u307f\u3092\u9632\u304e\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>UNF\u306d\u3058\u306e\u8868\u793a\u65b9\u6cd5\u306e\u8aad\u307f\u65b9<\/h3>\n<p>\u5b8c\u5168\u306aUNF\u306d\u3058\u306e\u547c\u3073\u65b9\u306f\u3001\u4ee5\u4e0b\u306e\u6a19\u6e96\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u5f93\u3044\u307e\u3059\uff1a<\/p>\n<p><strong>\u516c\u79f0\u30b5\u30a4\u30ba \u2014 TPI \u306d\u3058\u898f\u683c \u2014 \u30af\u30e9\u30b9<\/strong><\/p>\n<p>\u4f8b\uff1a <code>1\/4-28 UNF-2A<\/code><\/p>\n<p>\u5185\u8a33\uff1a<br \/>\n&#8211; <strong>1\/4<\/strong> \u2014 \u516c\u79f0\u5927\u5f84\uff080.250\u30a4\u30f3\u30c1\uff09<br \/>\n&#8211; <strong>28<\/strong> \u2014 1\u30a4\u30f3\u30c1\u3042\u305f\u308a\u306e\u306d\u3058\u6570\uff08TPI\uff09<br \/>\n&#8211; <strong>UNF<\/strong> \u2014 \u30e6\u30cb\u30d5\u30a1\u30a4\u7d30\u76ee\u898f\u683c<br \/>\n&#8211; <strong>2A<\/strong> \u2014 \u306d\u3058\u30af\u30e9\u30b9\uff08A\uff1d\u5916\u306d\u3058\uff0f\u30dc\u30eb\u30c8\u306d\u3058\u30012\uff1d\u6a19\u6e96\u5de5\u5b66\u516c\u5dee\uff09<\/p>\n<p>1\/4\u30a4\u30f3\u30c1\u672a\u6e80\u306e\u756a\u53f7\u30b5\u30a4\u30ba\u306e\u5834\u5408\u3001\u516c\u79f0\u30b5\u30a4\u30ba\u306f\u756a\u53f7\uff08#0\uff5e#12\uff09\u3067\u8868\u3055\u308c\u307e\u3059\uff1a<\/p>\n<p><code>#10-32 UNF-2B<\/code><\/p>\n<p>\u3053\u3053\u3067\u306f\uff1a#10\uff1d\u516c\u79f0\u5927\u5f840.190\u30a4\u30f3\u30c1\u300132 TPI\u3001UNF\u898f\u683c\u3001\u30af\u30e9\u30b92B\uff08B\uff1d\u5185\u306d\u3058\uff0f\u30ca\u30c3\u30c8\u306d\u3058\uff09<\/p>\n<hr \/>\n<h2>UNF\u306d\u3058\u30b5\u30a4\u30ba\u3001\u5bf8\u6cd5\u3001\u5b8c\u5168\u30c1\u30e3\u30fc\u30c8<\/h2>\n<p><strong>UNF\u306d\u3058\u306f#0\uff080.060\u30a4\u30f3\u30c1\u300180 TPI\uff09\u304b\u30891-1\/2\u30a4\u30f3\u30c1\uff0812 TPI\uff09\u307e\u3067\u3042\u308a\u3001\u540c\u3058\u76f4\u5f84\u306eUNC\u30b5\u30a4\u30ba\u3088\u308a\u3082\u7d30\u304b\u3044\u30d4\u30c3\u30c1\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/strong><\/p>\n<p>\u4e0b\u8868\u306f\u3001\u30a4\u30f3\u30c1\u5bf8\u6cd5\u3068\u30e1\u30fc\u30c8\u30eb\u63db\u7b97\u5024\u306e\u4e21\u65b9\u3092\u542b\u3080\u3001\u3059\u3079\u3066\u306e\u4e00\u822c\u7684\u306a\u30b5\u30a4\u30ba\u3092\u7db2\u7f85\u3057\u305f\u5b8c\u5168\u306a\u6a19\u6e96UNF\u306d\u3058\u30c1\u30e3\u30fc\u30c8\u3067\u3059\u3002\u3053\u308c\u306f\u591a\u304f\u306e\u7af6\u5408\u4ed6\u793e\u304c\u7701\u7565\u3057\u3066\u3044\u308b\u90e8\u5206\u3092\u88dc\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><strong>\u88681\uff1aUNF\u306d\u3058\u5bf8\u6cd5 \u2014 \u5b8c\u5168\u30c1\u30e3\u30fc\u30c8\uff08\u30a4\u30f3\u30c1\u304a\u3088\u3073mm\uff09<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<th>\u540d\u76ee\u30b5\u30a4\u30ba<\/th>\n<th>\u5916\u5f84\uff08\u30a4\u30f3\u30c1\uff09<\/th>\n<th>TPI<\/th>\n<th>\u30d4\u30c3\u30c1\uff08\u30a4\u30f3\u30c1\uff09<\/th>\n<th>\u30d4\u30c3\u30c1\u5f84\uff08\u30a4\u30f3\u30c1\uff09<\/th>\n<th>\u5c0f\u5f84\uff08\u5916\u5074\uff09\uff08\u30a4\u30f3\u30c1\uff09<\/th>\n<th>\u30d4\u30c3\u30c1\uff08mm\uff09<\/th>\n<th>\u5916\u5f84\uff08mm\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>#0<\/td>\n<td>0.0600<\/td>\n<td>80<\/td>\n<td>0.01250<\/td>\n<td>0.0519<\/td>\n<td>0.0438<\/td>\n<td>0.318<\/td>\n<td>1.524<\/td>\n<\/tr>\n<tr>\n<td>#1<\/td>\n<td>0.0730<\/td>\n<td>72<\/td>\n<td>0.01389<\/td>\n<td>0.0640<\/td>\n<td>0.0550<\/td>\n<td>0.353<\/td>\n<td>1.854<\/td>\n<\/tr>\n<tr>\n<td>#2<\/td>\n<td>0.0860<\/td>\n<td>64<\/td>\n<td>0.01563<\/td>\n<td>0.0759<\/td>\n<td>0.0657<\/td>\n<td>0.397<\/td>\n<td>2.184<\/td>\n<\/tr>\n<tr>\n<td>#3<\/td>\n<td>0.0990<\/td>\n<td>56<\/td>\n<td>0.01786<\/td>\n<td>0.0874<\/td>\n<td>0.0758<\/td>\n<td>0.454<\/td>\n<td>2.515<\/td>\n<\/tr>\n<tr>\n<td>#4<\/td>\n<td>0.1120<\/td>\n<td>48<\/td>\n<td>0.02083<\/td>\n<td>0.0985<\/td>\n<td>0.0849<\/td>\n<td>0.529<\/td>\n<td>2.845<\/td>\n<\/tr>\n<tr>\n<td>#5<\/td>\n<td>0.1250<\/td>\n<td>44<\/td>\n<td>0.02273<\/td>\n<td>0.1102<\/td>\n<td>0.0955<\/td>\n<td>0.577<\/td>\n<td>3.175<\/td>\n<\/tr>\n<tr>\n<td>#6<\/td>\n<td>0.1380<\/td>\n<td>40<\/td>\n<td>0.02500<\/td>\n<td>0.1218<\/td>\n<td>0.1055<\/td>\n<td>0.635<\/td>\n<td>3.505<\/td>\n<\/tr>\n<tr>\n<td>#8<\/td>\n<td>0.1640<\/td>\n<td>36<\/td>\n<td>0.02778<\/td>\n<td>0.1460<\/td>\n<td>0.1279<\/td>\n<td>0.706<\/td>\n<td>4.166<\/td>\n<\/tr>\n<tr>\n<td>#10<\/td>\n<td>0.1900<\/td>\n<td>32<\/td>\n<td>0.03125<\/td>\n<td>0.1697<\/td>\n<td>0.1494<\/td>\n<td>0.794<\/td>\n<td>4.826<\/td>\n<\/tr>\n<tr>\n<td>#12<\/td>\n<td>0.2160<\/td>\n<td>28<\/td>\n<td>0.03571<\/td>\n<td>0.1928<\/td>\n<td>0.1696<\/td>\n<td>0.907<\/td>\n<td>5.486<\/td>\n<\/tr>\n<tr>\n<td>1\/4<\/td>\n<td>0.2500<\/td>\n<td>28<\/td>\n<td>0.03571<\/td>\n<td>0.2268<\/td>\n<td>0.2036<\/td>\n<td>0.907<\/td>\n<td>6.350<\/td>\n<\/tr>\n<tr>\n<td>5\/16<\/td>\n<td>0.3125<\/td>\n<td>24<\/td>\n<td>0.04167<\/td>\n<td>0.2854<\/td>\n<td>0.2584<\/td>\n<td>1.058<\/td>\n<td>7.938<\/td>\n<\/tr>\n<tr>\n<td>3\/8<\/td>\n<td>0.3750<\/td>\n<td>24<\/td>\n<td>0.04167<\/td>\n<td>0.3479<\/td>\n<td>0.3209<\/td>\n<td>1.058<\/td>\n<td>9.525<\/td>\n<\/tr>\n<tr>\n<td>7\/16<\/td>\n<td>0.4375<\/td>\n<td>20<\/td>\n<td>0.05000<\/td>\n<td>0.4050<\/td>\n<td>0.3726<\/td>\n<td>1.270<\/td>\n<td>11.113<\/td>\n<\/tr>\n<tr>\n<td>1\/2<\/td>\n<td>0.5000<\/td>\n<td>20<\/td>\n<td>0.05000<\/td>\n<td>0.4675<\/td>\n<td>0.4351<\/td>\n<td>1.270<\/td>\n<td>12.700<\/td>\n<\/tr>\n<tr>\n<td>9\/16<\/td>\n<td>0.5625<\/td>\n<td>18<\/td>\n<td>0.05556<\/td>\n<td>0.5264<\/td>\n<td>0.4903<\/td>\n<td>1.411<\/td>\n<td>14.288<\/td>\n<\/tr>\n<tr>\n<td>5\/8<\/td>\n<td>0.6250<\/td>\n<td>18<\/td>\n<td>0.05556<\/td>\n<td>0.5889<\/td>\n<td>0.5528<\/td>\n<td>1.411<\/td>\n<td>15.875<\/td>\n<\/tr>\n<tr>\n<td>3\/4<\/td>\n<td>0.7500<\/td>\n<td>16<\/td>\n<td>0.06250<\/td>\n<td>0.7094<\/td>\n<td>0.6688<\/td>\n<td>1.588<\/td>\n<td>19.050<\/td>\n<\/tr>\n<tr>\n<td>7\/8<\/td>\n<td>0.8750<\/td>\n<td>14<\/td>\n<td>0.07143<\/td>\n<td>0.8286<\/td>\n<td>0.7822<\/td>\n<td>1.814<\/td>\n<td>22.225<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>1.0000<\/td>\n<td>12<\/td>\n<td>0.08333<\/td>\n<td>0.9459<\/td>\n<td>0.8917<\/td>\n<td>2.117<\/td>\n<td>25.400<\/td>\n<\/tr>\n<tr>\n<td>1-1\/8<\/td>\n<td>1.1250<\/td>\n<td>12<\/td>\n<td>0.08333<\/td>\n<td>1.0709<\/td>\n<td>1.0167<\/td>\n<td>2.117<\/td>\n<td>28.575<\/td>\n<\/tr>\n<tr>\n<td>1-1\/4<\/td>\n<td>1.2500<\/td>\n<td>12<\/td>\n<td>0.08333<\/td>\n<td>1.1959<\/td>\n<td>1.1417<\/td>\n<td>2.117<\/td>\n<td>31.750<\/td>\n<\/tr>\n<tr>\n<td>1-3\/8<\/td>\n<td>1.3750<\/td>\n<td>12<\/td>\n<td>0.08333<\/td>\n<td>1.3209<\/td>\n<td>1.2667<\/td>\n<td>2.117<\/td>\n<td>34.925<\/td>\n<\/tr>\n<tr>\n<td>1-1\/2<\/td>\n<td>1.5000<\/td>\n<td>12<\/td>\n<td>0.08333<\/td>\n<td>1.4459<\/td>\n<td>1.3917<\/td>\n<td>2.117<\/td>\n<td>38.100<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>\u5bf8\u6cd5\u306fANSI\/ASME B1.1\u7d71\u4e00\u30a4\u30f3\u30c1\u306d\u3058\u898f\u683c\u306b\u57fa\u3065\u304d\u307e\u3059\u3002<\/em><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/02-types-6.png\" alt=\"UNF\u306d\u3058\u2014\u7a2e\u985e\u3068\u30b5\u30a4\u30ba\u306e\u30a4\u30e9\u30b9\u30c8\u3067\u3001UNF\u7d30\u76ee\u306d\u3058\u3068UNC\u7c97\u76ee\u306d\u3058\u306e\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u6bd4\u8f03\u56f3\u3092\u8868\u793a\" \/><\/p>\n<h3>UNF\u306d\u3058\u30b5\u30a4\u30ba\u306emm\u63db\u7b97\uff1a\u5909\u63db\u5f0f<\/h3>\n<p>\u56fd\u969b\u8abf\u9054\u306e\u969b\u3001\u8cfc\u5165\u8005\u306fUNF\u306d\u3058\u30b5\u30a4\u30ba\u306e\u30e1\u30fc\u30c8\u30eb\u63db\u7b97\u5024\u3092\u3088\u304f\u6c42\u3081\u307e\u3059\u3002ISO\u30e1\u30fc\u30c8\u30eb\u306d\u3058\u306e\u76f4\u63a5\u7684\u306a\u4ee3\u66ff\u54c1\u306f\u3042\u308a\u307e\u305b\u3093 \u2014 60\u00b0\u89d2\u5ea6\u3068\u30a4\u30f3\u30c1TPI\u65b9\u5f0f\u306fISO\u30e1\u30fc\u30c8\u30eb\u306d\u3058\u3068\u306f\u7570\u306a\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u6b21\u306e\u3088\u3046\u306b\u63db\u7b97\u3067\u304d\u307e\u3059\uff1a<\/p>\n<ul>\n<li><strong>\u30d4\u30c3\u30c1\uff08mm\uff09<\/strong> = 25.4 \u00f7 TPI<\/li>\n<li><strong>\u5916\u5f84\uff08mm\uff09<\/strong> = \u540d\u76ee\u30a4\u30f3\u30c1\u30b5\u30a4\u30ba \u00d7 25.4<\/li>\n<\/ul>\n<p>\u4f8b \u2014 1\/4-28 UNF\uff1a<br \/>\n\u2013 \u30d4\u30c3\u30c1 = 25.4 \u00f7 28 = <strong>0.907 mm<\/strong><br \/>\n\u2013 \u5916\u5f84 = 0.250 \u00d7 25.4 = <strong>6.35 mm<\/strong><\/p>\n<p>\u6700\u3082\u8fd1\u3044ISO\u30e1\u30fc\u30c8\u30eb\u306d\u3058\u306fM6\u00d71.0\u3067\u3059\u3002\u5bf8\u6cd5\u306f\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001 <strong>\u3053\u308c\u3089\u306f\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u305b\u3093<\/strong>\uff1a\u30d4\u30c3\u30c1\u5f84\u3068\u5c0f\u5f84\u304c\u7570\u306a\u308a\u307e\u3059\u3002\u898f\u683c\u3092\u6df7\u7528\u3059\u308b\u524d\u306b\u3001\u5fc5\u305a\u6821\u6b63\u6e08\u307f\u306e\u306d\u3058\u30b2\u30fc\u30b8\u3067\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>UNF\u306d\u3058\u7528\u30bf\u30c3\u30d7\u4e0b\u7a74\u30b5\u30a4\u30ba<\/h3>\n<p>UNF\u306d\u3058\u306e\u5185\u306d\u3058\u52a0\u5de5\u306b\u306f\u3001\u30bf\u30c3\u30d7\u4e0b\u7a74\u5f84\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n<p><strong>\u30bf\u30c3\u30d7\u4e0b\u7a74\u5f84 = \u5916\u5f84 \u2212 \u30d4\u30c3\u30c1\uff08\u7d0475\uff05\u306d\u3058\u5c71\u304b\u307f\u5408\u3044\u306e\u5834\u5408\uff09<\/strong><\/p>\n<ul>\n<li>1\/4-28 UNF: 0.250 \u2212 0.036 = 0.214\u30a4\u30f3\u30c1 \u2192 #3\u30c9\u30ea\u30eb\uff080.2130\u30a4\u30f3\u30c1\uff09\u3092\u4f7f\u7528<\/li>\n<li>5\/16-24 UNF: 0.3125 \u2212 0.042 = 0.271\u30a4\u30f3\u30c1 \u2192 I\u30c9\u30ea\u30eb\uff080.2720\u30a4\u30f3\u30c1\uff09\u3092\u4f7f\u7528<\/li>\n<li>3\/8-24 UNF: 0.3750 \u2212 0.042 = 0.333\u30a4\u30f3\u30c1 \u2192 Q\u30c9\u30ea\u30eb\uff080.3320\u30a4\u30f3\u30c1\uff09\u3092\u4f7f\u7528<\/li>\n<li>1\/2-20 UNF: 0.5000 \u2212 0.050 = 0.450\u30a4\u30f3\u30c1 \u2192 29\/64\u30c9\u30ea\u30eb\uff080.4531\u30a4\u30f3\u30c1\uff09\u3092\u4f7f\u7528<\/li>\n<\/ul>\n<blockquote><p><strong>\u5b9f\u969b\u306b\u306f\u300175\uff05\u306e\u304b\u307f\u5408\u3044\u304c\u307b\u3068\u3093\u3069\u306e\u69cb\u9020\u7528\u92fc\u6750\u306b\u6700\u9069\u3067\u3042\u308b\u3053\u3068\u304c\u5206\u304b\u3063\u3066\u3044\u307e\u3059\u3002\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u3084\u8edf\u8cea\u5408\u91d1\u306e\u5834\u5408\u306f\u300165\u301c70\uff05\u306e\u304b\u307f\u5408\u3044\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u30bf\u30c3\u30d7\u306e\u7834\u640d\u30ea\u30b9\u30af\u3092\u4f4e\u6e1b\u3057\u3064\u3064\u3001\u5341\u5206\u306a\u5f15\u304d\u629c\u304d\u5f37\u5ea6\u3092\u7dad\u6301\u3067\u304d\u307e\u3059\u3002<\/strong><\/p><\/blockquote>\n<hr \/>\n<h2>UNF\u306d\u3058\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u7523\u696d\u7528\u9014<\/h2>\n<p><strong>UNF\u306d\u3058\u306f\u3001\u632f\u52d5\u8010\u6027\u3001\u7cbe\u5bc6\u306a\u7de0\u4ed8\u3051\u529b\u3001\u307e\u305f\u306f\u8584\u8089\u5f62\u72b6\u304c\u7c97\u306d\u3058\u3067\u306f\u4e0d\u5341\u5206\u306a\u5834\u5408\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u4e3b\u306b\u822a\u7a7a\u5b87\u5b99\u3001\u81ea\u52d5\u8eca\u9ad8\u6027\u80fd\u3001\u9283\u5668\u3001\u7cbe\u5bc6\u6a5f\u5668\u5206\u91ce\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/strong><\/p>\n<h3>\u822a\u7a7a\u5b87\u5b99\u304a\u3088\u3073\u9632\u885b<\/h3>\n<p>\u822a\u7a7a\u5b87\u5b99\u5206\u91ce\u306f\u3001UNF\u306d\u3058\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u6700\u5927\u306e\u6d88\u8cbb\u5206\u91ce\u3067\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u6a5f\u4f53\u69cb\u9020\u7528\u30dc\u30eb\u30c8\uff08AN\u30dc\u30eb\u30c8\uff08\u822a\u7a7a\u898f\u683c\uff09\u304b\u3089MS\u30dc\u30eb\u30c8\uff08\u8ecd\u7528\u898f\u683c\uff09\u307e\u3067\uff09\u306fUNF\u306d\u3058\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u7406\u7531\u306f\u3001\u822a\u7a7a\u6a5f\u306f\u4f55\u767e\u4e07\u56de\u3082\u306e\u632f\u52d5\u30b5\u30a4\u30af\u30eb\u3092\u53d7\u3051\u308b\u305f\u3081\u3001\u7d30\u76ee\u306d\u3058\u306f\u5168\u3066\u306e\u30d5\u30a1\u30b9\u30ca\u30fc\u306b\u30ed\u30c3\u30af\u30ef\u30a4\u30e4\u30fc\u3092\u5fc5\u8981\u3068\u305b\u305a\u306b\u81ea\u5df1\u7de9\u307f\u3092\u9632\u6b62\u3067\u304d\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n<p>\u7d30\u76ee\u306d\u3058 <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=\"941\">\u30d5\u30a1\u30b9\u30ca\u30fc\u306f\u540c\u3058\u30c8\u30eb\u30af\u3092\u304b\u3051\u305f\u5834\u5408\u3001\u3088\u308a\u9ad8\u3044\u7de0\u4ed8\u529b\u3092\u751f\u307f\u51fa\u3057\u307e\u3059<\/a>\u3002\u7d30\u304b\u3044\u30d8\u30ea\u30ab\u30eb\u30d4\u30c3\u30c1\u306f\u30c8\u30eb\u30af\u3092\u76f4\u7dda\u904b\u52d5\u306b\u5909\u63db\u3057\u3001 <a href=\"https:\/\/productionscrews.com\/ja\/ultimate-guide-clamping-force-test-methods-for-engineering-success\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"946\">\u7de0\u4ed8\u3051\u529b<\/a> \u3088\u308a\u5927\u304d\u306a\u6a5f\u68b0\u7684\u512a\u4f4d\u6027\u3092\u6301\u3061\u307e\u3059\u2014\u69cb\u9020\u7528\u30dc\u30eb\u30c8\u304c\u8907\u5408\u30b5\u30f3\u30c9\u30a4\u30c3\u30c1\u30d1\u30cd\u30eb\u3092\u6f70\u3055\u305a\u306b\u7de0\u3081\u4ed8\u3051\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306b\u95a2\u9023\u3057\u307e\u3059\u3002<\/p>\n<p>\u4ee3\u8868\u7684\u306a\u822a\u7a7a\u5b87\u5b99\u5206\u91ce\u306eUNF\u306d\u3058\u7528\u9014\uff1a<br \/>\n&#8211; <strong>\u6a5f\u4f53\u69cb\u9020\u7528\u30dc\u30eb\u30c8\uff1a<\/strong> AN3\uff08#10-32 UNF\uff09\u304b\u3089AN20\uff083\/4-16 UNF\uff09\u307e\u3067<br \/>\n&#8211; <strong>\u30a8\u30f3\u30b8\u30f3\u30de\u30a6\u30f3\u30c8\u304a\u3088\u3073\u30a2\u30af\u30bb\u30b5\u30ea\u30fc\u30d6\u30e9\u30b1\u30c3\u30c8\uff1a<\/strong> 5\/16-24 UNF\u304b\u30891\/2-20 UNF\u3078<br \/>\n&#8211; <strong>\u30a2\u30d3\u30aa\u30cb\u30af\u30b9\u8a08\u5668\u30d1\u30cd\u30eb\u7528\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\uff1a<\/strong> #4-48 UNF\u3001#6-40 UNF\uff08\u5c0f\u5f84\u30fb\u9ad8\u7cbe\u5ea6\uff09<br \/>\n&#8211; <strong>\u30d8\u30ea\u30b3\u30d7\u30bf\u30fc\u306e\u30ed\u30fc\u30bf\u30fc\u30b7\u30b9\u30c6\u30e0\u7528\u30d5\u30a1\u30b9\u30ca\u30fc\uff1a<\/strong> 7\/16-20 UNF\u30011\/2-20 UNF \u2014 \u632f\u52d5\u5bfe\u7b56\u304c\u91cd\u8981<\/p>\n<h3>\u81ea\u52d5\u8eca\u304a\u3088\u3073\u9ad8\u6027\u80fd\u30ec\u30fc\u30b7\u30f3\u30b0<\/h3>\n<p>\u9ad8\u6027\u80fd\u81ea\u52d5\u8eca\u7528\u9014\u3067\u306f\u3001\u5b89\u5168\u6027\u304c\u91cd\u8981\u306a\u90e8\u54c1\u306bUNC\u3088\u308aUNF\u306d\u3058\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u9ad8\u6027\u80fd\u30a8\u30f3\u30b8\u30f3\u306e\u30b3\u30f3\u30ed\u30c3\u30c9\u30dc\u30eb\u30c8\u306f\u3001\u7d30\u304b\u3044\u30d4\u30c3\u30c1\u306b\u3088\u308a\u30c8\u30eb\u30af\u3068\u4f38\u3073\u306e\u7ba1\u7406\u304c\u53b3\u5bc6\u306b\u3067\u304d\u308b\u305f\u3081\u3001UNF\u304c\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30ed\u30c3\u30c9\u30dc\u30eb\u30c8\u3092\u964d\u4f0f\u70b9\u306e5%\u4ee5\u5185\u3067\u6700\u5927\u9650\u306b\u8377\u91cd\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n<p>\u30e2\u30fc\u30bf\u30fc\u30b9\u30dd\u30fc\u30c4\u7528\u9014\u3067\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308bUNF\u306d\u3058\uff1a<br \/>\n&#8211; <strong>\u30b3\u30f3\u30ed\u30c3\u30c9\u30dc\u30eb\u30c8\uff1a<\/strong> #10-32 UNF\u304b\u30897\/16-20 UNF\u307e\u3067<br \/>\n&#8211; <strong>\u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u30b9\u30bf\u30c3\u30c9\uff08\u9ad8\u6027\u80fd\u30a8\u30f3\u30b8\u30f3\u306e\u4e00\u90e8\uff09\uff1a<\/strong> 7\/16-20 UNF\u30011\/2-20 UNF<br \/>\n&#8211; <strong>\u30b5\u30b9\u30da\u30f3\u30b7\u30e7\u30f3\u30ea\u30f3\u30af\u306e\u30ed\u30c3\u30c9\u30a8\u30f3\u30c9\uff0f\u30cf\u30a4\u30e0\u30b8\u30e7\u30a4\u30f3\u30c8\uff1a<\/strong> 1\/4-28 UNF\u304b\u30895\/8-18 UNF\u307e\u3067<br \/>\n&#8211; <strong>\u30ec\u30fc\u30b7\u30f3\u30b0\u7528\u30d6\u30ec\u30fc\u30ad\u30ad\u30e3\u30ea\u30d1\u30fc\u53d6\u4ed8\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\uff1a<\/strong> 3\/8-24 UNF\u30017\/16-20 UNF<\/p>\n<p>\u4e16\u754c\u306e <a href=\"https:\/\/productionscrews.com\/ja\/vehicle-threads\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"945\">\u81ea\u52d5\u8eca\u7528\u30d5\u30a1\u30b9\u30ca\u30fc<\/a> \u5e02\u5834\u3060\u3051\u3067\u30822024\u5e74\u306b$22\u5104\u5186\u4ee5\u4e0a\u306e\u4fa1\u5024\u304c\u3042\u308a\u3001\u7d30\u76ee\u306d\u3058\u306e\u7279\u6b8a\u30d5\u30a1\u30b9\u30ca\u30fc\u306f\u96fb\u52d5\u5316\u3084\u8efd\u91cf\u5316\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u9032\u5c55\u306b\u3088\u308a\u3001\u9ad8\u5f37\u5ea6\u30fb\u5c0f\u5f84\u30dc\u30eb\u30c8\u306e\u9700\u8981\u5897\u52a0\u3068\u3068\u3082\u306b\u6a19\u6e96\u90e8\u54c1\u3088\u308a\u901f\u304f\u6210\u9577\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u9283\u5668\u304a\u3088\u3073\u7cbe\u5bc6\u6a5f\u5668<\/h3>\n<p>\u9283\u5668\u696d\u754c\u3067\u306f\u3001\u30de\u30ba\u30eb\u30c7\u30d0\u30a4\u30b9\u7528\u306e\u7279\u5b9a\u306eUNF\u306d\u3058\u30b5\u30a4\u30ba\u304c\u6a19\u6e96\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6700\u3082\u4e00\u822c\u7684\u306a\u30de\u30ba\u30eb\u306d\u3058\u4ed5\u69d8\u306f2\u3064\u3042\u308a\u307e\u3059\u2014 <strong>1\/2-28 UNF<\/strong> \uff085.56mm\uff0f.223\u53e3\u5f84\uff09\u304a\u3088\u3073 <strong>5\/8-24 UNF<\/strong> \uff08.30\u53e3\u5f84\uff09\u2014 \u8a2d\u8a08\u4e0a\u7d30\u76ee\u306d\u3058\u3067\u3042\u308a\u3001\u5404\u30e1\u30fc\u30ab\u30fc\u9593\u3067\u30de\u30ba\u30eb\u30d6\u30ec\u30fc\u30ad\u3084\u30b5\u30d7\u30ec\u30c3\u30b5\u30fc\u306e\u7cbe\u5bc6\u306a\u4f4d\u7f6e\u5408\u308f\u305b\u3068\u3057\u3063\u304b\u308a\u3068\u3057\u305f\u53d6\u308a\u4ed8\u3051\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/p>\n<p>\u7cbe\u5bc6\u6a5f\u5668\u306f\u540c\u69d8\u306e\u7406\u7531\u3067UNF\u306d\u3058\u3092\u4f7f\u7528\u3057\u307e\u3059\uff1a<br \/>\n&#8211; <strong>\u5149\u5b66\u30de\u30a6\u30f3\u30c8\u304a\u3088\u3073\u30c9\u30d6\u30c6\u30fc\u30eb\u8abf\u6574\u5668\uff1a<\/strong> \u7d30\u304b\u3044\u30d4\u30c3\u30c1\u306b\u3088\u308a\u30011\u56de\u8ee2\u3054\u3068\u306b\u7cbe\u5bc6\u306a\u76f4\u7dda\u8abf\u6574\u304c\u53ef\u80fd<br \/>\n&#8211; <strong>\u30de\u30a4\u30af\u30ed\u30e1\u30fc\u30bf\u30fc\u304a\u3088\u3073\u30ce\u30ae\u30b9\u306e\u8abf\u6574\u306d\u3058\uff1a<\/strong> #0-80 UNF\u304b\u3089#10-32 UNF\u307e\u3067<br \/>\n&#8211; <strong>\u5b9f\u9a13\u6a5f\u5668\u304a\u3088\u3073\u5206\u6790\u6a5f\u5668\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\uff1a<\/strong> \u9ad8\u3044\u518d\u73fe\u6027\u3001\u8377\u91cd\u4e0b\u3067\u306e\u904a\u3073\u304c\u6700\u5c0f\u9650<\/p>\n<hr \/>\n<h2>UNF vs UNC vs BSP vs NPT\uff1a\u5b9f\u969b\u306b\u5fc5\u8981\u306a\u306d\u3058\u898f\u683c\u306f\u3069\u308c\uff1f<\/h2>\n<p><strong>UNF\u306f\u8010\u632f\u52d5\u6027\u3001\u7cbe\u5ea6\u3001\u8584\u8089\u7d44\u7acb\u7528\u306b\u9078\u629e\uff1bUNC\u306f\u8fc5\u901f\u306a\u7d44\u7acb\u3068\u8010\u98df\u6027\u7528\uff1bBSP\u306f\u65e5\u672c\uff0f\u30e8\u30fc\u30ed\u30c3\u30d1\u306e\u6cb9\u5727\u30fb\u6d41\u4f53\u7d99\u624b\u7528\uff1bNPT\u306f\u65e5\u672c\u306e\u914d\u7ba1\u30fb\u7a7a\u6c17\u5727\u6a5f\u5668\u306e\u30c6\u30fc\u30d1\u30fc\u30d1\u30a4\u30d7\u30b7\u30fc\u30eb\u7528\u3002<\/strong><\/p>\n<p>\u3053\u306e\u6bd4\u8f03\u306b\u3088\u308a\u3001\u6700\u3082\u4e00\u822c\u7684\u306a\u4ed5\u69d8\u30df\u30b9\u3092\u6392\u9664\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><strong>\u88682\uff1a\u306d\u3058\u898f\u683c\u6bd4\u8f03 \u2014 UNF vs UNC vs BSP vs NPT<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<th>\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9<\/th>\n<th>\u89d2\u5ea6<\/th>\n<th>\u30b7\u30b9\u30c6\u30e0<\/th>\n<th>\u30d4\u30c3\u30c1\u57fa\u6e96<\/th>\n<th>\u81ea\u5df1\u30b7\u30fc\u30eb\u6027<\/th>\n<th>\u4e3b\u306a\u7528\u9014<\/th>\n<th>\u4e92\u63db\u6027\u3042\u308a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>UNF<\/strong><\/td>\n<td>60\u00b0<\/td>\n<td>\u30a4\u30f3\u30c1<\/td>\n<td>\u306d\u3058\u5c71\u6570\uff0f\u30a4\u30f3\u30c1\uff08\u7d30\u76ee\uff09<\/td>\n<td>\u3044\u3044\u3048<\/td>\n<td>\u822a\u7a7a\u5b87\u5b99\u3001\u7cbe\u5bc6\u3001\u8010\u632f\u52d5<\/td>\n<td>UNC\uff08\u540c\u3058\u89d2\u5ea6\u30fb\u7570\u306a\u308bTPI\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>UNC<\/strong><\/td>\n<td>60\u00b0<\/td>\n<td>\u30a4\u30f3\u30c1<\/td>\n<td>\u306d\u3058\/\u30a4\u30f3\u30c1\uff08\u7c97\u3044\uff09<\/td>\n<td>\u3044\u3044\u3048<\/td>\n<td>\u4e00\u822c\u5de5\u5b66\u3001\u5efa\u8a2d<\/td>\n<td>UNF\uff08\u540c\u3058\u89d2\u5ea6\u30fb\u7570\u306a\u308bTPI\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>BSP\uff08BSPP\uff09<\/strong><\/td>\n<td>55\u00b0<\/td>\n<td>\u30a4\u30f3\u30c1<\/td>\n<td>\u306d\u3058\/\u30a4\u30f3\u30c1<\/td>\n<td>\u3044\u3044\u3048\uff08\u5e73\u884c\uff09<\/td>\n<td>\u65e5\u672c\/\u6b27\u5dde\u306e\u6cb9\u5727\u30fb\u914d\u7ba1<\/td>\n<td>BSPT\uff08\u540c\u3058\u30d4\u30c3\u30c1\u30fb\u30c6\u30fc\u30d1\u30fc\u3068\u5e73\u884c\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>BSPT<\/strong><\/td>\n<td>55\u00b0<\/td>\n<td>\u30a4\u30f3\u30c1<\/td>\n<td>\u306d\u3058\/\u30a4\u30f3\u30c1<\/td>\n<td>\u306f\u3044\uff08\u30c6\u30fc\u30d1\u30fc\uff09<\/td>\n<td>\u65e5\u672c\u306e\u30c6\u30fc\u30d1\u30fc\u914d\u7ba1\u63a5\u5408<\/td>\n<td>BSPP\uff08\u30b7\u30fc\u30e9\u30f3\u30c8\u4f7f\u7528\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>NPT<\/strong><\/td>\n<td>60\u00b0<\/td>\n<td>\u30a4\u30f3\u30c1<\/td>\n<td>\u306d\u3058\/\u30a4\u30f3\u30c1<\/td>\n<td>\u306f\u3044\uff08\u30c6\u30fc\u30d1\u30fc\uff09<\/td>\n<td>\u65e5\u672c\u306e\u914d\u7ba1\u30fb\u7a7a\u6c17\u5727<\/td>\n<td>NPSM\uff08\u5e73\u884c\u30fb\u9650\u5b9a\u7684\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>ISO\u30e1\u30c8\u30ea\u30c3\u30af<\/strong><\/td>\n<td>60\u00b0<\/td>\n<td>\u30e1\u30c8\u30ea\u30c3\u30af<\/td>\n<td>mm\u30d4\u30c3\u30c1<\/td>\n<td>\u3044\u3044\u3048<\/td>\n<td>\u56fd\u969b\u5de5\u5b66<\/td>\n<td>\u4e0a\u8a18\u306e\u3044\u305a\u308c\u3067\u3082\u306a\u3044<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>UNF\u5bfeUNC\uff1a\u5b9f\u969b\u306e\u9078\u629e<\/h3>\n<p>\u5b9f\u969b\u306b\u306f\u3001UNC\u3067\u5341\u5206\u306a\u5834\u5408\u3067\u3082\u30a8\u30f3\u30b8\u30cb\u30a2\u304cUNF\u3092\u904e\u5270\u306b\u6307\u5b9a\u3057\u305f\u308a\u3001\u9006\u306b\u632f\u52d5\u304c\u3042\u308b\u5834\u5408\u306b\u7d30\u76ee\u306d\u3058\u304c\u5fc5\u8981\u306a\u306e\u306b\u904e\u5c0f\u306b\u6307\u5b9a\u3057\u3066\u3057\u307e\u3046\u3001\u3088\u308a\u5371\u967a\u306a\u30b1\u30fc\u30b9\u3082\u898b\u3089\u308c\u307e\u3059\u3002<\/p>\n<p><strong>UNF\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\uff1a<\/strong><br \/>\n\u2013 \u632f\u52d5\u304c\u3042\u308b\u5834\u5408\uff08\u56de\u8ee2\u6a5f\u68b0\u3001\u30a8\u30f3\u30b8\u30f3\u3001\u822a\u7a7a\u6a5f\u69cb\u9020\u306a\u3069\uff09<br \/>\n\u2013 \u63a5\u5408\u90e8\u3067\u30c8\u30eb\u30af\u3068\u30af\u30e9\u30f3\u30d7\u529b\u306e\u7cbe\u5bc6\u306a\u5236\u5fa1\u304c\u5fc5\u8981\u306a\u5834\u5408<br \/>\n\u2013 \u58c1\u539a\u304c\u8584\u3044\u5834\u5408 \u2014 UNF\u306f\u5c0f\u5f84\u306e\u305f\u3081\u3001\u30bf\u30c3\u30d7\u52a0\u5de5\u6642\u306b\u9664\u53bb\u3055\u308c\u308b\u6750\u6599\u304c\u5c11\u306a\u3044<br \/>\n\u2013 \u30dc\u30eb\u30c8\u304c\u5b89\u5168\u4e0a\u91cd\u8981\u3067\u3001\u30ed\u30c3\u30af\u30ef\u30a4\u30e4\u30fc\u3084\u30bb\u30fc\u30d5\u30c6\u30a3\u30d4\u30f3\u3067\u56fa\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408<\/p>\n<p><strong>UNC\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\uff1a<\/strong><br \/>\n\u2013 \u7d44\u7acb\u983b\u5ea6\u304c\u9ad8\u3044\u3001\u307e\u305f\u306f\u73fe\u5834\u3067\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u304c\u591a\u3044\u5834\u5408\uff08UNC\u306f1\u30a4\u30f3\u30c1\u3042\u305f\u308a\u306e\u56de\u8ee2\u6570\u304c\u5c11\u306a\u3044\uff09<br \/>\n\u2013 \u6c5a\u67d3\u3084\u8150\u98df\u306e\u30ea\u30b9\u30af\u304c\u9ad8\u3044\u2014 <a href=\"https:\/\/productionscrews.com\/ja\/unc-thread\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"939\">UNC\u306d\u3058<\/a> \u306f\u7570\u7269\u3092\u3088\u308a\u3088\u304f\u9664\u53bb\u3057\u307e\u3059<br \/>\n\u2013 \u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u3084\u71b1\u53ef\u5851\u6027\u6a39\u8102\u306a\u3069\u306e\u8edf\u8cea\u6750\u6599\u3078\u306e\u30bf\u30c3\u30d7\u52a0\u5de5\uff081\u30a4\u30f3\u30c1\u3042\u305f\u308a\u306e\u306d\u3058\u5c71\u304c\u591a\u3044\uff09<br \/>\n\u2013 \u521d\u671f\u30b3\u30b9\u30c8\u304c\u91cd\u8996\u3055\u308c\u308b\u5834\u5408 \u2014 UNC\u90e8\u54c1\u306f\u3088\u308a\u5e83\u304f\u6d41\u901a\u3057\u3066\u304a\u308a\u3001\u5927\u91cf\u8cfc\u5165\u6642\u306f\u7d0415\u301c25\uff05\u5b89\u4fa1<\/p>\n<p>\u7d44\u7acb\u306e\u7c21\u5358\u306a\u6bd4\u8f03\uff1a1\/4-28 UNF\u30dc\u30eb\u30c8\u306f <strong>28\u56de\u8ee2<\/strong> \u30671\u30a4\u30f3\u30c1\u9032\u307f\u307e\u3059\u30021\/4-20 UNC\u30dc\u30eb\u30c8\u306f\u308f\u305a\u304b <strong>20\u56de\u8ee2<\/strong>\u3067\u3059\u3002\u5927\u91cf\u751f\u7523\u30e9\u30a4\u30f3\u30671\u30b7\u30d5\u30c8\u3042\u305f\u308a500\u7b87\u6240\u3092\u7d44\u307f\u7acb\u3066\u308b\u5834\u5408\u3001\u3053\u306e1\u672c\u3042\u305f\u308a\u7d0440\uff05\u306e\u56de\u8ee2\u6570\u524a\u6e1b\u306f\u30b5\u30a4\u30af\u30eb\u30bf\u30a4\u30e0\u306e\u5927\u5e45\u77ed\u7e2e\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n<h3>UNF\u3068BSP\u306f\u540c\u3058\u3067\u3059\u304b\uff1f\uff08\u3044\u3044\u3048\u3001\u305d\u306e\u7406\u7531\u306f\u3053\u3061\u3089\uff09<\/h3>\n<p><strong>UNF\u3068BSP\u306f\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u305b\u3093\u3002<\/strong> BSP\uff08\u30d6\u30ea\u30c6\u30a3\u30c3\u30b7\u30e5\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9\u30d1\u30a4\u30d7\uff09\u306f <strong>55\u00b0 \u30a6\u30a3\u30c3\u30c8\u30ef\u30fc\u30b9\u306d\u3058\u89d2\u5ea6<\/strong>\u3001\u4e00\u65b9\u3067UNF\u306f <strong>60\u00b0<\/strong>\u3002\u516c\u79f0\u76f4\u5f84\u304c\u4f3c\u3066\u3044\u3066\u3082\u3001\u7570\u306a\u308b\u306d\u3058\u5c71\u89d2\u5ea6\u306b\u3088\u308a\u4e92\u63db\u6027\u306e\u306a\u3044\u306d\u3058\u5f62\u72b6\u3068\u306a\u308a\u307e\u3059\u3002BSP\u7d99\u624b\u3092UNF\u30bf\u30c3\u30d7\u7a74\u306b\u7121\u7406\u306b\u633f\u5165\u3059\u308b\u3001\u307e\u305f\u306f\u305d\u306e\u9006\u306e\u5834\u5408\u3001\u306d\u3058\u5c71\u306e\u3064\u3076\u308c\u3084\u6f0f\u308c\u3001\u306d\u3058\u306e\u7834\u640d\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n<p>\u4e92\u63db\u6027\u3092\u60f3\u5b9a\u3059\u308b\u524d\u306b\u3001\u5fc5\u305a\u6821\u6b63\u6e08\u307f\u306d\u3058\u30b2\u30fc\u30b8\u3067\u306d\u3058\u898f\u683c\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u76ee\u8996\u3060\u3051\u3067\u306f\u3001\u540c\u3058\u76f4\u5f84\u306e\u30d5\u30a1\u30b9\u30ca\u30fc\u3067UNF\u3068BSP\u3092\u533a\u5225\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<h3>UNF\u3068NPT\uff1a\u6a5f\u68b0\u7684\u7de0\u7d50\u3068\u914d\u7ba1\u30b7\u30fc\u30eb\u306e\u9055\u3044<\/h3>\n<p>NPT\uff08\u30ca\u30b7\u30e7\u30ca\u30eb\u30d1\u30a4\u30d7\u30c6\u30fc\u30d1\u30fc\uff09\u306d\u3058\u306f <strong>\u30c6\u30fc\u30d1\u30fc\u5f62\u72b6<\/strong> \u2014 \u30c6\u30fc\u30d1\u30fc\u304c\u7d99\u624b\u306b\u98df\u3044\u8fbc\u3080\u3053\u3068\u3067\u91d1\u5c5e\u540c\u58eb\u306e\u5e72\u6e09\u306b\u3088\u3063\u3066\u30b7\u30fc\u30eb\u3057\u307e\u3059\u3002UNF\u306d\u3058\u306f <strong>\u5e73\u884c\u5f62\u72b6<\/strong> \u2014 \u30b7\u30fc\u30eb\u9762\uff08\u30ac\u30b9\u30b1\u30c3\u30c8\u3001O\u30ea\u30f3\u30b0\u3001\u30d5\u30a7\u30a4\u30b9\uff09\u3092\u7de0\u3081\u4ed8\u3051\u307e\u3059\u304c\u3001\u306d\u3058\u81ea\u4f53\u3067\u306f\u30b7\u30fc\u30eb\u52b9\u679c\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>NPT\u3068UNF\u306e\u6df7\u7528\u306f\u6cb9\u5727\u6f0f\u308c\u306e\u983b\u767a\u539f\u56e0\u3067\u3059\u3002\u201c1\/2-14 NPT\u201d\u3068\u8868\u793a\u3055\u308c\u305f\u30dd\u30fc\u30c8\u306f1\/2-20 UNF\u7d99\u624b\u3068\u306f\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u305b\u3093\u2014TPI\uff08\u306d\u3058\u5c71\u6570\uff09\u304c\u7570\u306a\u308a\uff0814\u306820\uff09\u3001UNF\u306b\u306f\u30c6\u30fc\u30d1\u30fc\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u3089\u306e\u898f\u683c\u3092\u660e\u78ba\u306a\u6280\u8853\u627f\u8a8d\u306a\u3057\u306b\u4ee3\u7528\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n<hr \/>\n<h2>UNF\u306d\u3058\u898f\u683c\u3001\u8a31\u5bb9\u5dee\u3001\u30af\u30e9\u30b9<\/h2>\n<p><strong>UNF\u306d\u3058\u30af\u30e9\u30b91A\/1B\u304b\u30893A\/3B\u306f\u8a31\u5bb9\u30d4\u30c3\u30c1\u5f84\u306e\u7bc4\u56f2\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u2014\u30af\u30e9\u30b92A\/2B\u306f\u5de5\u5b66\u7528\u9014\u306e95%\u4ee5\u4e0a\u3092\u30ab\u30d0\u30fc\u3057\u3001\u30af\u30e9\u30b93A\/3B\u306f\u7cbe\u5bc6\u3084\u822a\u7a7a\u5b87\u5b99\u7528\u9014\u306b\u9650\u5b9a\u3055\u308c\u307e\u3059\u3002<\/strong><\/p>\n<p>UNF\u306d\u3058\u8a31\u5bb9\u5dee\u306e\u5b8c\u5168\u306a\u4ed5\u69d8\u306f <a href=\"https:\/\/www.asme.org\/codes-standards\/find-codes-standards\/b1-1-unified-inch-screw-threads-un-and-uns-thread-form\" target=\"_blank\" rel=\"noopener\">ANSI\/ASME B1.1 \u30e6\u30cb\u30d5\u30a1\u30a4\u30c9\u30a4\u30f3\u30c1\u306d\u3058\u898f\u683c<\/a>\u306b\u3066\u516c\u958b\u3055\u308c\u3066\u304a\u308a\u3001\u306d\u3058\u5f62\u72b6\u3068\u5168\u3066\u306e\u8a31\u5bb9\u5dee\u30be\u30fc\u30f3\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><strong>\u88683\uff1aUNF\u306d\u3058\u30af\u30e9\u30b9\u2014\u9069\u5408\u3001\u8a31\u5bb9\u5dee\u3001\u7528\u9014<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<th>\u30af\u30e9\u30b9<\/th>\n<th>\u8868\u793a<\/th>\n<th>\u8a31\u5bb9\u5dee<\/th>\n<th>\u9069\u5408\u54c1\u8cea<\/th>\n<th>\u4ee3\u8868\u7684\u306a\u4f7f\u7528\u4f8b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>1A\uff08\u5916\uff09\/1B\uff08\u5185\uff09<\/td>\n<td>\u6700\u5927 \u2014 \u6700\u5927\u30af\u30ea\u30a2\u30e9\u30f3\u30b9<\/td>\n<td>\u3086\u308b\u3044<\/td>\n<td>\u6c5a\u308c\u305f\u74b0\u5883\u3001\u904e\u9177\u306a\u4f7f\u7528\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u4ea4\u63db<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>2A\uff08\u5916\uff09\uff0f2B\uff08\u5185\uff09<\/td>\n<td>\u6a19\u6e96 \u2014 \u30d0\u30e9\u30f3\u30b9\u304c\u53d6\u308c\u3066\u3044\u308b<\/td>\n<td>\u4e00\u822c\u7528\u9014<\/td>\n<td>\u7523\u696d\u7528\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3001\u5546\u7528\u30d5\u30a1\u30b9\u30ca\u30fc\u3001\u307b\u3068\u3093\u3069\u306e\u5de5\u5b66\u7528\u9014<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>3A\uff08\u5916\uff09\uff0f3B\uff08\u5185\uff09<\/td>\n<td>\u6700\u3082\u53b3\u5bc6 \u2014 \u6700\u5c0f\u30af\u30ea\u30a2\u30e9\u30f3\u30b9<\/td>\n<td>\u7cbe\u5bc6<\/td>\n<td>\u822a\u7a7a\u5b87\u5b99\u3001\u9632\u885b\u3001\u8a08\u5668\u3001\u5bc6\u7740\u304c\u91cd\u8981\u306a\u63a5\u5408\u90e8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u30af\u30e9\u30b92A\/2B\u306f\u307b\u3068\u3093\u3069\u306e\u7528\u9014\u306b\u9069\u3057\u305f\u6b63\u3057\u3044\u4ed5\u69d8\u3067\u3059\u3002\u30af\u30e9\u30b93A\/3B\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u6b21\u306e\u5834\u5408\u3092\u9664\u304d\u3001\u30e1\u30ea\u30c3\u30c8\u306a\u304f\u30b3\u30b9\u30c8\u304c\u5897\u52a0\u3057\u307e\u3059\uff1a<br \/>\n\u2013 \u822a\u7a7a\u5b87\u5b99\u56f3\u9762\uff08MIL-SPEC\u3001NAS\u3001\u307e\u305f\u306fAS9100\u898f\u5b9a\uff09\u304c\u305d\u308c\u3092\u8981\u6c42\u3059\u308b\u5834\u5408<br \/>\n\u2013 \u7d44\u7acb\u304c\u4ea4\u4e92\u8377\u91cd\u4e0b\u3067\u52d5\u4f5c\u3057\u3001\u30d4\u30c3\u30c1\u5f84\u306e\u5909\u52d5\u304c\u75b2\u52b4\u306b\u91cd\u8981\u306a\u30d5\u30ec\u30c3\u30c6\u30a3\u30f3\u30b0\u3092\u751f\u3058\u308b\u5834\u5408<br \/>\n\u2013 \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u52d5\u7684\u8377\u91cd\u4e0b\u3067\u30bc\u30ed\u904a\u3073\u306e\u30d5\u30a3\u30c3\u30c8\u3092\u8981\u6c42\u3059\u308b\u5834\u5408<\/p>\n<p>\u30af\u30e9\u30b91A\/1B\u306f\u65b0\u3057\u3044\u8a2d\u8a08\u3067\u306f\u307b\u3068\u3093\u3069\u6307\u5b9a\u3055\u308c\u307e\u305b\u3093 \u2014 \u4e3b\u306a\u7528\u9014\u306f\u6469\u8017\u3057\u305f\u306d\u3058\u306b\u3086\u308b\u3044\u30d5\u30a3\u30c3\u30c8\u306e\u30d5\u30a1\u30b9\u30ca\u30fc\u304c\u5fc5\u8981\u306a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u4ea4\u63db\u7528\u30af\u30e9\u30b9\u3067\u3059\u3002<\/p>\n<h3>\u5b9f\u969b\u306e\u30d4\u30c3\u30c1\u5f84\u516c\u5dee<\/h3>\n<p>1\/4-28 UNF-2A\u5916\u306d\u3058\u306e\u5834\u5408\u3001ASME B1.1\u306f\u7d04\u00b10.0019\u30a4\u30f3\u30c1\uff08\u00b10.048mm\uff09\u306e\u30d4\u30c3\u30c1\u5f84\u516c\u5dee\u3092\u898f\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u30af\u30e9\u30b93A\u3067\u306f\u7d04\u00b10.0013\u30a4\u30f3\u30c1\u306b\u53b3\u3057\u304f\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6570\u5024\u306f\u65e5\u5e38\u7684\u306b\u306f\u5c0f\u3055\u3044\u3067\u3059\u304c\u300128TPI\u3067\u306f0.002\u30a4\u30f3\u30c1\u306e <a href=\"https:\/\/productionscrews.com\/ja\/thread-pitch\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"940\">\u30d4\u30c3\u30c1\u5f84\u8aa4\u5dee\u306f\u5168\u306d\u3058\u30d4\u30c3\u30c1\u306e\u307b\u307c1\/14\u3092\u8868\u3057\u307e\u3059\u3002<\/a> \u7cbe\u5bc6\u7d44\u7acb\u3067\u306f\u3001\u305d\u306e\u5909\u52d5\u304c\u30b8\u30e7\u30a4\u30f3\u30c8\u306e\u525b\u6027\u3084\u4e88\u8377\u91cd\u306e\u4e00\u8cab\u6027\u306b\u76f4\u63a5\u5f71\u97ff\u3057\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/03-howto-8.png\" alt=\"UNF\u306d\u3058\u2014\u306d\u3058\u30b2\u30fc\u30b8\u691c\u8a3c\u30d7\u30ed\u30bb\u30b9\u3092\u793a\u3059\u30a4\u30e9\u30b9\u30c8\u3002\u52a0\u5de5\u3055\u308c\u305f\u30dc\u30eb\u30c8\u306b\u5bfe\u3057\u3066\u30b4\u30fc\/\u30ce\u30fc\u30b4\u30fc\u30b2\u30fc\u30b8\u3092\u4f7f\u7528\" \/><\/p>\n<h3>UNF\u306d\u3058\u691c\u8a3c\u306e\u305f\u3081\u306eGo\/No-Go\u30b2\u30fc\u30b8<\/h3>\n<p>UNF\u306d\u3058\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u53d7\u5165\u691c\u67fb\u306e\u6a19\u6e96\u65b9\u6cd5\u306f <strong>Go\/No-Go\u306d\u3058\u30d7\u30e9\u30b0\u30b2\u30fc\u30b8<\/strong> \uff08\u5185\u306d\u3058\u7528\uff09\u304a\u3088\u3073 <strong>\u306d\u3058\u30ea\u30f3\u30b0\u30b2\u30fc\u30b8<\/strong> \uff08\u5916\u306d\u3058\u7528\uff09\u3002\u901a\u308a\u30b2\u30fc\u30b8\u306f\u624b\u306e\u529b\u3067\u901a\u904e\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u305a\u3001\u4e0d\u901a\u308a\u30b2\u30fc\u30b8\u306f\u5165\u3063\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002\u3053\u306e\u30d0\u30a4\u30ca\u30ea\u30c6\u30b9\u30c8\u306b\u3088\u308a\u3001\u30d4\u30c3\u30c1\u5f84\u304c\u6307\u5b9a\u3055\u308c\u305f\u30af\u30e9\u30b9\u516c\u5dee\u5185\u306b\u3042\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u91cf\u7523\u306e\u5834\u5408\u3001\u591a\u304f\u306eTier-1\u822a\u7a7a\u5b87\u5b99\u30b5\u30d7\u30e9\u30a4\u30c1\u30a7\u30fc\u30f3\u3067\u306f\u3001\u624b\u52d5\u30b2\u30fc\u30b8\u30f3\u30b0\u306e\u4ee3\u308f\u308a\u306b\u4e09\u6b21\u5143\u6e2c\u5b9a\u6a5f\uff08CMM\uff09\u306b\u3088\u308b\u5149\u5b66\u6e2c\u5b9a\u304c\u5c0e\u5165\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6700\u3082\u91cd\u8981\u306a\u6e2c\u5b9a\u306f\u5e38\u306b\u30d4\u30c3\u30c1\u5f84\u3067\u3042\u308a\u3001\u6e2c\u5b9a\u304c\u5bb9\u6613\u306a\u5927\u5f84\u3067\u306f\u306a\u304f\u3001\u5d4c\u5408\u54c1\u8cea\u306e\u8a3a\u65ad\u306b\u306f\u30d4\u30c3\u30c1\u5f84\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<hr \/>\n<h2>UNF\u306d\u3058\u306e\u4eca\u5f8c\u306e\u52d5\u5411\uff082026\u5e74\u4ee5\u964d\uff09<\/h2>\n<p><strong>UNF\u306d\u3058\u306e\u9700\u8981\u306f\u3001\u7279\u6b8a\u5408\u91d1\u306e\u8981\u4ef6\u3084\u30c8\u30ec\u30fc\u30b5\u30d3\u30ea\u30c6\u30a3\u30fb\u30c7\u30b8\u30bf\u30eb\u691c\u8a3c\u3055\u308c\u305f\u30d5\u30a1\u30b9\u30ca\u30fc\u66f8\u985e\u306e\u5fc5\u8981\u6027\u306b\u3088\u308a\u3001\u4e00\u822c\u88fd\u9020\u696d\u3088\u308a\u3082\u96fb\u52d5\u5316\u304a\u3088\u3073\u822a\u7a7a\u5b87\u5b99\u5206\u91ce\u3067\u6025\u901f\u306b\u5897\u52a0\u3057\u3066\u3044\u307e\u3059\u3002<\/strong><\/p>\n<h3>EV\u304a\u3088\u3073\u822a\u7a7a\u5b87\u5b99\u5206\u91ce\u306b\u304a\u3051\u308b\u9ad8\u5f37\u5ea6UNF\u30d5\u30a1\u30b9\u30ca\u30fc<\/h3>\n<p>\u96fb\u6c17\u81ea\u52d5\u8eca\u306e\u30d0\u30c3\u30c6\u30ea\u30fc\u30d1\u30c3\u30af\u306b\u306f\u3001\u30bb\u30eb\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u56fa\u5b9a\u3059\u308b\u305f\u3081\u306b\u6570\u5343\u672c\u306e\u7d30\u76ee\u306d\u3058\u30d5\u30a1\u30b9\u30ca\u30fc\u304c\u5fc5\u8981\u3067\u3059\u3002EV\u30d1\u30ef\u30fc\u30c8\u30ec\u30a4\u30f3\u306e\u632f\u52d5\u7ba1\u7406\u3067\u3082\u3001\u822a\u7a7a\u6a5f\u3068\u540c\u69d8\u306e\u7406\u7531\u3067UNF\u306d\u3058\u304c\u9078\u3070\u308c\u3066\u3044\u307e\u3059\u3002\u6b21\u4e16\u4ee3\u822a\u7a7a\u5b87\u5b99\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\uff08\u90fd\u5e02\u578b\u30a8\u30a2\u30e2\u30d3\u30ea\u30c6\u30a3\u6a5f\u3001\u885b\u661f\u30b3\u30f3\u30b9\u30c6\u30ec\u30fc\u30b7\u30e7\u30f3\u6a5f\u5668\u3001\u6975\u8d85\u97f3\u901f\u8a66\u9a13\u6a5f\uff09\u3067\u306f\u3001\u7279\u6b8a\u5408\u91d1\u88fd\u306e\u5c0f\u5f84\u30fb\u9ad8\u5f37\u5ea6UNF\u306d\u3058\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u9700\u8981\u304c\u5897\u52a0\u3057\u3066\u3044\u307e\u3059\uff1a<\/p>\n<ul>\n<li><strong>\u30c1\u30bf\u30f3\u5408\u91d1\u30b0\u30ec\u30fc\u30c95\uff08Ti-6Al-4V\uff09\uff1a<\/strong> \u822a\u7a7a\u5b87\u5b99\u5206\u91ce\u3067\u306e\u8efd\u91cf\u5316\u306b\u4e0d\u53ef\u6b20\u306a\u5f37\u5ea6\u5bfe\u91cd\u91cf\u6bd4\uff1bUNF\u306d\u3058\u52a0\u5de5\u306b\u306f\u5c02\u7528\u306e\u8d85\u786c\u5de5\u5177\u304c\u5fc5\u8981<\/li>\n<li><strong>\u30a4\u30f3\u30b3\u30cd\u30eb718\uff1a<\/strong> \u30bf\u30fc\u30d3\u30f3\u6a5f\u5668\u7528\u306e\u9ad8\u6e29\u30cb\u30c3\u30b1\u30eb\u57fa\u8d85\u5408\u91d1\uff1bUNF\u306d\u3058\u306f\u52a0\u5de5\u786c\u5316\u6750\u3067\u30af\u30e9\u30b93A\u516c\u5dee\u3092\u7dad\u6301\u3059\u308b\u305f\u3081CNC\u7cbe\u5bc6\u52a0\u5de5\u304c\u5fc5\u8981<\/li>\n<li><strong>A286\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\uff1a<\/strong> \u8010\u8150\u98df\u6027\u30fb\u9ad8\u5f37\u5ea6\uff1bUNF <a href=\"https:\/\/productionscrews.com\/ja\/expert-guide-to-special-fasteners-manufacturing-from-jet-engines-to-custom-solutions\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"942\">\u30d5\u30a1\u30b9\u30ca\u30fc\u306f\u30b8\u30a7\u30c3\u30c8\u30a8\u30f3\u30b8\u30f3<\/a> \u4ed8\u5c5e\u54c1\u3084\u30ed\u30b1\u30c3\u30c8\u63a8\u9032\u30b7\u30b9\u30c6\u30e0\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059<\/li>\n<\/ul>\n<p>\u4e16\u754c\u306e\u30d5\u30a1\u30b9\u30ca\u30fc\u30de\u30fc\u30b1\u30c3\u30c8\u306f2024\u5e74\u306b\u7d04$95\u5104\u5186\u3068\u8a55\u4fa1\u3055\u308c\u30012030\u5e74\u307e\u3067\u306b\u5e74\u5e73\u5747\u6210\u9577\u73873.5%\u3067\u6210\u9577\u304c\u898b\u8fbc\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u7279\u306b\u822a\u7a7a\u5b87\u5b99\u304a\u3088\u3073EV\u306e\u7d30\u76ee\u306d\u3058\u5206\u91ce\u306f\u3001\u96fb\u52d5\u5316\u306e\u52a0\u901f\u306b\u3088\u308a\u5168\u4f53\u5e73\u5747\u3092\u4e0a\u56de\u308b\u6210\u9577\u304c\u4e88\u60f3\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3>\u30c7\u30b8\u30bf\u30eb\u306d\u3058\u691c\u8a3c\u3068\u30b9\u30de\u30fc\u30c8\u88fd\u9020<\/h3>\n<p>\u306d\u3058\u691c\u67fb\u306f\u3001\u624b\u52d5\u30b2\u30fc\u30b8\u30f3\u30b0\u304b\u3089\u7d71\u8a08\u7684\u5de5\u7a0b\u7ba1\u7406\uff08SPC\uff09\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3068\u7d71\u5408\u3055\u308c\u305f\u81ea\u52d5\u30d3\u30b8\u30e7\u30f3\u30b7\u30b9\u30c6\u30e0\u3078\u3068\u79fb\u884c\u3057\u3066\u3044\u307e\u3059\u3002\u5927\u91cf\u751f\u7523\u306eUNF\u306d\u3058\u30d5\u30a1\u30b9\u30ca\u30fc\u88fd\u9020\u3067\u306f\u3001\u3053\u308c\u306b\u3088\u308a\u4ee5\u4e0b\u304c\u5b9f\u73fe\u3057\u307e\u3059\uff1a<\/p>\n<ul>\n<li><strong>\u5149\u5b66\u5f0f\u306d\u3058\u6e2c\u5b9a\u30b7\u30b9\u30c6\u30e0<\/strong> \uff08\u30ec\u30fc\u30b6\u30fc\u307e\u305f\u306f\u767d\u8272\u5149\u5e72\u6e09\u6cd5\uff09\u306b\u3088\u308a\u3001\u901a\u308a\uff0f\u4e0d\u901a\u308a\u30b2\u30fc\u30b8\u306e\u4ee3\u308f\u308a\u306b100%\u30a4\u30f3\u30e9\u30a4\u30f3\u691c\u67fb\u3092\u5b9f\u65bd<\/li>\n<li><strong>\u306d\u3058\u30b9\u30ad\u30e3\u30f3\u30d7\u30ed\u30fc\u30d6\u4ed8\u304dCMM<\/strong> \u30af\u30e9\u30b93A\u822a\u7a7a\u5b87\u5b99\u30d5\u30a1\u30b9\u30ca\u30fc\u7528\u2014\u30ed\u30c3\u30c8\u3054\u3068\u306b\u30d4\u30c3\u30c1\u5f84\u3001\u30ea\u30fc\u30c9\u3001\u306d\u3058\u5f62\u72b6\u30c7\u30fc\u30bf\u3092\u5b8c\u5168\u53d6\u5f97<\/li>\n<li><strong>\u30c7\u30b8\u30bf\u30eb\u306d\u3058\u8a3c\u660e\u66f8<\/strong> QR\u30b3\u30fc\u30c9\u306b\u3088\u308b\u30c8\u30ec\u30fc\u30b5\u30d3\u30ea\u30c6\u30a3\u4ed8\u304d <a href=\"https:\/\/productionscrews.com\/ja\/raw-material-testing-a-comprehensive-guide-to-quality-control-methods-2024\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"943\">\u539f\u6599<\/a> AS9100D\u304a\u3088\u3073IATF 16949\u306e\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u54c1\u8cea\u5951\u7d04\u306e\u4e0b\u3067\u307e\u3059\u307e\u3059\u8981\u6c42\u3055\u308c\u308b\u3001\u71b1\u51e6\u7406\u30ed\u30c3\u30c8\u304b\u3089\u6700\u7d42\u691c\u67fb\u307e\u3067<\/li>\n<\/ul>\n<p>\u822a\u7a7a\u5b87\u5b99\u3084\u81ea\u52d5\u8eca\u306e\u30c6\u30a3\u30a21\u7528\u9014\u5411\u3051\u306bUNF\u306d\u3058\u30d5\u30a1\u30b9\u30ca\u30fc\u3092\u8abf\u9054\u3059\u308b\u30d0\u30a4\u30e4\u30fc\u306f\u3001ASME B1.1\u30af\u30e9\u30b9\u516c\u5dee\u3078\u306e\u30d4\u30c3\u30c1\u5f84\u9069\u5408\u3092\u30ab\u30d0\u30fc\u3059\u308b\u6587\u66f8\u5316\u3055\u308c\u305f\u691c\u67fb\u8a18\u9332\u3092\u671f\u5f85\u3057\u3001\u8981\u6c42\u3059\u3079\u304d\u3067\u3059\u3002\u30c8\u30ec\u30fc\u30b5\u30d3\u30ea\u30c6\u30a3\u3092\u63d0\u4f9b\u3067\u304d\u306a\u3044\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306f\u3001\u5b89\u5168\u6027\u304c\u91cd\u8981\u306a\u30b5\u30d7\u30e9\u30a4\u30c1\u30a7\u30fc\u30f3\u306b\u306f\u9069\u3057\u307e\u305b\u3093\u3002<\/p>\n<hr \/>\n<h2>UNF\u306d\u3058\u306b\u95a2\u3059\u308b\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<p><strong>\u4ee5\u4e0b\u306e\u5404\u56de\u7b54\u306f\u76f4\u63a5\u7684\u306a\u8fd4\u7b54\u304b\u3089\u59cb\u307e\u308a\u3001\u8a73\u7d30\u306b\u5c55\u958b\u3057\u307e\u3059 \u2014 \u30af\u30a4\u30c3\u30af\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3068\u3057\u3066\u5229\u7528\u3057\u305f\u308a\u3001\u77ed\u7e2e\u5f62\u3092\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u6587\u66f8\u306b\u30b3\u30d4\u30fc\u3057\u305f\u308a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/strong><\/p>\n<h3>UNF\u306d\u3058\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n<p><strong>UNF\u306d\u3058\u306f\u30e6\u30cb\u30d5\u30a1\u30a4\u30c9\u30fb\u30ca\u30b7\u30e7\u30ca\u30eb\u30fb\u30d5\u30a1\u30a4\u30f3\u306d\u3058\u3067\u3001UNC\u3088\u308a\u7d30\u304b\u3044\u30d4\u30c3\u30c1\u3092\u6301\u306460\u00b0\u30a4\u30f3\u30c1\u306d\u3058\u3067\u3059\u3002ANSI\/ASME B1.1\u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/strong> \u306d\u3058\u5c71\u6570\uff08TPI\uff09\u3067\u6307\u5b9a\u3055\u308c\u3001#0\u304b\u30891-1\/2\u30a4\u30f3\u30c1\u4ee5\u4e0a\u306e\u30b5\u30a4\u30ba\u3092\u30ab\u30d0\u30fc\u3057\u3001\u822a\u7a7a\u5b87\u5b99\u3001\u81ea\u52d5\u8eca\u9ad8\u6027\u80fd\u3001\u7cbe\u5bc6\u6a5f\u5668\u7528\u9014\u3067\u63a8\u5968\u3055\u308c\u308b\u306d\u3058\u898f\u683c\u3067\u3059\u3002\u5b8c\u5168\u306a\u8868\u8a18\u4f8b\u306f\u300c1\/4-28 UNF-2A\u300d\u2014 \u547c\u3073\u5f84\u3001TPI\u3001\u898f\u683c\u3001\u30af\u30e9\u30b9\u3067\u3059\u3002<\/p>\n<h3>UNF\u3068BSP\u306f\u540c\u3058\u3067\u3059\u304b\uff1f<\/h3>\n<p><strong>\u3044\u3044\u3048 \u2014 UNF\u3068BSP\u306f\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u305b\u3093\u3002<\/strong> UNF\u306f60\u00b0\u306e\u30d5\u30e9\u30f3\u30af\u89d2\u3001BSP\u306f55\u00b0\u306e\u30a6\u30a3\u30c3\u30c8\u30ef\u30fc\u30b9\u89d2\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u547c\u3073\u5f84\u304c\u4f3c\u3066\u3044\u3066\u3082\u3001\u30d5\u30e9\u30f3\u30af\u5f62\u72b6\u304c\u7570\u306a\u308b\u305f\u3081\u3001BSP\u30d5\u30a1\u30b9\u30ca\u30fc\u306fUNF\u30bf\u30c3\u30d7\u7a74\u306b\u6b63\u3057\u3044\u306d\u3058\u565b\u307f\u5408\u3044\u3092\u5f62\u6210\u3057\u307e\u305b\u3093\u3002\u5fc5\u305a\u306d\u3058\u30b2\u30fc\u30b8\u3067\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u3089\u306e\u898f\u683c\u3092\u6df7\u7528\u3059\u308b\u3068\u3001\u6cb9\u5727\u30fb\u7a7a\u5727\u30b8\u30e7\u30a4\u30f3\u30c8\u306e\u6545\u969c\u539f\u56e0\u3068\u306a\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>UNC\u3068UNF\u306f\u3069\u3061\u3089\u304c\u512a\u308c\u3066\u3044\u307e\u3059\u304b\uff1f<\/h3>\n<p><strong>\u3069\u3061\u3089\u3082\u4e00\u6982\u306b\u512a\u308c\u3066\u3044\u308b\u3068\u306f\u8a00\u3048\u307e\u305b\u3093 \u2014 \u7528\u9014\u304c\u7570\u306a\u308a\u307e\u3059\u3002<\/strong> UNF\u306f\u632f\u52d5\u306e\u591a\u3044\u7d44\u7acb\u3001\u7cbe\u5bc6\u30c8\u30eb\u30af\u7ba1\u7406\u3001\u8584\u8089\u30bf\u30c3\u30d7\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002UNC\u306f\u8fc5\u901f\u306a\u7d44\u7acb\u3001\u6c5a\u308c\u305f\u74b0\u5883\u3001\u8edf\u8cea\u6750\u3078\u306e\u30bf\u30c3\u30d7\u3001\u30b3\u30b9\u30c8\u91cd\u8996\u306e\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u7279\u306b\u7d30\u76ee\u306d\u3058\u306e\u5229\u70b9\u304c\u5fc5\u8981\u306a\u5834\u5408\u3092\u9664\u304d\u3001\u57fa\u672c\u7684\u306b\u306fUNC\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>UNF\u306f\u4f55\u306e\u7565\u3067\u3059\u304b\uff1f<\/h3>\n<p><strong>UNF\u306f\u30e6\u30cb\u30d5\u30a1\u30a4\u30c9\u30fb\u30ca\u30b7\u30e7\u30ca\u30eb\u30fb\u30d5\u30a1\u30a4\u30f3\u306e\u7565\u3067\u3059\u3002<\/strong> \u300c\u30e6\u30cb\u30d5\u30a1\u30a4\u30c9\u300d\u306f1940\u5e74\u4ee3\u306e\u65e5\u672c\u30fb\u30ab\u30ca\u30c0\u30fb\u30a4\u30ae\u30ea\u30b9\u306e\u306d\u3058\u6a19\u6e96\u5316\u5354\u5b9a\u3092\u6307\u3057\u3001\u300c\u30ca\u30b7\u30e7\u30ca\u30eb\u300d\u306f\u65e5\u672c\u898f\u683c\uff08\u82f1\u56fd\u30a6\u30a3\u30c3\u30c8\u30ef\u30fc\u30b9\u3068\u306f\u7570\u306a\u308b\uff09\u3092\u793a\u3057\u3001\u300c\u30d5\u30a1\u30a4\u30f3\u300d\u306f\u540c\u3058\u5f84\u306e\u30e6\u30cb\u30d5\u30a1\u30a4\u30c9\u30fb\u30ca\u30b7\u30e7\u30ca\u30eb\u30fb\u30b3\u30fc\u30b9\uff08UNC\uff09\u3088\u308a\u7d30\u304b\u3044\u30d4\u30c3\u30c1\uff08TPI\u304c\u591a\u3044\uff09\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<h3>UNF\u306d\u3058\u30d4\u30c3\u30c1\u3092mm\u306b\u5909\u63db\u3059\u308b\u306b\u306f\uff1f<\/h3>\n<p><strong>TPI\u5024\u306725.4\u3092\u5272\u308a\u307e\u3059\u3002<\/strong> 1\/4-28 UNF\u306e\u5834\u5408\uff1a25.4 \u00f7 28 = <strong>0.907 mm \u30d4\u30c3\u30c1<\/strong>\u4e3b\u5f84\uff08mm\uff09\uff1d\u516c\u79f0\u30a4\u30f3\u30c1 \u00d7 25.4\uff081\/4\u30a4\u30f3\u30c1\uff1d6.35 mm\uff09\u3002UNF\u306d\u3058\u306f\u3001\u30d4\u30c3\u30c1\u5024\u304c\u4f3c\u3066\u3044\u3066\u3082ISO\u30e1\u30fc\u30c8\u30eb\u306d\u3058\u3068\u4e92\u63db\u6027\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u306d\u3058\u8a2d\u8a08\u3084\u516c\u5dee\u4f53\u7cfb\u304c\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>UNF\u306d\u3058\u306e\u30bf\u30c3\u30d7\u4e0b\u7a74\u5f84\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n<p><strong>\u4e3b\u5f84\u304b\u3089\u30d4\u30c3\u30c1\u3092\u5f15\u304f\u3053\u3068\u3067\u300175%\u306e\u304b\u307f\u5408\u3044\u306b\u9069\u3057\u305f\u30bf\u30c3\u30d7\u4e0b\u7a74\u5f84\u3092\u6c42\u3081\u307e\u3059\u3002<\/strong> 1\/4-28 UNF\u306e\u5834\u5408\uff1a0.250 \u2212 0.036 = 0.214\u30a4\u30f3\u30c1 \u2192 #3\u30c9\u30ea\u30eb\uff080.2130\u30a4\u30f3\u30c1\uff09\u3092\u4f7f\u7528\u3002#10-32 UNF\u306e\u5834\u5408\uff1a0.190 \u2212 0.031 = 0.159\u30a4\u30f3\u30c1 \u2192 #21\u30c9\u30ea\u30eb\uff080.1590\u30a4\u30f3\u30c1\uff09\u3092\u4f7f\u7528\u3002\u786c\u3044\u6750\u6599\u3067\u9ad8\u3044\u304b\u307f\u5408\u3044\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u4e0b\u7a74\u5f84\u3092\u5c0f\u3055\u304f\u3001\u67d4\u3089\u304b\u3044\u6750\u6599\u3067\u30bf\u30c3\u30d7\u6298\u308c\u3092\u9632\u3050\u5834\u5408\u306f\u5927\u304d\u304f\u8abf\u6574\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>UNF\u306d\u3058\u3068UNS\u306d\u3058\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n<p><strong>UNS\uff08\u7d71\u4e00\u7279\u6b8a\u306d\u3058\uff09\u306f\u3001\u516c\u79f0\u5f84\u306b\u5bfe\u3057\u3066\u6a19\u6e96\u3067\u306a\u3044TPI\u5024\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/strong> \u4f8b\u3048\u3070\u30011\/4-32 UNS\u306d\u3058\u306f\u30011\/4\u30a4\u30f3\u30c1UNF\u3067\u5b9a\u7fa9\u3055\u308c\u308b\u6a19\u6e96\u306e28 TPI\u3067\u306f\u306a\u304f\u300132 TPI\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002UNC\u3084UNF\u306eTPI\u5024\u304c\u8a2d\u8a08\u306b\u9069\u3055\u306a\u3044\u5834\u5408\u306bUNS\u304c\u6307\u5b9a\u3055\u308c\u307e\u3059\u3002\u4e3b\u306b\u8584\u8089\u30c1\u30e5\u30fc\u30d6\u3084\u7279\u6b8a\u6cb9\u5727\u7d99\u624b\u3001\u65e7\u578b\u6a5f\u68b0\u8a2d\u8a08\u306a\u3069\u3067\u7528\u3044\u3089\u308c\u307e\u3059\u3002UNS\u306d\u3058\u306f\u6a19\u6e96\u30ab\u30bf\u30ed\u30b0\u306e\u30bf\u30c3\u30d7\u3084\u30c0\u30a4\u30b9\u3067\u306f\u5bfe\u5fdc\u3067\u304d\u305a\u3001\u7279\u6ce8\u5de5\u5177\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<h3>\u8f38\u5165\u6a5f\u68b0\u306e\u30e1\u30fc\u30c8\u30eb\u306d\u3058\u3092UNF\u306d\u3058\u3067\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n<p><strong>\u76f4\u63a5\u306e\u4ee3\u66ff\u306f\u3067\u304d\u307e\u305b\u3093\u3002UNF\u306d\u3058\u3068ISO\u30e1\u30fc\u30c8\u30eb\u306d\u3058\u306f\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u305b\u3093\u3002<\/strong> 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