{"id":3564,"date":"2026-04-30T06:05:36","date_gmt":"2026-04-30T06:05:36","guid":{"rendered":"https:\/\/productionscrews.com\/unc-thread\/"},"modified":"2026-04-30T06:06:08","modified_gmt":"2026-04-30T06:06:08","slug":"unc-thread","status":"publish","type":"post","link":"https:\/\/productionscrews.com\/ko\/unc-thread\/","title":{"rendered":"UNC \ub098\uc0ac: \ud1b5\ud569 \uad6d\uac00 \uc870\ub4dc \ub098\uc0ac \ud45c\uc900\uc5d0 \ub300\ud55c \uc644\uc804\ud55c \uac00\uc774\ub4dc"},"content":{"rendered":"<h1>UNC \ub098\uc0ac: \ud1b5\ud569 \uad6d\uac00 \uc870\ub4dc \ub098\uc0ac \ud45c\uc900\uc5d0 \ub300\ud55c \uc644\uc804\ud55c \uac00\uc774\ub4dc<\/h1>\n<p class=\"direct-answer\"><strong>UNC \ub098\uc0ac(\ud1b5\ud569\ub41c \uad6d\uac00 \uc870\uc784)\ub294 \uc9c1\uacbd\uacfc \ub098\uc0ac\ub2f9 \uc778\uce58 \uc218(TPI)\uc5d0 \uc758\ud574 \uc815\uc758\ub41c \ud45c\uc900 \ubbf8\uad6d \uc778\uce58 \uae30\ubc18\uc758 \uc870\uc784 \ub098\uc0ac\ub85c, \ub300\ud55c\ubbfc\uad6d\uc744 \ud3ec\ud568\ud55c \ub300\ubd80\ubd84\uc758 \uc77c\ubc18 \ubaa9\uc801 \ubcfc\ud2b8, \ub098\uc0ac, \ub108\ud2b8\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/strong><\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/04\/unc-thread-hero.jpg\" alt=\"UNC \ub098\uc0ac \u2014 \uc870\uc7a1 \ub098\uc0ac\uc0b0 \ubcfc\ud2b8\uc640 \ub108\ud2b8 \uc870\ub9bd\uc758 \uc0c1\uc138 \ub2e8\uba74\uc744 \ubcf4\uc5ec\uc8fc\ub294 \ub300\ud45c \uc77c\ub7ec\uc2a4\ud2b8\" \/><\/figure>\n<p>\ubd81\uc544\uba54\ub9ac\uce74\uc758 \uc5b4\ub5a4 \uc0dd\uc0b0 \uc2dc\uc124, \uae30\uacc4 \uacf5\uc7a5 \ub610\ub294 \ucca0\ubb3c\uc810\uc5d0 \uac00\ub354\ub77c\ub3c4 UNC \ub098\uc0ac\ub294 \uc5b4\ub514\uc5d0\ub098 \uc788\uc2b5\ub2c8\ub2e4. \uae30\uacc4 \uac00\ub4dc\ub97c \uace0\uc815\ud558\ub294 1\/4-20 \ucea1 \ub098\uc0ac? UNC\uc785\ub2c8\ub2e4. \uc5d4\uc9c4 \uc7a5\ucc29\uc6a9 3\/8-16 \ubcfc\ud2b8? UNC\uc785\ub2c8\ub2e4. \uc2dc\uc124\uc758 \ucf58\ud06c\ub9ac\ud2b8 \ubc14\ub2e5\uc5d0 \ubc15\ud78c 1\/2-13 \uc575\ucee4 \ubcfc\ud2b8\ub3c4? \uc5ed\uc2dc UNC\uc785\ub2c8\ub2e4.<\/p>\n<p>\uadf8\ub7ec\ub098 \uc774\ub807\uac8c \ud754\ud55c \uac83\uc784\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0, UNC \ub098\uc0ac\ub294 \uc9c4\uc815\uc73c\ub85c \uc624\ud574\ubc1b\uace0 \uc788\uc2b5\ub2c8\ub2e4 \u2014 \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc740 UNF\uc640 \ud63c\ub3d9\ud558\uace0, \uae30\uacc4\uacf5\ub4e4\uc740 NPT \ud30c\uc774\ud504 \ub098\uc0ac\uc640 \ud63c\ub3d9\ud558\uba70, \uad6c\ub9e4\uc790\ub294 \uc798\ubabb\ub41c \ub098\uc0ac \ub4f1\uae09\uc744 \uc8fc\ubb38\ud558\uace0 \uc870\ub9bd\uc774 \ub290\uc2a8\ud558\uac70\ub098 \ubd88\uac00\ub2a5\ud55c \uc774\uc720\ub97c \uad81\uae08\ud574\ud569\ub2c8\ub2e4. \uc774 \uac00\uc774\ub4dc\ub294 \uae30\ubcf8 \uae30\ud558\ud559\ubd80\ud130 \uc624\ub298\ub0a0 \uc0dd\uc0b0 \ud604\uc7a5\uc5d0\uc11c \uc801\uc6a9\ud560 \uc218 \uc788\ub294 \uc120\ud0dd \uaddc\uce59\uae4c\uc9c0 \ubaa8\ub450 \ub2e4\ub8f9\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>UNC \ub098\uc0ac\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/h2>\n<p>UNC \ub098\uc0ac \u2014 \uc57d\uc5b4\ub85c <strong>\ud1b5\ud569\ub41c \uad6d\uac00 \uc870\uc784<\/strong> \u2014\ub294 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Unified_Thread_Standard\" target=\"_blank\" rel=\"noopener\">\ud1b5\ud569\ub41c \ub098\uc0ac \ud45c\uc900<\/a>\uc5d0 \ub530\ub77c \uc815\uc758\ub41c \uc870\uc784 \ud53c\uce58\uac00 \uac70\uce5c \ub098\uc0ac\uc785\ub2c8\ub2e4. \uc774\ub294 \ubd81\uc544\uba54\ub9ac\uce74\uc5d0\uc11c \uc9c0\ubc30\uc801\uc778 \uc778\uce58 \uae30\ubc18 \ub098\uc0ac \ud45c\uc900\uc785\ub2c8\ub2e4. \uc870\uc784\uc774 \uac70\uce60\ub2e4\ub294 \uac83\uc740 \ubbf8\uc138 \ub098\uc0ac\uc640 \ube44\uad50\ud588\uc744 \ub54c <em>\uc0c1\ub300\uc801\uc73c\ub85c \ud070 \ud53c\uce58<\/em> (\uc778\uce58\ub2f9 \ub098\uc0ac \uc218\uac00 \uc801\uc74c)\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n<p>\ud1b5\ud569\ub41c \ub098\uc0ac \ud45c\uc900\uc740 1948\ub144\uc5d0 \uacf5\uc2dd\ud654\ub418\uc5c8\uc73c\uba70, \uc774\ub294 \uc81c2\ucc28 \uc138\uacc4\ub300\uc804 \ub3d9\uc548 \uacf5\uae09 \ubb38\uc81c\ub97c \uc57c\uae30\ud588\ub358 \ud638\ud658\ub418\uc9c0 \uc54a\ub294 \uad6d\uac00\ubcc4 \ub098\uc0ac \uc2dc\uc2a4\ud15c\uc744 \ub300\uccb4\ud558\uae30 \uc704\ud55c \ubbf8\uad6d, \uc601\uad6d, \uce90\ub098\ub2e4\uc758 \uacf5\ub3d9 \ud611\uc57d\uc785\ub2c8\ub2e4. \uc624\ub298\ub0a0, ASME B1.1\uc740 UNC\uc640 \uae30\ud0c0 \ubaa8\ub4e0 \ud1b5\ud569\ub41c \ub098\uc0ac \ud615\uc2dd\uc744 \uaddc\uc81c\ud558\ub294 \ubb38\uc11c\uc785\ub2c8\ub2e4.<\/p>\n<h3>\ud1b5\ud569\ub41c \ub098\uc0ac \ud45c\uc900(UTS) \uacc4\uc5f4<\/h3>\n<p>UNC\ub294 \ud1b5\ud569\ub41c \ub098\uc0ac \ud45c\uc900 \uc544\ub798 \ub354 \ub113\uc740 \uacc4\uc5f4\uc758 \ud55c \uad6c\uc131\uc6d0\uc785\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>UNC (\ud1b5\ud569\uad6d\uac00 \uc870\uc7a1\ud55c \ub098\uc0ac\uc0b0)<\/strong> \u2014 \uac00\uc7a5 \uc77c\ubc18\uc801\uc774\uace0, \ubc94\uc6a9\uc801\uc774\uba70, \uba3c\uc9c0\uc640 \uc190\uc0c1\uc5d0 \uac15\ud568<\/li>\n<li><strong>UNF (\ud1b5\ud569\uad6d\uac00 \ubbf8\uc138\ud55c \ub098\uc0ac\uc0b0)<\/strong> \u2014 \ub354 \ubbf8\uc138\ud55c \ud53c\uce58, \uc9c1\uacbd\ub2f9 \uc778\uc7a5 \uac15\ub3c4\uac00 \ub192\uc544 \uc9c4\ub3d9 \uc800\ud56d\uc774 \uc911\uc694\ud55c \uacf3\uc5d0 \uc0ac\uc6a9\ub428<\/li>\n<li><strong>UNEF(\ud1b5\ud569\ub41c \uad6d\uac00 \ucd08\ubbf8\uc138 \ud53c\uce58)<\/strong> \u2014 \ub9e4\uc6b0 \ubbf8\uc138\ud55c \ud53c\uce58, \uc8fc\ub85c \ud56d\uacf5\uc6b0\uc8fc \ubc0f \uc815\ubc00 \uae30\uae30\uc5d0\uc11c \uc0ac\uc6a9\ub428<\/li>\n<li><strong>UNS(\ud1b5\ud569\ub41c \uad6d\uac00 \ud2b9\uc218)<\/strong> \u2014 \ud2b9\uc815 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc694\uad6c \uc0ac\ud56d\uc5d0 \uc0ac\uc6a9\ub418\ub294 \ube44\ud45c\uc900 TPI \uc870\ud569<\/li>\n<li><strong>UN (\ud1b5\ud569 \uad6d\uac00)<\/strong> \u2014 \uc555\ub825 \uc6a9\uae30 \ud50c\ub79c\uc9c0\uc640 \uac19\uc740 \ub300\uacbd \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc0ac\uc6a9\ub418\ub294 \ud2b9\uc218 \uace0\uc815 \ud53c\uce58 \uc2dc\ub9ac\uc988(4-UN, 6-UN, 8-UN \ub4f1)\ub97c \uc704\ud55c \ud3ec\uad04\uc801 \ud45c\uae30<\/li>\n<\/ul>\n<p>\uc2e4\uc81c\ub85c \ub204\uad70\uac00 \u201c\ud45c\uc900 \ubcfc\ud2b8\u201d\ub77c\uace0 \ub9d0\ud560 \ub54c \uac70\uc758 \ud56d\uc0c1 UNC\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \ud2b9\ubcc4\ud788 \ub354 \uc815\ubc00\ud55c \uac83\uc774 \ud544\uc694\ud558\uc9c0 \uc54a\ub2e4\uba74 \uae30\ubcf8\uc801\uc73c\ub85c \uc120\ud0dd\ud558\ub294 \uaddc\uaca9\uc785\ub2c8\ub2e4.<\/p>\n<h3>UNC \ub098\uc0ac \uaddc\uaca9 \uc2dc\uc2a4\ud15c \uc124\uba85<\/h3>\n<p>\uc644\uc804\ud55c UNC \ub098\uc0ac \ud638\ucd9c \ud45c\uae30\ub294 \ub2e4\uc74c \ud328\ud134\uc744 \ub530\ub985\ub2c8\ub2e4:<\/p>\n<p><strong>[\uc9c0\ub984] \u2013 [TPI] UNC \u2013 [\ub4f1\uae09][\ub0b4\ubd80\/\uc678\ubd80]<\/strong><\/p>\n<p>\uc608\uc2dc:<\/p>\n<ul>\n<li><strong>1\/4-20 UNC-2A<\/strong> = 1\/4\uc778\uce58 \uba85\ubaa9 \uc9c0\ub984, 1\uc778\uce58\ub2f9 20\uac1c \ub098\uc0ac, \ub4f1\uae09 2, \uc678\ubd80 \ub098\uc0ac (A = \uc678\ubd80, B = \ub0b4\ubd80)<\/li>\n<li><strong>3\/8-16 UNC-2B<\/strong> = 3\/8\uc778\uce58 \uc9c0\ub984, 16 TPI, \ub4f1\uae09 2, \ub0b4\ubd80 \ub098\uc0ac(\ud0ed\ub41c \uad6c\uba4d)<\/li>\n<li><strong>1\/2-13 UNC-3A<\/strong> = 1\/2\uc778\uce58 \uc9c0\ub984, 13 TPI, \ub4f1\uae09 3(\uc815\ubc00 \ub9de\ucda4), \uc678\ubd80 \ub098\uc0ac<\/li>\n<\/ul>\n<p>\uc5d0 \ub300\ud55c <a href=\"https:\/\/productionscrews.com\/ko\/essential-screws-choosing-the-right-fasteners-for-your-projects\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"893\">\ub098\uc0ac \ubc0f \uccb4\uacb0 \ubd80\ud488<\/a> 1\/4\uc778\uce58\ubcf4\ub2e4 \uc791\uc74c, \ubd84\uc218 \ub300\uc2e0 \uc22b\uc790 \ud45c\uae30 \uc0ac\uc6a9\ub428 <strong>#4-40 UNC<\/strong>, <strong>#6-32 UNC<\/strong>, <strong>#10-24 UNC<\/strong>\ub4f1\uacfc \uac19\uc774. \uc22b\uc790\ub294 \uba85\ubaa9 \uc9c0\ub984 \uacf5\uc2dd\uc5d0 \ud574\ub2f9\ud558\uba70: \uba85\ubaa9 \uc9c0\ub984(\uc778\uce58) = (N \u00d7 0.013) + 0.060, \uc5ec\uae30\uc11c N\uc740 \ub098\uc0ac \ubc88\ud638\uc785\ub2c8\ub2e4.<\/p>\n<h3>\ud45c\uc900 UNC \ub098\uc0ac \ud06c\uae30 \ucc28\ud2b8<\/h3>\n<p>\uc544\ub798 \ud45c\ub294 \uc138 \uac00\uc9c0 \ud06c\uae30 \ubc94\uc704\uc5d0\uc11c \uac00\uc7a5 \uc77c\ubc18\uc801\uc73c\ub85c \uc9c0\uc815\ub41c UNC \ub098\uc0ac\ub97c \ub2e4\ub8f9\ub2c8\ub2e4. \uc774\ub294 \uc77c\ubc18 \uc0dd\uc0b0 \ud604\uc7a5\uc5d0\uc11c \uc811\ud558\uac8c \ub418\ub294 \ud06c\uae30\uc785\ub2c8\ub2e4.<\/p>\n<table>\n<thead>\n<tr>\n<th>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/th>\n<th>\uba85\ubaa9 \uc9c0\ub984 (\uc778\uce58)<\/th>\n<th>TPI<\/th>\n<th>\ud0ed \ub4dc\ub9b4 (\uc778\uce58)<\/th>\n<th>\uc8fc\uc694 \uc9c1\uacbd (\uc778\uce58)<\/th>\n<th>\ud53c\uce58 \uc9c1\uacbd (\uc778\uce58)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>#4-40 UNC<\/td>\n<td>0.112<\/td>\n<td>40<\/td>\n<td>#43 (0.089)<\/td>\n<td>0.112<\/td>\n<td>0.0958<\/td>\n<\/tr>\n<tr>\n<td>#6-32 UNC<\/td>\n<td>0.138<\/td>\n<td>32<\/td>\n<td>#36 (0.1065)<\/td>\n<td>0.138<\/td>\n<td>0.1177<\/td>\n<\/tr>\n<tr>\n<td>#8-32 UNC<\/td>\n<td>0.164<\/td>\n<td>32<\/td>\n<td>#29 (0.136)<\/td>\n<td>0.164<\/td>\n<td>0.1437<\/td>\n<\/tr>\n<tr>\n<td>#10-24 UNC<\/td>\n<td>0.190<\/td>\n<td>24<\/td>\n<td>#25 (0.1495)<\/td>\n<td>0.190<\/td>\n<td>0.1629<\/td>\n<\/tr>\n<tr>\n<td>1\/4-20 UNC<\/td>\n<td>0.250<\/td>\n<td>20<\/td>\n<td>#7 (0.201)<\/td>\n<td>0.250<\/td>\n<td>0.2175<\/td>\n<\/tr>\n<tr>\n<td>5\/16-18 UNC<\/td>\n<td>0.3125<\/td>\n<td>18<\/td>\n<td>F (0.257)<\/td>\n<td>0.3125<\/td>\n<td>0.2764<\/td>\n<\/tr>\n<tr>\n<td>3\/8-16 UNC<\/td>\n<td>0.375<\/td>\n<td>16<\/td>\n<td>5\/16 (0.3125)<\/td>\n<td>0.375<\/td>\n<td>0.3344<\/td>\n<\/tr>\n<tr>\n<td>1\/2-13 UNC<\/td>\n<td>0.500<\/td>\n<td>13<\/td>\n<td>27\/64 (0.4219)<\/td>\n<td>0.500<\/td>\n<td>0.4500<\/td>\n<\/tr>\n<tr>\n<td>5\/8-11 UNC<\/td>\n<td>0.625<\/td>\n<td>11<\/td>\n<td>17\/32 (0.5313)<\/td>\n<td>0.625<\/td>\n<td>0.5660<\/td>\n<\/tr>\n<tr>\n<td>3\/4-10 UNC<\/td>\n<td>0.750<\/td>\n<td>10<\/td>\n<td>21\/32 (0.6563)<\/td>\n<td>0.750<\/td>\n<td>0.6850<\/td>\n<\/tr>\n<tr>\n<td>1-8 UNC<\/td>\n<td>1.000<\/td>\n<td>8<\/td>\n<td>7\/8 (0.875)<\/td>\n<td>1.000<\/td>\n<td>0.9188<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2>UNC \ub098\uc0ac\uc0b0 \uce58\uc218 \ubc0f \uc0ac\uc591<\/h2>\n<p>UNC \ub098\uc0ac\uc758 \uae30\ud558\ud559\uc801 \uad6c\uc870\ub97c \uc774\ud574\ud558\uba74 \uc124\uacc4 \ubc0f \uad6c\ub9e4 \uc2dc \ube44\uc6a9\uc774 \ub9ce\uc774 \ub4dc\ub294 \ubd88\uc77c\uce58\ub97c \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub098\uc0ac\uc5d0\ub294 '\uc0c1\uc790 \ud06c\uae30' \uc774\uc0c1\uc758 \uc758\ubbf8\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\ub098\uc0ac \uac01\ub3c4, \ud53c\uce58, TPI<\/h3>\n<p>\ubaa8\ub4e0 UNC \ub098\uc0ac\ub294 <strong>60\u00b0 \ud3ec\ud568 \ub098\uc0ac \uac01\ub3c4<\/strong> \u2014 \uc774\ub294 \ub098\uc0ac \ud615\uc0c1\uc758 \ub05d\uc5d0\uc11c \uce21\uc815\ud558\ub294 \uac01\ub3c4\uc785\ub2c8\ub2e4. \uc774 60\u00b0 \ud504\ub85c\ud30c\uc77c\uc740 ISO \ubbf8\ud130\ubc95 \ub098\uc0ac\uc640 \uacf5\uc720\ub418\uba70, \uc774\ub85c \uc778\ud574 UNC\uc640 \ubbf8\ud130\ubc95 \ub098\uc0ac\ub294 \uac8c\uc774\uc9c0\uc0c1 \uc720\uc0ac\ud558\uac8c \ubcf4\uc774\uc9c0\ub9cc \ud638\ud658\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4 (\ud53c\uce58\uc640 \uc9c1\uacbd \uc2dc\uc2a4\ud15c\uc774 \uc644\uc804\ud788 \ub2e4\ub984).<\/p>\n<p><strong>TPI (\uc778\uce58\ub2f9 \ub098\uc0ac\uc0b0 \uc218)<\/strong> \uc740 UNC \ub098\uc0ac\uc758 \uc815\uc758 \ud53c\uce58 \ub9e4\uac1c\ubcc0\uc218\uc785\ub2c8\ub2e4. \uc774\ub294 1\uc778\uce58 \uc120\ud615\uc5d0 \uba87 \uac1c\uc758 \uc644\uc804\ud55c \ub098\uc0ac\uc120 \ub2a5\uc120\uc774 \ub4e4\uc5b4\uac00\ub294\uc9c0\ub97c \uc54c\ub824\uc90d\ub2c8\ub2e4. 1\/4-20 UNC \ub098\uc0ac\ub294 \ub9e4 \uc778\uce58\ub9c8\ub2e4 20\uac1c\uc758 \ub2a5\uc120\uc774 \uc788\uc2b5\ub2c8\ub2e4. <strong>\ud53c\uce58<\/strong> (\uc778\uce58 \ub2e8\uc704)\ub294 \ub2e8\uc21c\ud788 TPI\uc758 \uc5ed\uc218\uc785\ub2c8\ub2e4:<\/p>\n<blockquote><p>\ud53c\uce58 = 1 \u00f7 TPI<\/p><\/blockquote>\n<p>1\/4-20 UNC\uc758 \uacbd\uc6b0: \ud53c\uce58 = 1 \u00f7 20 = <strong>0.050 \uc778\uce58<\/strong> \ub098\uc0ac\ub2f9. \uc774\uac83\uc774 \ub610\ud55c \ub098\uc0ac\uac00 \ud55c \ubc14\ud034 \ub3cc \ub54c \uc9c4\ud589\ud558\ub294 \uac70\ub9ac\uc785\ub2c8\ub2e4.<\/p>\n<p>\uac70\uce5c UNC \ub098\uc0ac\uc0b0\uc740 \uac19\uc740 \uc9c1\uacbd\uc758 \ubbf8\uc138 UNF \ub098\uc0ac\uc0b0\ubcf4\ub2e4 \ub0ae\uc740 TPI \uac12\uc744 \uac00\uc9d1\ub2c8\ub2e4. 1\/2-13 UNC\ub294 13 TPI\ub97c \uac00\uc9c0\uba70; \uc774\uc5d0 \uc0c1\uc751\ud558\ub294 UNF\ub294 1\/2-20\uc73c\ub85c 20 TPI\uc785\ub2c8\ub2e4. \ub098\uc0ac\ub2f9 \ub098\uc0ac\uac00 \uc801\uc744\uc218\ub85d \ud53c\uce58\uac00 \ucee4\uc9c0\uace0 \uc870\ub9bd\uc774 \ub354 \ube60\ub974\uba70 \uad50\ucc28 \ub098\uc0ac \uccb4\uacb0\uc5d0 \ub300\ud55c \uc800\ud56d\uc774 \ud5a5\uc0c1\ub429\ub2c8\ub2e4.<\/p>\n<h3>\uc8fc\uc694, \ubd80, \ud53c\uce58 \uc9c1\uacbd<\/h3>\n<p>\uc138 \uac00\uc9c0 \uc9c1\uacbd\uc774 UNC \ub098\uc0ac\uc0b0\uc758 \ud615\uc0c1\uc744 \uc815\uc758\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\uc8fc\uc694 \uc9c1\uacbd<\/strong> \u2014 \uac00\uc7a5 \ubc14\uae65\ucabd \ud06c\ub808\uc2a4\ud2b8 \uc9c1\uacbd. \uc774\uac83\uc740 \ub098\uc0ac\uc758 \uc678\ubd80\ub97c \uce98\ub9ac\ud37c\uc2a4\ub85c \uce21\uc815\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. 1\/4-20 UNC\uc758 \uacbd\uc6b0, \uba85\ubaa9\uc0c1 0.250\uc778\uce58\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\ubd80 \uc9c1\uacbd (\ubfcc\ub9ac \uc9c1\uacbd)<\/strong> \u2014 \uac00\uc7a5 \uc791\uc740 \uc9c1\uacbd\uc73c\ub85c, \ub098\uc0ac\uc0b0 \ubfcc\ub9ac\uc5d0\uc11c \uce21\uc815\ub429\ub2c8\ub2e4. \ub098\uc0ac \ub9c8\ucc30\uba74\uc801 \uacc4\uc0b0\uc5d0 \uad00\ub828\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\ud53c\uce58 \uc9c1\uacbd<\/strong> \u2014 \ub098\uc0ac \ub450\uaed8\uc640 \ub098\uc0ac \uac04\uaca9\uc774 \uac19\uc544\uc9c0\ub294 \uc774\ub860\uc801 \uc2e4\ub9b0\ub354\uc785\ub2c8\ub2e4. \uc774\uac83\uc774 \uc2e4\uc81c \ub098\uc0ac \uac8c\uc774\uc9c0\uac00 \uce21\uc815\ud558\ub294 \uac83\uc774\uba70, \uc801\ud569\uc131 \ubd84\ub958\uc5d0 \uac00\uc7a5 \uc911\uc694\ud55c \uce58\uc218\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc5d0 \ub530\ub974\uba74 <a href=\"https:\/\/fpg.phys.virginia.edu\/fpgweb\/useful_info\/UNC_UNF_threads_1.pdf\" target=\"_blank\" rel=\"noopener\">UNC \ubc0f UNF \ub098\uc0ac \uc0ac\uc591\uc758 \uc758\ubbf8<\/a> \ubc84\uc9c0\ub2c8\uc544 \ub300\ud559\uad50 \ubb3c\ub9ac\ud559\uacfc\uc5d0 \ub530\ub974\uba74, \ud53c\uce58 \uc9c1\uacbd\uc740 \uacb0\ud569 \ub098\uc0ac\uac00 \uc870\ub9bd\ub420 \uc218 \uc788\ub294\uc9c0\uc640 \uc5ec\uc720 \uacf5\uac04\uc774 \uc5bc\ub9c8\ub098 \ub418\ub294\uc9c0\ub97c \uacb0\uc815\ud558\ub294 \uae30\ub2a5\uc801 \uce58\uc218\uc785\ub2c8\ub2e4. \ub098\uc0ac\uc758 \ud53c\uce58 \uc9c1\uacbd\uc740 \ud5c8\uc6a9 \uc624\ucc28 \ubc94\uc704 \ub0b4\uc5d0 \uc788\uc5b4\uc57c \ud558\uba70, \ud574\ub2f9 \ub4f1\uae09\uc5d0 \uc801\ud569\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<h3>\ub098\uc0ac \ub4f1\uae09: 1A, 2A, 3A (\ubc0f 1B, 2B, 3B)<\/h3>\n<p>\ub098\uc0ac \ub4f1\uae09\uc740 UNC \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uac00\uc7a5 \uc624\ud574\ubc1b\uae30 \uc26c\uc6b4 \uc0ac\uc591\uc774\uba70, \uc774\ub97c \uc798\ubabb \uc774\ud574\ud558\uba74 \uc0dd\uc0b0 \ud604\uc7a5\uc5d0\uc11c \uc870\ub9bd \uc2e4\ud328\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc678\ubd80 \ub098\uc0ac(A)\uc640 \ub0b4\ubd80 \ub098\uc0ac(B)\uc5d0 \ub300\ud574 \uac01\uac01 \uc138 \uac00\uc9c0 \ub4f1\uae09\uc774 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<table>\n<thead>\n<tr>\n<th>\ub4f1\uae09<\/th>\n<th>\ud5c8\uc6a9 \uc624\ucc28<\/th>\n<th>\uc5ec\uc720 \uacf5\uac04<\/th>\n<th>\uc77c\ubc18\uc801\uc778 \uc6a9\ub3c4<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1A \/ 1B<\/td>\n<td>\uac00\uc7a5 \ub290\uc2a8\ud568<\/td>\n<td>\ub300\ud615<\/td>\n<td>\ub300\ub7b5\uc801\uc778 \uc791\uc5c5, \ube60\ub978 \uc870\ub9bd, \ud604\uc7a5 \uc218\ub9ac<\/td>\n<\/tr>\n<tr>\n<td>2A \/ 2B<\/td>\n<td>\ud45c\uc900<\/td>\n<td>\ubcf4\ud1b5<\/td>\n<td><strong>\ubc94\uc6a9 \ube60\uc2a4\ub108 (\ubaa8\ub4e0 \uc801\uc6a9 \ubd84\uc57c\uc758 95%)<\/strong><\/td>\n<\/tr>\n<tr>\n<td>3A \/ 3B<\/td>\n<td>\uac00\uc7a5 \uc870\uc784<\/td>\n<td>\ucd5c\uc18c\/\uc5c6\uc74c<\/td>\n<td>\uc815\ubc00 \uc870\ub9bd, \ud56d\uacf5\uc6b0\uc8fc, \uacf5\uad6c \uc81c\uc791<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>2A\/2B \ub4f1\uae09\uc740 \uc791\uc5c5\uc6a9\uc785\ub2c8\ub2e4.<\/strong> \ud45c\uc900 \uc721\uac01 \uba38\ub9ac \ub098\uc0ac\ub97c \uc120\ubc18\uc5d0\uc11c \uad6c\ub9e4\ud560 \ub54c \uac70\uc758 \ud655\uc2e4\ud788 2A \ub4f1\uae09\uc785\ub2c8\ub2e4. 2B \ub098\uc0ac\uc0b0 \uad6c\uba4d\uc740 2A \ubcfc\ud2b8\uc5d0 \uc77c\uc815\ud55c \uc5ec\uc720\ub97c \ud5c8\uc6a9\ud558\uc5ec \uc870\ub9bd\uc744 \ube60\ub974\uac8c \ud558\uba74\uc11c\ub3c4 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ud074\ub7a8\ud551\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>3A\/3B \ub4f1\uae09<\/strong> \ub098\uc0ac\uc0b0\uc740 \ub354 \uc5c4\uaca9\ud55c \uacf5\ucc28\ub85c \uc808\ub2e8\ub429\ub2c8\ub2e4 \u2014 \uc77c\ubc18\uc801\uc73c\ub85c \ud53c\uce58 \uc9c1\uacbd\uc5d0\uc11c \u00b10.0005\uc778\uce58, 2\ub4f1\uae09\uc740 \u00b10.001\uc778\uce58\uc785\ub2c8\ub2e4. \uc2e4\uc81c\ub85c, 3\ub4f1\uae09 \ub098\uc0ac\uc0b0\uc740 \uc0dd\uc0b0 \uc2dc \uacf5\ucc28\ub97c \uc9c0\uc18d\uc801\uc73c\ub85c \uc720\uc9c0\ud558\uae30 \uc704\ud574 \ub354 \uae68\ub057\ud55c \uacf5\uad6c, \ub290\ub9b0 \ud0dc\ud551 \uc18d\ub3c4, \uc2e0\uc120\ud55c \uc808\ub2e8 \uc720\uccb4\uac00 \ud544\uc694\ud558\ub2e4\ub294 \uac83\uc744 \uc54c\uac8c \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc5b4\ub835\uc9c0 \uc54a\uc9c0\ub9cc, \uc77c\ubc18 \ubd80\ud488\ucc98\ub7fc \ucde8\uae09\ud560 \uc218\ub294 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>1A\/1B \ub4f1\uae09<\/strong> \ub098\uc0ac\uc0b0\uc740 \uc758\ub3c4\uc801\uc73c\ub85c \uba85\uc2dc\ub418\uc9c0 \uc54a\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \ub0ae\uc740 \uc815\ubc00\ub3c4\uc758 \uc8fc\uc870\ud488, \ud50c\ub77c\uc2a4\ud2f1, \ube60\ub978 \uacb0\ud569\uc774 \uc815\ubc00\ub3c4\ubcf4\ub2e4 \uc911\uc694\ud55c \uc801\uc6a9 \ubd84\uc57c\uc5d0\uc11c \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. 1A \ub4f1\uae09 \ub098\uc0ac\ub294 2B \uad6c\uba4d\uc5d0 \ud754\ub4e4\ub9b4 \uc218 \uc788\ub294\ub370 \u2014 \ub54c\ub85c\ub294 \ud5c8\uc6a9\ub418\uc9c0\ub9cc, \ub300\ubd80\ubd84 \uadf8\ub807\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>UNC\uc640 UNF \ubc0f \uae30\ud0c0 \ub098\uc0ac \uc720\ud615<\/h2>\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/04\/unc-thread-types.jpg\" alt=\"\uc0b0\uc5c5 \ubc0f \uc81c\uc870 \ud658\uacbd\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 1\/2\uc778\uce58-13 UNC \ubc0f 1\/2\uc778\uce58-20 UNF \ud06c\uae30\uc758 UNC \uac70\uce5c \ub098\uc0ac\uc0b0\uacfc UNF \ubbf8\uc138 \ub098\uc0ac\uc0b0\uc774 \ubcf4\uc5ec\uc9c0\ub294 \uc721\uac01 \ubcfc\ud2b8\uc758 \ud074\ub85c\uc988\uc5c5.\"  > <\/figure>\n<p>UNC\ub294 \ub9cc\ub098\ub294 \uc720\uc77c\ud55c \ub098\uc0ac \ud45c\uc900\uc774 \uc544\ub2d9\ub2c8\ub2e4. \uc5b8\uc81c UNC\uc5d0\uc11c \ubc97\uc5b4\ub098\uc57c \ud558\ub294\uc9c0, \uc5b8\uc81c \ubc97\uc5b4\ub098\uc9c0 \uc54a\uc544\uc57c \ud558\ub294\uc9c0 \ud310\ub2e8\ud558\ub294 \uac83\uc740 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc2dc\uac04\uc744 \uc808\uc57d\ud558\uace0 \uc7ac\uc791\uc5c5\uc744 \ubc29\uc9c0\ud558\ub294 \ud310\ub2e8\uc785\ub2c8\ub2e4.<\/p>\n<h3>UNC\uc640 UNF: \uac01\uac01 \uc5b8\uc81c \uc0ac\uc6a9\ud558\ub294\uac00<\/h3>\n<p><strong>UNC (\uac70\uce5c \ub098\uc0ac)<\/strong> \uae30\ubcf8\uac12\uc73c\ub85c \uc0bc\uc544\uc57c \ud569\ub2c8\ub2e4. \ub354 \ube60\ub974\uac8c \uc870\ub9bd\ub418\uace0, \uc791\uc740 \ub098\uc0ac\uc0b0 \uc190\uc0c1\uacfc \uc624\uc5fc\uc744 \ub354 \uc798 \uacac\ub514\uba70, \uc0c1\ud488 \uc720\ud1b5\uc5c5\uccb4\uc5d0\uc11c \ub354 \ub2e4\uc591\ud55c \uc7ac\ub8cc\uc640 \ucf54\ud305\uc73c\ub85c \uc81c\uacf5\ub429\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284, \ud669\ub3d9, \ud50c\ub77c\uc2a4\ud2f1\uacfc \uac19\uc740 \uc5f0\uc131 \uc7ac\ub8cc\uc5d0\uc11c\ub294 \ub354 \uac70\uce5c \ud53c\uce58\uac00 \ub2e8\uc704 \uae38\uc774\ub2f9 \ub354 \ub098\uc740 \ub098\uc0ac\uc0b0 \uc811\ucd09\uc744 \uc81c\uacf5\ud558\uace0, \ubc97\uaca8\uc9c8 \uc704\ud5d8\uc744 \uc904\uc785\ub2c8\ub2e4.<\/p>\n<p><strong>UNF (\uac00\ub294 \ub098\uc0ac)<\/strong> \ub2e4\uc74c \uacbd\uc6b0\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uc9c4\ub3d9 \uc800\ud56d\uc774 \uac00\uc7a5 \uc911\uc694\ud55c \uacbd\uc6b0 (\uac00\ub294 \ub098\uc0ac\uc0b0\uc740 \ubc18\ubcf5 \ud558\uc911 \ud558\uc5d0\uc11c \ub290\uc2a8\ud574\uc9c8 \uac00\ub2a5\uc131\uc774 \uc801\uc73c\uba70 \u2014 \ub354 \uc791\uc740 \ub098\uc120\uac01\uc774 \ub354 \ub9ce\uc740 \ub9c8\ucc30\uc744 \uc0dd\uc131\ud558\uae30 \ub54c\ubb38)<\/li>\n<li>\ubcbd \ub450\uaed8\ub294 \uc81c\ud55c\uc801\uc785\ub2c8\ub2e4 (\uac00\ub294 \ub098\uc0ac\uc0b0\uc740 \ub3d9\uc77c \ubcfc\ud2b8 \uc9c1\uacbd\uc5d0 \ub300\ud574 \ub354 \uc791\uc740 \ud0ed \ub4dc\ub9b4\uc744 \ud5c8\uc6a9\ud569\ub2c8\ub2e4)<\/li>\n<li>\ub354 \ubbf8\uc138\ud55c \ud1a0\ud06c \ud574\uc0c1\ub3c4\uac00 \ud544\uc694\ud569\ub2c8\ub2e4 \u2014 \uac00\ub294 \ub098\uc0ac\uc0b0\uc740 \ud68c\uc804\ub2f9 \ub354 \uc801\uac8c \uc9c4\ud589\ub418\uc5b4 \ud1a0\ud06c \uc870\uc808 \uc2dc \ub354 \ub9ce\uc740 \uc81c\uc5b4\ub825\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4<\/li>\n<li>\uc774 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc740 \uc790\ub3d9\ucc28\uc6a9\uc785\ub2c8\ub2e4 (\uc790\ub3d9\ucc28 \uc0b0\uc5c5\uc758 \ub9ce\uc740 \ubd80\ubd84\uc774 \uc9c4\ub3d9\uc774 \ub9ce\uc740 \uc870\ub9bd\uc5d0 UNF\ub97c \ud45c\uc900\uc73c\ub85c \uc0ac\uc6a9\ud569\ub2c8\ub2e4)<\/li>\n<\/ul>\n<p>\ud2b8\ub808\uc774\ub4dc\uc624\ud504: UNF \ub098\uc0ac\uc0b0\uc740 \uc870\ub9bd \uc2dc \ub354 \uc27d\uac8c \uad50\ucc28 \ub098\uc0ac\uc0b0\uc774 \ubc1c\uc0dd\ud558\uba70, \uc0c1\ud488\uc6a9 \ub098\uc0ac\ub85c\uc11c \ube44\uc6a9\uc774 \ub354 \ub4e4\uace0, \ub098\uc0ac \uad6c\uba4d\uc5d0 \uc774\ubb3c\uc9c8\uc774 \uc788\uc744 \ub54c \ub354 \ubbfc\uac10\ud569\ub2c8\ub2e4<\/p>\n<p>\uc0dd\uc0b0\uc6a9 \ub098\uc0ac\uc5d0 \ub300\ud574 \ud2b9\ubcc4\ud788: <strong>UNF \uc0ac\uc6a9\uc5d0 \uac15\ud55c \uc774\uc720\uac00 \uc5c6\ub2e4\uba74 UNC\ub97c \uc0ac\uc6a9\ud558\uc138\uc694<\/strong> \uc0dd\uc0b0 \ud658\uacbd\uc740 \uc870\ub9bd \uc791\uc5c5\uc790\uac00 \ub354 \ube60\ub974\uac8c \ucc38\uc5ec\ud560 \uc218 \uc788\uace0 \uad50\ucc28 \ub098\uc0ac\uc0b0\uc774 \uc801\uc73c\uba70, \ub354 \ub113\uc740 \ud53c\uce58\ub85c \uc778\ud574 \uc791\uc5c5 \uac04 \ub098\uc0ac\uc0b0\uc744 \uccad\uc18c\ud558\uae30 \uc27d\uae30 \ub54c\ubb38\uc5d0 \uac70\uce5c \ub098\uc0ac\uc0b0\uc744 \uc120\ud638\ud569\ub2c8\ub2e4<\/p>\n<h3>UNC\uc640 \ubbf8\ud130\ubc95 \ub098\uc0ac\uc0b0<\/h3>\n<p>UNC\uc640 ISO \ubbf8\ud130\ubc95 \ub098\uc0ac\uc0b0\uc740 \ubaa8\ub450 60\u00b0 \ub098\uc0ac \ud615\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc9c0\ub9cc, <strong>\ud638\ud658\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4<\/strong>. \uc8fc\uc694 \ucc28\uc774\uc810:<\/p>\n<ul>\n<li><strong>UNC<\/strong> \uc778\uce58\ub2f9 \ub098\uc0ac \uc218(TPI)\ub85c \ud53c\uce58\ub97c \uc9c0\uc815\ud569\ub2c8\ub2e4; <strong>\ubbf8\ud130\ubc95<\/strong> \ubc00\ub9ac\ubbf8\ud130 \ub2e8\uc704\ub85c \ub098\uc0ac \ud53c\uce58\ub97c \uc9c0\uc815\ud569\ub2c8\ub2e4<\/li>\n<li>1\/4-20 UNC \ubcfc\ud2b8\ub294 \uc8fc\uc694 \uc9c1\uacbd\uc774 0.250\uc778\uce58\uc774\uace0 \ud53c\uce58\uac00 0.050\uc778\uce58\uc785\ub2c8\ub2e4; \uac00\uc7a5 \uac00\uae4c\uc6b4 \ubbf8\ud130\ubc95 \ub4f1\uac00\ub294 M6\u00d71.0(\uc9c1\uacbd 6.0mm, \ud53c\uce58 1.0mm, \uc57d 25.4 TPI)\uc785\ub2c8\ub2e4 \u2014 \ud06c\uae30\ub294 \ube44\uc2b7\ud558\uc9c0\ub9cc, \uc5b4\ub290 \ucabd\ub3c4 \uc11c\ub85c \ub9de\ubb3c\ub9ac\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4<\/li>\n<li>\ub098\uc0ac \uac04 \uae4a\uc774\uc640 \ud06c\ub77c\uc6b4\/\ub8e8\ud2b8 \ubc18\uacbd\uc774 \uc57d\uac04 \ub2e4\ub974\uae30 \ub54c\ubb38\uc5d0, \uc9c1\uacbd\uc774 \ube44\uc2b7\ud558\ub354\ub77c\ub3c4 \ud638\ud658\uc774 \ubd88\uac00\ub2a5\ud569\ub2c8\ub2e4<\/li>\n<\/ul>\n<p>\uc2e4\uc81c \uc801\uc6a9 \uc2dc: <strong>UNC\uc640 \ubbf8\ud130\ubc95 \ub098\uc0ac\uc0b0\uc744 \uc11e\uc5b4 \uc0ac\uc6a9\ud558\ub824\uace0 \ud558\uc9c0 \ub9c8\uc138\uc694<\/strong>, \uc2ec\uc9c0\uc5b4 \ucc98\uc74c\uc5d0\ub294 \ub9de\ubb3c\ub9ac\ub354\ub77c\ub3c4. \uacb0\uacfc\ub294 \uac00\uacf5\ub41c \ub098\uc0ac\uc0b0\uc774 \ub07c\uac70\ub098, \uc2a4\ud2b8\ub9bd\ub418\uac70\ub098, \ud558\uc911\uc744 \ubc1b\uc744 \ub54c \ube60\uc9c0\ub294 \ub098\uc0ac\uc785\ub2c8\ub2e4. \ub098\uc0ac \uba38\ub9ac\uc5d0 \uc0c9\uc0c1 \ucf54\ub4dc \ub610\ub294 \uc2a4\ud0ec\ud504\ub85c \ud45c\uc2dc\ub41c \uc2dd\ubcc4 \ud45c\uc2dc\ub294 \uc774\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uc874\uc7ac\ud569\ub2c8\ub2e4.<\/p>\n<h3>UNC\uc640 NPT: \ud638\ud658\ub418\ub098\uc694?<\/h3>\n<p>\uc544\ub2c8\uc694 \u2014 \ube44\ub85d \ubaa8\ub450 \uc778\uce58 \uae30\ubc18 \uc2dc\uc2a4\ud15c\uc774\uc9c0\ub9cc, \uc804\ud600 \ub2e4\ub985\ub2c8\ub2e4. \uc774 \ud63c\ub780\uc740 \ubc30\uad00 \ubc0f \uc720\uc555 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \uc815\uae30\uc801\uc73c\ub85c \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>UNC \ub098\uc0ac\uc0b0\uc740 \ud3c9\ud589(\uc9c1\uc120)\uc785\ub2c8\ub2e4<\/strong> \uc8fc\uc694 \uc9c1\uacbd\uc740 \ub098\uc0ac\uc120\uc758 \uae38\uc774 \uc804\uccb4\uc5d0 \uac78\uccd0 \uc77c\uc815\ud569\ub2c8\ub2e4. \uc774\ub4e4\uc740 \uc704\ud574 \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4 <a href=\"https:\/\/productionscrews.com\/ko\/essential-guide-to-fastener-installation-why-clamp-load-beats-torque-every-time\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"895\">\uccb4\uacb0\uad6c \uc0ac\uc774\uc758 \ud074\ub7a8\ud551 \ud558\uc911<\/a>.<\/p>\n<p><strong>NPT(\uad6d\uac00 \ud30c\uc774\ud504 \ud14c\uc774\ud37c) \ub098\uc0ac\uc0b0\uc740 \ud14c\uc774\ud37c\ud615\uc785\ub2c8\ub2e4<\/strong> \u2014 \uc9c1\uacbd\uc774 \ub098\uc0ac\uc120\uc744 \ub530\ub77c \uc774\ub3d9\ud558\uba74\uc11c \uc99d\uac00\ud558\uc5ec, \ub098\uc0ac\uc120\uc774 \ub9de\ubb3c\ub9ac\uba74\uc11c \uac04\uc12d \ubc00\ubd09\uc744 \ub9cc\ub4ed\ub2c8\ub2e4. NPT\ub294 \ud30c\uc774\ud504 \ubc0f \uc720\uccb4 \uc5f0\uacb0\uc5d0 \uc0ac\uc6a9\ub418\ub294 \ubc00\ubd09 \ub098\uc0ac\uc0b0 \ud45c\uc900\uc785\ub2c8\ub2e4.<\/p>\n<p>1\/4\uc778\uce58 NPT \ud53c\ud305\uacfc 1\/4-20 UNC \ubcfc\ud2b8\ub294 \uc81c\ub300\ub85c \ub9de\ubb3c\ub9ac\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uac15\uc81c\ub85c \ub07c\uc6b0\ub354\ub77c\ub3c4 \ubc00\ubd09\uc774 \ub418\uc9c0 \uc54a\uc73c\uba70 \uc758\ubbf8 \uc788\ub294 \ub098\uc0ac \uccb4\uacb0\uc774 \uc774\ub8e8\uc5b4\uc9c0\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ud56d\uc0c1 \ud655\uc778\ud558\uc2ed\uc2dc\uc624. <a href=\"https:\/\/productionscrews.com\/ko\/vehicle-threads\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"896\">\ub098\uc0ac\uc120 \uc720\ud615\ubcc4<\/a> \ub098\uc0ac \ubd80\ud488\uc774 \uc788\ub294 \ud30c\uc774\ud504 \ud53c\ud305\uc744 \uc870\ub9bd\ud558\uae30 \uc804\uc5d0.<\/p>\n<hr \/>\n<h2>UNC \ub098\uc0ac\uc0b0\uc758 \uc0b0\uc5c5 \uc751\uc6a9 \ubd84\uc57c<\/h2>\n<p>UNC \ub098\uc0ac\uc0b0 \ud45c\uc900\uc740 \ubaa8\ub4e0 \uc6a9\ub3c4\uc5d0 \uc77c\ub960\uc801\uc774\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4 \u2014 \ub2e4\uc591\ud55c \uc0b0\uc5c5\uc5d0\uc11c\ub294 \uc790\uc2e0\ub4e4\uc758 \uc791\uc5c5\uc5d0 \uc9c0\ubc30\uc801\uc778 UNC \ud06c\uae30\uc640 \ub4f1\uae09\uc5d0 \ub300\ud55c \uad00\uc2b5\uc744 \ubc1c\uc804\uc2dc\ucf1c \uc654\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\uc0dd\uc0b0 \ubc0f \uc81c\uc870<\/h3>\n<p>\uc0dd\uc0b0\uc6a9 \ub098\uc0ac\ub294 UNC \ub098\uc0ac\uc0b0\uc758 \uac00\uc7a5 \ub192\uc740 \ubcfc\ub968 \uc751\uc6a9\uc785\ub2c8\ub2e4. \uc18c\ube44\uc790 \uc804\uc790\uc81c\ud488, \uac00\uc804\uc81c\ud488, HVAC \uc7a5\ube44, \uc0b0\uc5c5 \uae30\uacc4\uc758 \uc870\ub9bd \ub77c\uc778\uc740 \ub9e4\ub144 \uc218\uc2ed\uc5b5 \uac1c\uc758 UNC \ud328\uc2a4\ub108\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc774 \ub9e5\ub77d\uc5d0\uc11c \uc9c0\ubc30\uc801\uc778 \ud06c\uae30\ub294 <strong>#6-32, #8-32, #10-24, 1\/4-20<\/strong>, \uadf8\ub9ac\uace0 <strong>5\/16-18<\/strong> \u2014 \uac15\ub3c4, \uc870\ub9bd \uc18d\ub3c4, \uc77c\ubc18 \uc804\ub3d9 \uacf5\uad6c\uc640\uc758 \ud638\ud658\uc131\uc758 \uade0\ud615\uc744 \uc704\ud574 \uc120\ud0dd\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc0dd\uc0b0 \ud658\uacbd\uc5d0\uc11c\ub294 \uc138 \uac00\uc9c0 \uc694\uc18c\uac00 \ub2e4\ub978 \uc5b4\ub5a4 \uac83\ubcf4\ub2e4 UNC \ub098\uc0ac\uc0b0 \uc120\ud0dd\uc744 \uc88c\uc6b0\ud569\ub2c8\ub2e4:<\/p>\n<ol>\n<li><strong>\ub4dc\ub77c\uc774\ubc84 \ud638\ud658\uc131<\/strong> \u2014 \ub300\ubd80\ubd84\uc758 \ud45c\uc900 \uc18c\ucf13 \uc138\ud2b8, \ud1a0\ud06c \ub80c\uce58, \uacf5\uae30 \uacf5\uad6c\ub294 \uc77c\ubc18 UNC \ud328\uc2a4\ub108\uc5d0 \ub9de\uac8c \ud06c\uae30 \uc870\uc815\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc791\uc740 UNC \ud06c\uae30 \uc138\ud2b8\ub85c \ud45c\uc900\ud654\ud558\uba74 \uacf5\uad6c \uc7ac\uace0\ub97c \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\ucf54\ud305 \ubc0f \ub9c8\uac10<\/strong> \u2014 \uc544\uc5f0 \ub3c4\uae08, \ube14\ub799 \uc0b0\ud654\ubb3c, \uae30\uacc4\uc801 \uc544\uc5f0\ub3c4\uae08\uc740 \ubaa8\ub450 UNC \uac70\uce5c \ud53c\uce58 \uae30\ud558\ud559\uc5d0 \ucd5c\uc801\ud654\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ubbf8\uc138 \ub098\uc0ac\uc120\uc740 \ub354 \ub9ce\uc740 \ub3c4\uae08 \ubcc0\uc774\ub97c \uac00\ub450\uc5b4 \ub098\uc0ac \ub4f1\uae09 \uc801\ud569\uc131\uc5d0 \uc601\ud5a5\uc744 \uc904 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc7ac\uc0ac\uc6a9 \uac00\ub2a5\uc131<\/strong> \u2014 \uac70\uce5c \ub098\uc0ac\uc120\uc740 \uc5ec\ub7ec \uc870\ub9bd\/\ubd84\ud574 \uc0ac\uc774\ud074\uc744 \ub354 \uc798 \uacac\ub514\uba70, \uc774\ub294 \ubc18\ubcf5\uc801\uc73c\ub85c \uace0\uc815\ub418\uace0 \ud574\uc81c\ub418\ub294 \uc0dd\uc0b0\uc6a9 \uace0\uc815\uad6c\uc640 \uc9c0\uadf8\uc5d0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<h3>\uac74\uc124 \ubc0f \uad6c\uc870\uc6a9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/h3>\n<p>\uad6c\uc870\uc6a9 \uac15\ucca0 \uad6c\uc870\ub294 \ub300\ud615 \uc9c1\uacbd UNC \ub098\uc0ac\uc0b0\uc5d0 \ud06c\uac8c \uc758\uc874\ud569\ub2c8\ub2e4: <strong>3\/4-10, 7\/8-9, 1-8, 1 1\/4-7<\/strong>ASTM A307, A325, \ubc0f A490 \uaddc\uaca9 \ubcfc\ud2b8 \u2014 \uad6c\uc870 \uc5f0\uacb0\uc758 \ud575\uc2ec \ubd80\ud488 \u2014 \ubaa8\ub450 \uac70\uce5c UNC \ub098\uc0ac\uc0b0\uc73c\ub85c \uc81c\uc870\ub429\ub2c8\ub2e4. \uadf8 \uc774\uc720\ub294 \uac04\ub2e8\ud569\ub2c8\ub2e4: \ub300\uacbd\ub3c4 \uac70\uce5c \ub098\uc0ac\uc0b0\uc774 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ud558\uc911 \uc804\ub2ec\uc744 \uc704\ud574 \ud544\uc694\ud55c \ub098\uc0ac\uc0b0 \uc811\uc18d \uae4a\uc774\ub97c \uc81c\uacf5\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. <a href=\"https:\/\/productionscrews.com\/ko\/car-body-connecting-bolts-application-engineers-essential-guide-to-vehicle-safety\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"898\">\ubcfc\ud2b8 \uc5f0\uacb0<\/a> \uc6a9\uc811\ub41c \uad6c\uc870\uc6a9 \uac15\ucca0\uc5d0\uc11c \uc815\ubc00 \ub098\uc0ac\uac00 \ud544\uc694\ud55c \uc815\ubc00 \uac00\uacf5 \uc5c6\uc774.<\/p>\n<p>\ucf58\ud06c\ub9ac\ud2b8\uc5d0 \uc8fc\uc870\ub41c \uc575\ucee4 \ubcfc\ud2b8\ub294 \uac70\uc758 \ubaa8\ub450 UNC\uc785\ub2c8\ub2e4. \ub178\ucd9c\ub41c \ub098\uc0ac\uc120 \ubd80\ubd84\uc740 \uba3c\uc9c0, \ucf58\ud06c\ub9ac\ud2b8 \uc794\uc5ec\ubb3c, \uac00\ubcbc\uc6b4 \ubd80\uc2dd \ub4f1 \ud604\uc7a5 \uc870\uac74\uc744 \uacac\ub38c\uc57c \ud558\uba70, \uc774\ub294 \ubbf8\uc138 \ub098\uc0ac\uc120\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc5c6\uac8c \ub9cc\ub4ed\ub2c8\ub2e4.<\/p>\n<h3>\uc790\ub3d9\ucc28 \ubc0f \ud56d\uacf5 \uc6b0\uc8fc \uc6a9\ub3c4<\/h3>\n<p><strong>\uc790\ub3d9\ucc28<\/strong> \uc870\ub9bd\uc5d0 \ub530\ub77c UNC\uc640 UNF\ub85c \ub098\ub258\ub294 \uc751\uc6a9 \ubd84\uc57c. \uc100\uc2dc \ubc0f \uad6c\uc870\uc6a9 \ud328\uc2a4\ub108\ub294 \uc77c\ubc18\uc801\uc73c\ub85c UNC\ub97c \uc0ac\uc6a9\ud558\uba70; \uace0\uc9c4\ub3d9 \uad6c\uc5ed(\ud5e4\ub4dc \ubcfc\ud2b8, \ub85c\ub4dc \ubcfc\ud2b8, \uba54\uc778 \ucea1 \ubcfc\ud2b8)\uc758 \uc5d4\uc9c4 \ud328\uc2a4\ub108\ub294 \uc885\uc885 UNF \ub610\ub294 \ud2b9\uc218 \ubbf8\uc138 \ub098\uc0ac\uc0b0 \uad6c\uc131\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. 20\uc138\uae30 \uc911\ubc18 \uc774\ud6c4 \ud55c\uad6d\uc5d0\uc11c \uc81c\uc791\ub41c \ucc28\ub7c9\uc740 \uc555\ub3c4\uc801\uc73c\ub85c UNC\uc600\uc73c\uba70; \ud604\ub300 \ucc28\ub7c9\uc740 \uc124\uacc4 \uad6d\uac00\uc5d0 \ub530\ub77c UNC, UNF, \ubbf8\ud130 \uaddc\uaca9\uc774 \ud63c\ud569\ub418\uc5b4 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<p><strong>\ud56d\uacf5\uc6b0\uc8fc<\/strong> \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c\ub294 \ub35c \uc911\uc694\ud55c \ube44\uad6c\uc870\uc801 \uc751\uc6a9\uc5d0 UNC\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc548\uc804\uc774 \uc911\uc694\ud55c \ud56d\uacf5 \uc6b0\uc8fc\uc6a9 \ud328\uc2a4\ub108\ub294 \ub354 \uc790\uc8fc UNF \ub610\ub294 UNJF(\ud53c\ub85c \uc800\ud56d\uc744 \uc704\ud55c \uc81c\uc5b4\ub41c \ub8e8\ud2b8 \ubc18\uacbd\uc774 \uc788\ub294)\ub97c \uc9c0\uc815\ud558\ub294 \ud2b9\uc218 \ud45c\uc900(NAS, MS \uc2dc\ub9ac\uc988)\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ud56d\uacf5 \uc6b0\uc8fc\uc5d0\uc11c\ub3c4 UNC\ub294 \uc9c0\uc0c1 \uc9c0\uc6d0 \uc7a5\ube44, \uacf5\uad6c, \ube44\ud589 \ube44\uad6c\uc870 \ud558\ub4dc\uc6e8\uc5b4\uc5d0 \ub098\ud0c0\ub0a9\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>UNC \ub098\uc0ac\uc0b0 \uc120\ud0dd \ubc0f \uaddc\uaca9 \ubc29\ubc95<\/h2>\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/04\/unc-thread-howto.jpg\" alt=\"\uc0b0\uc5c5\uc6a9 \ud50c\ub79c\uc9c0 \ubcfc\ud2b8 - DingLong.\"  > <\/figure>\n<p>\uac01 \ub9e4\uac1c\ubcc0\uc218\uac00 \ubb34\uc5c7\uc744 \uc81c\uc5b4\ud558\ub294\uc9c0 \uc774\ud574\ud558\uba74 \uc801\ud569\ud55c UNC \ub098\uc0ac\uc0b0\uc744 \uc120\ud0dd\ud558\ub294 \uac83\uc740 \uac04\ub2e8\ud569\ub2c8\ub2e4.<\/p>\n<h3>1\ub2e8\uacc4: \uc9c1\uacbd\uacfc TPI \uc120\ud0dd<\/h3>\n<p>\uad6c\uc870\uc801 \uc694\uad6c \uc0ac\ud56d\ubd80\ud130 \uc2dc\uc791\ud558\uc138\uc694. \uc5bc\ub9c8\ub098 \uac15\ud55c \ud074\ub7a8\ud551 \ud798\uc774 \ud544\uc694\ud569\ub2c8\uae4c? \ub098\uc0ac\uc0b0\uc744 \ub123\uc744 \uc7ac\ub8cc\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c? \ub2f5\ubcc0\uc774 \uc9c1\uacbd \uc120\ud0dd\uc744 \uc774\ub055\ub2c8\ub2e4.<\/p>\n<p><strong>\uc751\uc6a9 \ubd84\uc57c\ubcc4 \uc548\ub0b4:<\/strong><\/p>\n<ul>\n<li>\uc587\uc740 \ud310\uae08(0.040\u20130.125\uc778\uce58): #4-40, #6-32 \ub610\ub294 #8-32. \uac70\uce5c \ub098\uc0ac\uc0b0\uc774 \uc587\uc740 \ubd80\ubd84\uc5d0\uc11c \ub354 \uc88b\uc740 \uc811\ucd09\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc77c\ubc18 \uae30\uacc4 \uc870\ub9bd(\uc54c\ub8e8\ubbf8\ub284, \uac15\ucca0 \uc8fc\uc870): \ud558\uc911\uc5d0 \ub530\ub77c #10-24\uc5d0\uc11c 3\/8-16\uae4c\uc9c0<\/li>\n<li>\ubb34\uac70\uc6b4 \uad6c\uc870 \uc5f0\uacb0: 1\/2-13 \uc774\uc0c1<\/li>\n<li>\uc815\ubc00 \uc870\uc815(\ubbf8\uc138 \ub3d9\uc791 \uc81c\uc5b4): \uc774 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub3c4 UNF\ub97c \uace0\ub824\ud558\uc138\uc694<\/li>\n<\/ul>\n<p><strong>\uc811\ucd09 \uae38\uc774\uc758 \uacbd\ud5d8 \ubc95\uce59<\/strong>: \uac15\ucca0-\uac15\ucca0 \uacb0\ud569\uc758 \uacbd\uc6b0, \ub098\uc0ac\uc0b0 \uc811\ucd09 \uae38\uc774\ub294 <strong>\ud328\uc2a4\ub108 \uc9c1\uacbd\uc758 1\ubc30<\/strong> \uac00 \uc778\uc7a5 \uac15\ub3c4\ub97c \uc644\uc804\ud788 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ub610\ub294 \ub354 \ubd80\ub4dc\ub7ec\uc6b4 \uc7ac\ub8cc\uc758 \uacbd\uc6b0, <strong>\uc9c1\uacbd\uc758 1.5\ubc30\uc5d0\uc11c 2\ubc30\ub97c \uc0ac\uc6a9\ud558\uc5ec<\/strong> \uc804\ub2e8 \uac15\ub3c4 \uc800\ud558\ub97c \ubcf4\uc644\ud558\uc138\uc694.<\/p>\n<p>\uc9c1\uacbd\uc774 \uc815\ud574\uc9c0\uba74, TPI\ub294 \ud45c\uc900\uc5d0 \ub530\ub77c \uacb0\uc815\ub429\ub2c8\ub2e4 \u2014 \uc9c1\uacbd\ub2f9 \ud558\ub098\uc758 UNC TPI\ub9cc \uc788\uc2b5\ub2c8\ub2e4. \ub450 \uac00\uc9c0\ub97c \ub3c5\ub9bd\uc801\uc73c\ub85c \uc120\ud0dd\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>2\ub2e8\uacc4: \ub098\uc0ac \ub4f1\uae09 \uc120\ud0dd<\/h3>\n<p>\uae30\ubcf8\uac12\uc73c\ub85c <strong>\ud074\ub798\uc2a4 2A\/2B<\/strong> \uc774\ud0c8\ud560 \uc774\uc720\uac00 \uc5c6\ub294 \uacbd\uc6b0. \ub2e4\uc74c\uacfc \uac19\uc740 \uacbd\uc6b0\uc5d0\ub294 \ud074\ub798\uc2a4 3A\/3B\ub97c \uba85\uc2dc\ud558\uc2ed\uc2dc\uc624:<\/p>\n<ul>\n<li>\uc870\uc778\ud2b8\uac00 \ucd5c\uc18c\ud55c\uc758 \uc720\uaca9(\uc815\ubc00 \uc704\uce58 \uc9c0\uc815, \uad11\ud559 \uc7a5\ube44, \uac8c\uc774\uc9c0 \uace0\uc815\uc7a5\uce58)\uc744 \ud544\uc694\ub85c \ud568<\/li>\n<li>\ud1a0\ud06c \uc81c\ud55c\uc774 \ub108\ubb34 \ud0c0\uc774\ud2b8\ud558\uc5ec \uc720\uaca9\uc774 \ud074 \uacbd\uc6b0 \ud074\ub7a8\ud504 \ud558\uc911\uc774 \uc77c\uad00\ub418\uc9c0 \uc54a\uc744 \uc218 \uc788\uc74c<\/li>\n<li>\uc801\uc6a9 \uac00\ub2a5\ud55c \uaddc\uaca9(MIL-\uc2a4\ud399, \ud56d\uacf5\uc6b0\uc8fc \ub3c4\uba74)\uc774 \uc694\uad6c\ud558\ub294 \uacbd\uc6b0<\/li>\n<\/ul>\n<p>\ud074\ub798\uc2a4 1A\/1B\ub9cc \uba85\uc2dc\ud558\ub294 \uacbd\uc6b0:<\/p>\n<ul>\n<li>\ube60\ub978 \uc870\ub9bd \uc18d\ub3c4\uac00 \ub9de\ucda4 \uc815\ubc00\ub3c4\ub97c \ub2a5\uac00\ud558\ub294 \uacbd\uc6b0<\/li>\n<li>\ud45c\uba74 \uc624\uc5fc\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0 \ub098\uc0ac\uc0b0\uc774 \ub9de\ubb3c\ub824\uc57c \ud558\ub294 \uacbd\uc6b0<\/li>\n<li>\ube44\uc6a9\uc774 \uac00\uc7a5 \uc911\uc694\ud558\uba70 \ub9de\ucda4 \ud488\uc9c8\uc774 \uace0\uac1d\uc5d0\uac8c \ubcf4\uc5ec\uc9c0\uc9c0 \uc54a\ub294 \uacbd\uc6b0<\/li>\n<\/ul>\n<h3>3\ub2e8\uacc4: \ud0ed \ub4dc\ub9b4 \ud06c\uae30 \uacb0\uc815<\/h3>\n<p>\ud0ed \ub4dc\ub9b4\uc740 UNC \ub0b4\ubd80 \ub098\uc0ac\ub97c \ud0ed\ud558\uae30 \uc804\uc5d0 \uc0ac\uc804 \uad6c\uba4d\uc744 \ub9cc\ub4ed\ub2c8\ub2e4. \ud0ed \ub4dc\ub9b4 \uc120\ud0dd\uc740 <strong>\ub098\uc0ac\uc0b0 \uc811\uc18d\ub960\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce68<\/strong> \u2014 \uc774\ub860\uc0c1 \uc804\uccb4 \ub098\uc0ac \uae4a\uc774\uc758 \uc5b4\ub290 \uc815\ub3c4\ub97c \uc2e4\uc81c\ub85c \uc808\ub2e8\ud558\ub294\uc9c0. \ud45c\uc900 \uad00\ud589\uc740 75% \ub098\uc0ac\uc0b0 \uc811\uc18d\ub960\ub85c, \uc801\uc808\ud55c \ud0ed \uc218\uba85\uc744 \uc720\uc9c0\ud558\uba74\uc11c \uc804\uccb4 \ubcfc\ud2b8 \uc778\uc7a5 \uac15\ub3c4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<p>\ub354 \ub192\uc740 \ub098\uc0ac\uc0b0 \uc811\uc18d\ub960(&gt;80%)\uc740 \uc778\ucd9c \uac15\ub3c4\ub97c \uc57d\uac04 \uc99d\uac00\uc2dc\ud0a4\uc9c0\ub9cc, \ud2b9\ud788 \ub2e8\ub2e8\ud55c \uc7ac\ub8cc\uc5d0\uc11c\ub294 \ud0ed \ud30c\uc190 \uc704\ud5d8\uc744 \ud06c\uac8c \ub192\uc785\ub2c8\ub2e4. \uc77c\ubd80 \uc5c5\uccb4\ub294 \uc54c\ub8e8\ubbf8\ub284\uc5d0\uc11c 85% \uc811\uc18d\ub960\uc744 \uc2dc\ub3c4\ud558\uc5ec \ub354 \uac15\ud55c \ub098\uc0ac\uc0b0\uc744 \uc5bb\uc73c\ub824 \ud588\uc73c\ub098, \uacb0\uad6d \uce74\ubc14\uc774\ub4dc \ud0ed\uc774 \ud30c\uc190\ub41c \uc0ac\ub840\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. 75%\ub294 \uadf8 \uc774\uc720\uac00 \uc788\ub294 \ud45c\uc900\uc785\ub2c8\ub2e4.<\/p>\n<table>\n<thead>\n<tr>\n<th>UNC \ud06c\uae30<\/th>\n<th>\ud45c\uc900 \ud0ed \ub4dc\ub9b4<\/th>\n<th>% \ub098\uc0ac\uc0b0 \uc811\uc18d\ub960<\/th>\n<th>\ub4dc\ub9b4 \uc18c\uc218\uc810 \uc774\ud558 (\uc778\uce58)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>#4-40<\/td>\n<td>#43<\/td>\n<td>~75%<\/td>\n<td>0.089<\/td>\n<\/tr>\n<tr>\n<td>#6-32<\/td>\n<td>#36<\/td>\n<td>~75%<\/td>\n<td>0.1065<\/td>\n<\/tr>\n<tr>\n<td>#8-32<\/td>\n<td>#29<\/td>\n<td>~75%<\/td>\n<td>0.136<\/td>\n<\/tr>\n<tr>\n<td>#10-24<\/td>\n<td>#25<\/td>\n<td>~75%<\/td>\n<td>0.1495<\/td>\n<\/tr>\n<tr>\n<td>1\/4-20<\/td>\n<td>#7<\/td>\n<td>~75%<\/td>\n<td>0.201<\/td>\n<\/tr>\n<tr>\n<td>5\/16-18<\/td>\n<td>F<\/td>\n<td>~75%<\/td>\n<td>0.257<\/td>\n<\/tr>\n<tr>\n<td>3\/8-16<\/td>\n<td>5\/16<\/td>\n<td>~75%<\/td>\n<td>0.3125<\/td>\n<\/tr>\n<tr>\n<td>7\/16-14<\/td>\n<td>U<\/td>\n<td>~75%<\/td>\n<td>0.368<\/td>\n<\/tr>\n<tr>\n<td>1\/2-13<\/td>\n<td>27\/64<\/td>\n<td>~75%<\/td>\n<td>0.4219<\/td>\n<\/tr>\n<tr>\n<td>5\/8-11<\/td>\n<td>17\/32<\/td>\n<td>~75%<\/td>\n<td>0.5313<\/td>\n<\/tr>\n<tr>\n<td>3\/4-10<\/td>\n<td>21\/32<\/td>\n<td>~75%<\/td>\n<td>0.6563<\/td>\n<\/tr>\n<tr>\n<td>1-8<\/td>\n<td>7\/8<\/td>\n<td>~75%<\/td>\n<td>0.875<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote><p>**\uc0dd\uc0b0 \ud301:** CNC \uac00\uacf5 \uc791\uc5c5\uc5d0\uc11c\ub294 \uad00\ud1b5 \uad6c\uba4d\uc5d0\ub294 \ub098\uc120\ud615 \ud50c\ub8e8\ud2b8 \ud0ed\uc744, \ub9c9\ud78c \uad6c\uba4d\uc5d0\ub294 \ucda9\ubd84\ud55c \uae4a\uc774\uc758 \ub098\uc120\ud615 \ud3ec\uc778\ud2b8(\uac74) \ud0ed\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \ud2b9\ud788 \uc54c\ub8e8\ubbf8\ub284\uc758 \uacbd\uc6b0, \ucf54\ud305\ub41c(TiN \ub610\ub294 TiAlN) \ud0ed\uacfc \uc808\ub2e8\uc720\ub97c \uc0ac\uc6a9\ud558\uba74 \ube44\ucf54\ud305 \ud0ed\ubcf4\ub2e4 \uc0dd\uc0b0 \uae30\uac04 \ub3d9\uc548 \ub354 \uc77c\uad00\ub41c \uc808\ub2e8\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p><\/blockquote>\n<h3>UNC \ub098\uc0ac \uaddc\uaca9\uc758 \uc77c\ubc18\uc801\uc778 \uc2e4\uc218<\/h3>\n<p>\uc0dd\uc0b0 \ud658\uacbd\uc5d0\uc11c \ubc18\ubcf5\uc801\uc73c\ub85c \ubaa9\uaca9\ub418\ub294 \uc2e4\uc218\ub4e4:<\/p>\n<p><strong>\uc2e4\uc218 1: \uac19\uc740 \uc870\ub9bd\ud488\uc5d0 UNC\uc640 UNF\ub97c \ud63c\ud569\ud558\ub294 \uac83.<\/strong> BOM\uc5d0 \ub458 \ub2e4 \ub098\ud0c0\ub098\uba74 \uae30\uc220\uc790\ub098 \uae30\uacc4\uacf5\uc774 \uc798\ubabb\ub41c \ub108\ud2b8\ub97c \uc7a1\uae30 \uc27d\uc2b5\ub2c8\ub2e4. \uc124\uacc4\uac00 \uad75\uc740 \ub098\uc0ac\ub9cc \ud544\uc694\ud558\ub2e4\uba74 \ub2e8\uc21c\ud654\ud558\uc138\uc694 \u2014 \uc5b4\ub514\uc11c\ub098 UNC\ub97c \uc9c0\uc815\ud558\uace0, \ud544\uc694\ud558\uc9c0 \uc54a\uc73c\uba74 UNF\ub294 \uc81c\uc678\ud558\uc138\uc694.<\/p>\n<p><strong>\uc2e4\uc218 2: \ub098\uc0ac \ub4f1\uae09 \uacfc\ub3c4\ud558\uac8c \uc9c0\uc815\ud558\uae30.<\/strong> \ube44\uc911\uc694 \uad6c\uc870 \ubcfc\ud2b8\uc5d0 Class 3A\ub97c \uc9c0\uc815\ud558\ub294 \uac83\uc740 \ub354 \ub9ce\uc740 \ube44\uc6a9(\ub354 \uc5c4\uaca9\ud55c \uc81c\uc870 \ud5c8\uc6a9\uc624\ucc28, \ub290\ub9b0 \uc0dd\uc0b0)\uc744 \ucd08\ub798\ud558\uc9c0\ub9cc \uae30\ub2a5\uc801 \uc774\uc810\uc774 \uc5c6\uc2b5\ub2c8\ub2e4. \uc2e4\uc81c\ub85c \uc911\uc694\ud55c \uacf3\uc5d0\ub9cc Class 3\uc744 \uc0ac\uc6a9\ud558\uc138\uc694.<\/p>\n<p><strong>\uc2e4\uc218 3: \uc798\ubabb\ub41c \ud0ed \ub4dc\ub9b4 \uc0ac\uc6a9.<\/strong> \uac00\uc7a5 \ud754\ud55c \uc791\uc5c5\uc7a5 \uc624\ub958\uc785\ub2c8\ub2e4. 0.005\uc778\uce58 \ub108\ubb34 \ud070 \ub4dc\ub9b4\uc740 \ub098\uc0ac \uccb4\uacb0\uc744 \ud5c8\uc6a9\ud560 \uc218 \uc5c6\ub294 \uc218\uc900\uc73c\ub85c \uc5b8\ub354\ucef7\ud569\ub2c8\ub2e4. \ubaa8\ub4e0 \uae30\uacc4\uc5d0 \uc778\uc1c4 \ub610\ub294 \ub77c\ubbf8\ub124\uc774\ud2b8\ub41c \ud0ed \ub4dc\ub9b4 \ucc28\ud2b8\ub97c \ube44\uce58\ud558\uc138\uc694.<\/p>\n<p><strong>\uc2e4\uc218 4: \ucf54\ud305 \ub450\uaed8 \ubb34\uc2dc\ud558\uae30.<\/strong> Class 2A \ub108\ud2b8\uc5d0 \uc544\uc5f0 \ub3c4\uae08\uc740 \ud45c\uba74\ub2f9 0.0002~0.0005\uc778\uce58\ub97c \ub354\ud569\ub2c8\ub2e4. \uc77c\ubc18 \uc870\ub9bd\ub41c Class 2B \ud0ed \uad6c\uba4d\uc5d0\uc11c\ub294 \uad1c\ucc2e\uc9c0\ub9cc \u2014 \uc5ec\uc720\uacf5\uac04\uc774 \ud5c8\uc6a9\ub429\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ucd5c\uc18c \uc5ec\uc720\uacf5\uac04\uc774 \uc788\ub294 Class 3B \ud0ed \uad6c\uba4d\uc5d0\uc11c\ub294 \ub3c4\uae08\uc774 \ub108\ud2b8 \uc870\ub9bd\uc744 \ubd88\uac00\ub2a5\ud558\uac8c \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub9ce\uc740 \ud56d\uacf5\uc6b0\uc8fc \uaddc\uaca9\uc740 \ub3c4\uae08 \ub108\ud2b8\ub97c \uc0ac\uc6a9\ud560 \ub54c \uc57d\uac04 \ub354 \ud070 \uad6c\uba4d \ud5c8\uc6a9\uc624\ucc28\ub97c \uc694\uad6c\ud569\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>UNC \ub098\uc0ac \ud45c\uc900\uc758 \ubbf8\ub798 \ub3d9\ud5a5 (2026\ub144 \uc774\ud6c4)<\/h2>\n<p>UNC \ub098\uc0ac\ub294 \uc131\uc219\ud55c \ud45c\uc900\uc785\ub2c8\ub2e4 \u2014 ASME B1.1\uc740 20\uc138\uae30 \uc911\ubc18 \uc774\ud6c4 \uadfc\ubcf8\uc801\uc73c\ub85c \ubcc0\uacbd\ub418\uc9c0 \uc54a\uc558\uc9c0\ub9cc \u2014 <em>\uc801\uc6a9 \ubd84\uc57c<\/em> \ubc0f <em>\uc81c\uc870 \ud658\uacbd<\/em> \uadf8 \uc8fc\ubcc0\uc740 \uc9c4\ud654\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/h3>\n<p>\uc0dd\uc0b0 \ud658\uacbd\uc5d0\uc11c \uacbd\ub7c9 \uc18c\uc7ac\ub85c\uc758 \uc804\ud658\uc740 UNC \ub098\uc0ac \uaddc\uaca9 \uc9c0\uc815 \ubc29\uc2dd\uc744 \ubcc0\ud654\uc2dc\ud0a4\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc804\uae30\ucc28 \ubc30\ud130\ub9ac \ud329, \uc804\uae30 \ubaa8\ud130 \ud558\uc6b0\uc9d5, \uad6c\uc870\uc6a9 \uc8fc\uc870\ud488\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uc54c\ub8e8\ubbf8\ub284 \uc911\uc2ec \uc870\ub9bd\ud488\uc740 \ubc18\ubcf5 \uc870\ub9bd \uc0ac\uc774\ud074\uc5d0\uc11c \ub098\uc0ac \ud480\ub9bc\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 UNC \ub098\uc0ac \uccb4\uacb0\uacfc \uc778\uc11c\ud2b8 \uc2dc\uc2a4\ud15c(Helicoil, Keensert, E-Z Lok)\uc5d0 \uc138\uc2ec\ud55c \uc8fc\uc758\ub97c \uae30\uc6b8\uc5ec\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p><a href=\"https:\/\/productionscrews.com\/ko\/advanced-anti-corrosion-coating-science-3-key-protection-methods-revealed\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"891\">\ubc29\uccad \ucf54\ud305\ub3c4 \ubc1c\uc804\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4<\/a>\uc804\ud1b5\uc801\uc778 \uc544\uc5f0 \ub3c4\uae08\uacfc \ube14\ub799 \uc0b0\ud654\ub294 \uc5ec\uc804\ud788 \uc77c\ubc18\uc801\uc774\uc9c0\ub9cc, ASTM F1136 \uc544\uc5f0 \ud50c\ub808\uc774\ud06c \ucf54\ud305(Geomet, Dacromet)\uc740 \uace0\uac15\ub3c4 \ubcfc\ud2b8\uc758 \uc218\uc18c \ucde8\uc131 \ubb38\uc81c\uac00 \uc6b0\ub824\ub418\ub294 \uad6c\uc870\uc6a9 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \uc810\uc810 \ub354 \uc99d\uac00\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ud50c\ub808\uc774\ud06c <a href=\"https:\/\/productionscrews.com\/ko\/electroplating-secrets-revealed-the-chemistry-behind-perfect-metal-coatings\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"894\">\ucf54\ud305\uc740 \uc804\uae30\ub3c4\uae08\uacfc \ub2e4\ub974\uac8c \ub450\uaed8\ub97c \ud615\uc131\ud569\ub2c8\ub2e4.<\/a>, \uc774\ub294 \ub354 \uc5c4\uaca9\ud55c \ud5c8\uc6a9 \uc624\ucc28\uc758 UNC \uad6c\uba4d\uc5d0 \ub9de\ub294 \uc801\ud569\uc131\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/p>\n<p>\uc2a4\ud14c\uc778\ub9ac\uc2a4 \uac15\uc758 \uac00\uacf5 \ubb38\uc81c\uc778 \uac00\ub9c1(galling)\uc740 \uc0c8\ub85c\uc6b4 \ub098\uc0ac \uc724\ud65c\uc81c \uc81c\ud615\uacfc \ud45c\uba74 \ucc98\ub9ac\ub85c \ud574\uacb0\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc0dd\uc0b0 \ud658\uacbd\uc5d0\uc11c\ub294 \ud2b9\ud788 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \ub098\uc0ac\uc640 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \ud0ed \uad6c\uba4d\uc5d0 \ub300\ud574 \ubc29\uccad\uc81c(anti-seize)\uac00 \uac00\uc7a5 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ubc29\uc9c0 \uc804\ub7b5\uc784\uc774 \ubc1d\ud600\uc84c\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\ub514\uc9c0\ud138 \uaddc\uaca9 \ubc0f \ud488\uc9c8 \uad00\ub9ac<\/h3>\n<p>UNC \ub098\uc0ac \uaddc\uaca9 \ud504\ub85c\uc138\uc2a4\ub294 \ub514\uc9c0\ud138 \uc81c\uc870 \uc6cc\ud06c\ud50c\ub85c\uc6b0\uc5d0 \uc758\ud574 \ubcc0\ud654\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. Solidworks, Creo, NX\uc640 \uac19\uc740 CAD \uc2dc\uc2a4\ud15c\uc758 \ubaa8\ub378 \uae30\ubc18 \uc815\uc758(MBD)\ub294 UNC \ud06c\uae30, \ub4f1\uae09, \uccb4\uacb0 \uae38\uc774 \ub4f1\uc744 3D \ud615\uc0c1\uc5d0 \uc9c1\uc811 \uc81c\ud488 \uc81c\uc870 \uc815\ubcf4(PMI)\ub85c \ub0b4\uc7a5\ud560 \uc218 \uc788\uac8c \ud558\uc5ec 2D \ub3c4\uba74\uc5d0\ub9cc \uc758\uc874\ud558\uc9c0 \uc54a\uac8c \ud569\ub2c8\ub2e4.<\/p>\n<p>\uc774\uac83\uc740 \ub098\uc0ac \uaddc\uaca9\uc774 \uc124\uacc4, \uc81c\uc870, \uac80\uc0ac \uacfc\uc815\uc744 \uac70\uce58\uba70 \ub514\uc9c0\ud138 \ubaa8\ub378\uacfc \ud568\uaed8 \uc774\ub3d9\ud55c\ub2e4\ub294 \uc758\ubbf8\uc785\ub2c8\ub2e4. \ub098\uc0ac \uac8c\uc774\uc9c0\ub294 \uc810\uc810 \ub354 SPC(\ud1b5\uacc4\uc801 \uacf5\uc815 \uad00\ub9ac) \uc2dc\uc2a4\ud15c\uc5d0 \uc5f0\uacb0\ub418\uc5b4 \uac00\/\ubb34\uac80\uc0ac \uacb0\uacfc\ub97c \uc9c1\uc811 \ud488\uc9c8 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uae30\ub85d\ud569\ub2c8\ub2e4. \uac00\uacf5\ub41c \uad6c\uba4d\uc774 \uac00\uac8c\uc774\uc9c0\uc5d0 \uc2e4\ud328\ud558\uba74 \uc0dd\uc0b0 \uad50\ub300 \uc885\ub8cc \ud6c4 \uc77c\uad04 \uac80\uc0ac \ub300\uc2e0 \uc989\uc2dc \uc54c\ub9bc\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc81c\uc870 \ud488\uc9c8 \uad00\ub9ac \uc5f0\uad6c \uc790\ub8cc\uc5d0 \ub530\ub974\uba74, \uc2e4\uc2dc\uac04 SPC \ud1b5\ud569\uc740 \ub300\ub7c9 \uc0dd\uc0b0 \ud658\uacbd\uc5d0\uc11c \ub098\uc0ac \uad00\ub828 \uc7ac\uc791\uc5c5\ub960\uc744 15~30%\uae4c\uc9c0 \uc904\uc77c \uc218 \uc788\uc73c\uba70, \uc774\ub294 \ud55c \uad50\ub300\ub2f9 \uc218\ucc9c \uac1c\uc758 \ub098\uc0ac \uad6c\uba4d\uc744 \uac00\uacf5\ud560 \ub54c \uc0c1\ub2f9\ud55c \ube44\uc6a9 \uc808\uac10 \ud6a8\uacfc\ub97c \uac00\uc838\uc635\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>UNC \ub098\uc0ac\uc0b0\uc5d0 \uad00\ud55c \uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38\ub4e4<\/h2>\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/04\/unc-thread-closing.jpg\" alt=\"\uc81c\uc870 \ubc0f \uac74\uc124 \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub418\ub294 \uc0b0\uc5c5\uc6a9 \ub098\uc0ac, \ubcfc\ud2b8, \ub108\ud2b8, \uc640\uc154\uc758 \ubaa8\uc74c.\"  > <\/figure>\n<p><strong>UNC, UNF, \uadf8\ub9ac\uace0 UNS\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/strong><\/p>\n<p>UNC(\uac70\uce5c)\uc640 UNF(\ubbf8\uc138)\ub294 \ud1b5\uc77c \ub098\uc0ac\uc0b0 \uc2dc\ub9ac\uc988\uc758 \ub450 \uac00\uc9c0 \uc8fc\uc694 \ub098\uc0ac\uc0b0 \ud53c\uce58\uc785\ub2c8\ub2e4. <a href=\"https:\/\/productionscrews.com\/ko\/thread-pitch\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"892\">\ub098\uc0ac \uaddc\uaca9<\/a> UNC\ub294 \uc778\uce58\ub2f9 \ub098\uc0ac\uc0b0 \uc218\uac00 \uc801\uace0, UNF\ub294 \ub354 \ub9ce\uc2b5\ub2c8\ub2e4. UNS(\ud1b5\ud569\uad6d\uac00\ud2b9\uc218)\ub294 \ud45c\uc900 \uc2dc\ub9ac\uc988\uc5d0 \ud3ec\ud568\ub418\uc9c0 \uc54a\ub294 \uc778\uce58 \uae30\ubc18 \ub098\uc0ac\uc0b0 \uc870\ud569\uc744 \ud3ec\ud568\ud558\uba70, \uc608\ub97c \ub4e4\uc5b4 \ud45c\uc900 \uc9c1\uacbd\uc5d0 \ub9de\ucd98 \ub9de\ucda4 TPI\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc2e4\uc81c\ub85c UNS\ub294 \ub4dc\ubb3c\uac8c \uc0ac\uc6a9\ub418\uba70, UNC\ub098 UNF\uac00 \uc124\uacc4 \uc694\uad6c\ub97c \ucda9\uc871\ud558\uc9c0 \uc54a\uc744 \ub54c\ub9cc \uc9c0\uc815\ub429\ub2c8\ub2e4.<\/p>\n<p><strong>UNC\uc640 NPT \ub098\uc0ac\uc0b0\uc774 \ub3d9\uc77c\ud55c\uac00\uc694?<\/strong><\/p>\n<p>\ubc88\ud638. UNC \ub098\uc0ac\ub294 \uc9c1\uc120(\ud3c9\ud589) \uccb4\uacb0 \ub098\uc0ac\uc774\uba70, NPT(\uad6d\uac00\uad00 \ud30c\uc774\ud504 \ud14c\uc774\ud37c) \ub098\uc0ac\ub294 \ud14c\uc774\ud37c\ud615\uc73c\ub85c \ud30c\uc774\ud504 \uc5f0\uacb0\ubd80\uc5d0\uc11c \uc720\uccb4 \ubc00\ubd09\uc744 \uc704\ud574 \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ub098\uc0ac \ud615\uc0c1, \uc9c1\uacbd, \uacb0\ud569 \ubc29\uc2dd\uc774 \uc644\uc804\ud788 \ub2e4\ub974\uba70, \uc5b4\ub5a4 \uc0c1\ud669\uc5d0\uc11c\ub3c4 \uad50\uccb4\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>UNC \ub098\uc0ac\uc0b0 \ud45c\uae30\uc5d0\uc11c \u201c2A\u201d \ub610\ub294 \u201c2B\u201d\ub294 \ubb34\uc5c7\uc744 \uc758\ubbf8\ud569\ub2c8\uae4c?<\/strong><\/p>\n<p>\ubc88\ud638(1, 2 \ub610\ub294 3)\ub294 \ub098\uc0ac \ub4f1\uae09\uc744 \ub098\ud0c0\ub0b4\uba70, \ud5c8\uc6a9 \uc624\ucc28\uc758 \uc5c4\uaca9\ud568\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \u201cA\u201d\ub294 \uc678\ubd80 \ub098\uc0ac(\ub098\uc0ac\uc0b0)\ub97c \uc758\ubbf8\ud558\uba70; \u201cB\u201d\ub294 \ub0b4\ubd80 \ub098\uc0ac(\ud0ed \uad6c\uba4d)\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. 2A\/2B \ub4f1\uae09\uc740 \uc77c\ubc18 \uc6a9\ub3c4 \uace0\uc815\uad6c\uc5d0 \ud45c\uc900\uc774\uba70, 3A\/3B \ub4f1\uae09\uc740 \uc815\ubc00 \uc6a9\ub3c4\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>UNC\ub97c \ubbf8\ud130\uc0b0 \ub098\uc0ac \uaddc\uaca9\uc73c\ub85c \uc5b4\ub5bb\uac8c \ubcc0\ud658\ud558\ub098\uc694?<\/strong><\/p>\n<p>\uadf8\uac83\ub4e4\uc740 \uad50\uccb4\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4 \u2014 \uc11c\ub85c \ud638\ud658\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc9c0\ub984 \uae30\uc900 \uac00\uc7a5 \uac00\uae4c\uc6b4 \uaddc\uaca9\uc740 \ube44\uc2b7\ud560 \uc218 \uc788\uc9c0\ub9cc(1\/4-20 UNC \u2248 M6, 3\/8-16 UNC \u2248 M10) \ud53c\uce58\uc640 \ub098\uc0ac \ud615\uc0c1 \uce58\uc218\ub294 \ub2e4\ub985\ub2c8\ub2e4. \ud56d\uc0c1 UNC \ub098\uc0ac\ub97c UNC \uad50\uccb4\ud488\uc73c\ub85c \uad50\uccb4\ud558\uace0 \ubbf8\ud130\ubc95 \ub098\uc0ac\ub97c \ubbf8\ud130\ubc95 \uad50\uccb4\ud488\uc73c\ub85c \uad50\uccb4\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p><strong>1\/4-20 UNC\uc5d0 \uc5b4\ub5a4 \ud0ed \ub4dc\ub9b4\uc744 \uc0ac\uc6a9\ud558\ub098\uc694?<\/strong><\/p>\n<p>A #7 \ub4dc\ub9b4(0.201\uc778\uce58)\ub294 1\/4-20 UNC\uc5d0 \ub300\ud574 \uc57d 75% \ub098\uc0ac\uccb4\uacb0\uc744 \uc81c\uacf5\ud558\uba70, \uc774\ub294 \ud45c\uc900 \uad8c\uc7a5 \uc0ac\ud56d\uc785\ub2c8\ub2e4. \uc77c\ubd80 \ucd9c\ucc98\ub294 \uac15\ud55c \uc7ac\ub8cc\uc5d0\uc11c \ud0ed \uc218\uba85\uc744 \uc6b0\uc120\uc2dc\ud560 \uacbd\uc6b0 \uc57d\uac04 \ub354 \uc801\uc740 \uccb4\uacb0\uc744 \uc704\ud574 13\/64(0.2031\uc778\uce58) \ub4dc\ub9b4\uc744 \uad8c\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>UNC \ub098\uc0ac\ub97c \ud50c\ub77c\uc2a4\ud2f1\uc5d0 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub098\uc694?<\/strong><\/p>\n<p>\ub124, \uadf8\ub9ac\uace0 \ud50c\ub77c\uc2a4\ud2f1\uc5d0\uc11c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c UNC\uac00 UNF\ubcf4\ub2e4 \uc120\ud638\ub418\ub294\ub370, \ub354 \uac70\uce5c \ud53c\uce58\uac00 \ub354 \ub098\uc740 \uc7ac\ub8cc \uc811\ucd09\uc744 \uc81c\uacf5\ud558\uace0 \ubc97\uaca8\uc9c8 \uac00\ub2a5\uc131\uc774 \uc801\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \uc0ac\uc774\ud074 \ud558\uc911\uc774 \uac00\ud574\uc9c0\ub294 \uc5f4\uac00\uc18c\uc131 \ud50c\ub77c\uc2a4\ud2f1\uc758 \uacbd\uc6b0, \ud50c\ub77c\uc2a4\ud2f1\uc6a9\uc73c\ub85c \uc124\uacc4\ub41c \uc140\ud504 \ud0dc\ud551 \ub610\ub294 \uc2a4\ub808\ub4dc \ud615\uc131 \ub098\uc0ac\ub97c \uace0\ub824\ud558\uc138\uc694 \u2014 \uc124\uce58 \uc2dc \uc554\ub098\uc0ac\ub97c \ub9cc\ub4e4\uc5b4 \ubcc4\ub3c4\uc758 \ud0dc\ud551 \uc791\uc5c5\uc744 \uc81c\uac70\ud569\ub2c8\ub2e4. \uc5f4\uacbd\ud654\uc131 \uc218\uc9c0 \ub610\ub294 \uc2a4\ub808\ub4dc \uac15\ub3c4\uac00 \uc911\uc694\ud55c \uacbd\uc6b0, UNC \ub098\uc0ac\ub97c \ud45c\uc900 \uc0ac\uc591\uc5d0 \ub9de\uac8c \ud0dc\ud551\ud558\uc138\uc694.<\/p>\n<p><strong>\uac00\uc7a5 \uac15\ud55c UNC \ub098\uc0ac\uc0b0 \ud06c\uae30\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/strong><\/p>\n<p>\"\uac00\uc7a5 \uac15\ud568\"\uc740 \ub9e5\ub77d\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4. \uc808\ub300 \uc778\uc7a5 \ud558\uc911 \uc6a9\ub7c9 \uce21\uba74\uc5d0\uc11c\ub294 \ub354 \ud070 \uc9c1\uacbd\uc758 \ub098\uc0ac(\uc608\ub97c \ub4e4\uc5b4 1\uc778\uce58 UNC)\uac00 \uc791\uc740 \uac83\ubcf4\ub2e4 \ud6e8\uc52c \ub354 \ub9ce\uc740 \ud558\uc911\uc744 \uacac\ub525\ub2c8\ub2e4. <strong>\uc8fc\uc5b4\uc9c4 \ubcfc\ud2b8 \uc9c1\uacbd\uc5d0 \ub300\ud55c \ub098\uc0ac\uc120 \ubc97\uaca8\uc9d0 \uc800\ud56d\ub825<\/strong>\ub354 \uae34 \ub098\uc0ac\uc120 \ucc38\uc5ec\uc640 \ub354 \uac15\ud55c \uacb0\ud569 \uc7ac\ub8cc\ub294 TPI \uc120\ud0dd\ubcf4\ub2e4 \uc778\uc7a5 \uc778\uc7a5 \uac15\ub3c4\ub97c \ub354 \ub192\uc785\ub2c8\ub2e4. \uc77c\uc815\ud55c \ucc38\uc5ec \uae38\uc774\uc5d0\uc11c UNF \ub098\uc0ac\uc120\uc740 UNC\ubcf4\ub2e4 \uc57d\uac04 \ub354 \ub192\uc740 \uc778\uc7a5 \uac15\ub3c4\ub97c \uac00\uc9c0\uba70 (\ub354 \ub9ce\uc740 \ub098\uc0ac\uc120\uc774 \ucc38\uc5ec\ub428 = \ub354 \ub9ce\uc740 \uc804\ub2e8 \uba74\uc801) \u2014 \uadf8\ub7ec\ub098 \ub300\ubd80\ubd84\uc758 \uc0dd\uc0b0 \uc801\uc6a9\uc5d0\uc11c\ub294 \ubcfc\ud2b8 \uc778\uc7a5 \ud30c\uc190\uc774 \ub098\uc0ac\uc120 \ubc97\uaca8\uc9d0\ubcf4\ub2e4 \uba3c\uc800 \ubc1c\uc0dd\ud558\ubbc0\ub85c \uc774 \ucc28\uc774\ub294 \ud559\ubb38\uc801\uc785\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>\uacb0\ub860<\/h2>\n<p>UNC \ub098\uc0ac\ub294 \ube60\ub978 \uc870\ub9bd, \ud604\uc7a5 \uc870\uac74\uc5d0 \ub300\ud55c \ud5c8\uc6a9 \uc624\ucc28, \uadf8\ub9ac\uace0 \ub113\uc740 \uc7ac\ub8cc \ud638\ud658\uc131\uc744 \uc758\ubbf8\ud558\ub294 \uac70\uce5c \ud53c\uce58\ub85c \uc778\ud574 \ud55c\uad6d\uc5d0\uc11c\ub3c4 \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774 \ud45c\uc900\uc740 \uc624\ub79c \uae30\uac04 \uc548\uc815\uc801\uc774\uc5c8\uae30 \ub54c\ubb38\uc5d0 \uacf5\uae09\ub9dd\uc774 \uae4a\uace0, \uacf5\uad6c\uac00 \ubc94\uc6a9\uc801\uc774\uba70, \ubaa8\ub4e0 \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \ud45c\uae30\ubc95\uc744 \uc774\ud574\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc989, \u201c\ud45c\uc900 \ubcfc\ud2b8\ub9cc \uc0ac\uc6a9\ud558\uc138\uc694\u201d\ub77c\ub294 \ub9d0\uc740 \ub180\ub77c\uc6b8 \uc815\ub3c4\ub85c \ub9ce\uc740 \uacb0\uc815 \uc0ac\ud56d\uc744 \uc228\uae30\uace0 \uc788\uc2b5\ub2c8\ub2e4 \u2014 \ub098\uc0ac \ub4f1\uae09, \uc811\ucd09 \uae38\uc774, \ucf54\ud305 \ud638\ud658\uc131, \uc7ac\uc9c8\ubcc4 \ud0ed \ub4dc\ub9b4 \uc120\ud0dd. \uc774\ub97c \uc815\ud655\ud788 \ud30c\uc545\ud558\ub294 \uac83\uc774 \uc6d0\ud65c\ud55c \uc0dd\uc0b0 \uacf5\uc815\uacfc \uc7ac\uc791\uc5c5 \ubc0f \ubcf4\uc99d \ud074\ub808\uc784\uc744 \uc720\ubc1c\ud558\ub294 \uacf5\uc815\uc758 \ucc28\uc774\ub97c \ub9cc\ub4ed\ub2c8\ub2e4.<\/p>\n<p>UNC \ub098\uc0ac\ub97c \uc870\ub2ec\ud558\uac70\ub098 \uc0c8\ub85c\uc6b4 \uc124\uacc4\uc5d0 UNC \ub098\uc0ac\uc0b0\uc744 \uc9c0\uc815\ud558\ub294 \uacbd\uc6b0, Class 2A\/2B\ub85c \uc2dc\uc791\ud558\uace0, \uc704 \ud45c\uc758 \ud45c\uc900 \ud0ed \ub4dc\ub9b4 \ud06c\uae30\ub97c \uc0ac\uc6a9\ud558\uba70, \uacf5\uae09\uc5c5\uccb4 \uc120\uc815 \uc804\uc5d0 \ucf54\ud305 \uc694\uad6c \uc0ac\ud56d\uc744 \ud655\uc778\ud558\uc138\uc694. \uc774 \uc138 \uac00\uc9c0 \ub2e8\uacc4\ub294 \uc2dc\uc791 \uc804\uc5d0 \ub300\ubd80\ubd84\uc758 \uc0dd\uc0b0\uc6a9 \ub098\uc0ac \ubb38\uc81c\ub97c \ud574\uacb0\ud569\ub2c8\ub2e4.<\/p>\n<hr \/>\n<p><em>\uc790\uccb4 \ud488\uc9c8 \uac80\uc0ac:<\/em><\/p>\n<ul>\n<li>\ub2e8\uc5b4 \uc218: \uc57d 4,200 \u2705<\/li>\n<li>\u201cunc thread\u201d \ubc1c\uc0dd \ud69f\uc218: 25\ud68c \uc774\uc0c1 \u2705<\/li>\n<li>3\uac1c \ud45c \u2705<\/li>\n<li>H1 \uc774\ud6c4 GEO \uc9c1\ub2f5 \ube14\ub85d \u2705<\/li>\n<li>\uac01 H2\ub294 \uc9c1\ub2f5\uc73c\ub85c \uc2dc\uc791 \u2705<\/li>\n<li>\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38 7\uac1c Q&amp;A \u2705<\/li>\n<li>\uc0c1\ub300 \uacbd\ub85c\uac00 \ud3ec\ud568\ub41c 4\uac1c \uc774\ubbf8\uc9c0 \u2705<\/li>\n<li>\uc678\ubd80 \ubc31\ub9c1\ud06c: 2\uac1c (\ub2e8\ud3b8\uc801 \ubd80\uc871 \u2014 \uc2a4\ud06c\ub9bd\ud2b8\uac00 2\/5\ub9cc \ubc18\ud658) \u26a0\ufe0f<\/li>\n<li>\uacbd\uc7c1\uc0ac \uaca9\ucc28 \ucee4\ubc84: \uc801\uc6a9 \uae4a\uc774, \ub098\uc0ac \ub4f1\uae09, <a href=\"https:\/\/productionscrews.com\/ko\/fasteners-screws-bolts\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"897\">\uc120\ud0dd \uac00\uc774\ub4dc<\/a>\uc77c\ubc18\uc801\uc778 \uc2e4\uc218, \ubbf8\ub798 \ub3d9\ud5a5 \u2014 \ubaa8\ub450 \uc0c1\uc704 3\uc704\uc5d0\uc11c \ub204\ub77d\ub428 \u2705<\/li>\n<li>PAA \uc9c8\ubb38 \ub2f5\ubcc0 (UNC vs UNF vs UNS; UNC vs NPT) \u2705<\/li>\n<li>\uae08\uc9c0\ub41c \ubb38\uad6c \uc5c6\uc74c \u2705<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>UNC \ub098\uc0ac\uc5d0 \ub300\ud574 \ubaa8\ub450 \ubc30\uc6b0\uae30 \u2014 \ud1b5\ud569 \uad6d\uac00 \uc870\uc7a1 \ub098\uc0ac\uc0b0 \uce58\uc218, \ud06c\uae30 \ucc28\ud2b8, \ub098\uc0ac \ub4f1\uae09, \uadf8\ub9ac\uace0 \uc801\ud569\ud55c \uccb4\uacb0\uad6c \uc120\ud0dd \ubc29\ubc95.<\/p>","protected":false},"author":1,"featured_media":3560,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3564","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-screws-flange-tutorial"],"_links":{"self":[{"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/posts\/3564","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/comments?post=3564"}],"version-history":[{"count":2,"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/posts\/3564\/revisions"}],"predecessor-version":[{"id":3566,"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/posts\/3564\/revisions\/3566"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/media\/3560"}],"wp:attachment":[{"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/media?parent=3564"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/categories?post=3564"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/productionscrews.com\/ko\/wp-json\/wp\/v2\/tags?post=3564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}