{"id":13728,"date":"2026-08-20T08:07:27","date_gmt":"2026-08-20T08:07:27","guid":{"rendered":"https:\/\/weldomachining.com\/?p=13728"},"modified":"2026-08-20T08:08:26","modified_gmt":"2026-08-20T08:08:26","slug":"blind-hole-machining-guide","status":"publish","type":"post","link":"https:\/\/weldomachining.com\/ko\/blind-hole-machining-guide\/","title":{"rendered":"\ub9c9\ud78c \uad6c\uba4d \uac00\uacf5 \uac00\uc774\ub4dc: \uc720\ud615, \ud0dc\ud551 \ubc0f \uc124\uacc4 \uc694\ub839"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\ub9f9\uacf5\uc740 \ubd80\ud488\uc744 \uad00\ud1b5\ud558\uc9c0 \uc54a\uace0 \ubd80\ud488 \ub0b4\ubd80\uc5d0\uc11c \ub05d\ub098\ub294 \uad6c\uba4d\uc785\ub2c8\ub2e4. \ubc14\ub2e5\uc774 \ub9c9\ud600 \uc788\uae30 \ub54c\ubb38\uc5d0 \uae4a\uc774 \uc81c\uc5b4, \uce69 \ubc30\ucd9c \ubc0f \uacf5\uad6c \uc5ec\uc720 \uacf5\uac04\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \uc774 \uac00\uc774\ub4dc\uc5d0\uc11c\ub294 \uc8fc\uc694 \uad6c\uba4d \uc720\ud615, \uac00\uacf5 \ubc29\ubc95, \ud0ed \uac00\uacf5 \uc635\uc158 \ubc0f \uc2e4\uc6a9\uc801\uc778 \uc124\uacc4 \uaddc\uce59\uc744 \ub2e4\ub8f9\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"750\" height=\"422\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/08\/blind-hole.webp\" alt=\"\ub9c9\ud78c \uad6c\uba4d\" class=\"wp-image-13722\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/08\/blind-hole.webp 750w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/08\/blind-hole-300x169.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/08\/blind-hole-18x10.webp 18w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption class=\"wp-element-caption\">\ub9c9\ud78c \uad6c\uba4d<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\ub9f9\uacf5\uc774\ub780 \ubb34\uc5c7\uc778\uac00?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9c9\ud798 \uad6c\uba4d\uc740 \ubc18\ub300\ucabd \ud45c\uba74\uc744 \ub6ab\uc9c0 \uc54a\uc740 \ucc44 \uc9c0\uc815\ub41c \uae4a\uc774\uae4c\uc9c0 \uac00\uacf5\ub429\ub2c8\ub2e4. \uc774 \uad6c\uba4d\uc740 \ub4dc\ub9b4\ub9c1, \ubcf4\ub9c1, \ub9ac\ubc0d, \ubc00\ub9c1 \ub610\ub294 \ub098\uc0ac \uac00\uacf5\uc744 \ud1b5\ud574 \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac00\uacf5 \ubc29\ubc95\uc758 \uc120\ud0dd\uc740 \uc9c1\uacbd, \uae4a\uc774, \ubc14\ub2e5 \ud615\uc0c1 \ubc0f \uacf5\ucc28\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \ud2b8\uc704\uc2a4\ud2b8 \ub4dc\ub9b4\uc744 \uc0ac\uc6a9\ud558\uba74 \ubc14\ub2e5\uc5d0 \uc6d0\ubfd4 \ubaa8\uc591\uc758 \ub4dc\ub9b4 \ud754\uc801\uc774 \ub0a8\uc2b5\ub2c8\ub2e4. \ud3c9\uc800 \ub4dc\ub9b4, \uc5d4\ub4dc\ubc00 \ub610\ub294 \ubcf4\ub9c1 \uac00\uacf5\uc744 \ud1b5\ud574 \ub354 \ud3c9\ud3c9\ud55c \ubc14\ub2e5\uba74\uc744 \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubc29\ubc95\uc740 \ubd80\ud488\uc774 \uad6c\uba4d \ubc14\ub2e5\uc5d0 \ubc00\ucc29\ub418\uc5b4\uc57c \ud560 \ub54c \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PCB\uc758 \ube14\ub77c\uc778\ub4dc \ube44\uc544\ub294 \uc774\uc640 \ub2e4\ub985\ub2c8\ub2e4. \ube14\ub77c\uc778\ub4dc \ube44\uc544\ub294 \ud68c\ub85c \uae30\ud310\uc758 \uc678\ubd80 \uce35\uc744 \ud558\ub098 \uc774\uc0c1\uc758 \ub0b4\ubd80 \uce35\uacfc \uc5f0\uacb0\ud569\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \uae08\uc18d \ubc0f \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ud50c\ub77c\uc2a4\ud2f1 \ubd80\ud488\uc5d0 \uac00\uacf5\ub41c \ube14\ub77c\uc778\ub4dc \ud640\uc5d0 \ub300\ud574 \uc911\uc810\uc801\uc73c\ub85c \ub2e4\ub8f9\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc54c\uc544\ub450\uc5b4\uc57c \ud560 4\uac00\uc9c0 \ub9f9\uacf5 \uae4a\uc774<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ube14\ub77c\uc778\ub4dc \ud640 \ub3c4\uba74\uc5d0\ub294 \ubaa9\ud45c \uae4a\uc774\uac00 \uba85\ud655\ud558\uac8c \ud45c\uc2dc\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \ub2e4\uc74c \ub124 \uac00\uc9c0 \uce58\uc218\uac00 \uc885\uc885 \ud63c\ub3d9\ub418\uace4 \ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc804\uccb4 \uc9c1\uacbd \uae4a\uc774:<\/strong> \uc9c0\uc815\ub41c \uc9c1\uacbd\uc5d0\uc11c\uc758 \uc6d0\ud1b5\ud615 \ub2e8\uba74\uc758 \uae38\uc774.<\/li>\n\n\n\n<li><strong>\ub4dc\ub9b4 \ud3ec\uc778\ud2b8 \uae4a\uc774:<\/strong> \uc6d0\ubfd4\ud615 \ub4dc\ub9b4 \ud301\uc744 \ud3ec\ud568\ud55c \ucd1d \uae4a\uc774.<\/li>\n\n\n\n<li><strong>\ub098\uc0ac\uc0b0 \uae4a\uc774:<\/strong> \uc644\uc804\ud558\uace0 \uc815\uc0c1\uc801\uc73c\ub85c \uc791\ub3d9\ud558\ub294 \ub098\uc0ac\uc0b0\uc758 \ud544\uc218 \uae38\uc774.<\/li>\n\n\n\n<li><strong>\ud0ed \ub4dc\ub9b4\ub9c1 \uae4a\uc774:<\/strong> \ud0ed \uac00\uacf5 \uc804 \uad6c\uba4d\uc758 \ucd1d \uae4a\uc774.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud0ed \ub4dc\ub9b4\ub9c1 \uae4a\uc774\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub098\uc0ac\uc0b0 \uae4a\uc774\ubcf4\ub2e4 \ud07d\ub2c8\ub2e4. \uc774 \uc5ec\ubd84\uc758 \uacf5\uac04\uc740 \ud0ed\uc758 \ubaa8\ub530\uae30, \ubbf8\uc644\uc131\ub41c \ub098\uc0ac\uc0b0 \ubc0f \uce69\uc744 \uc218\uc6a9\ud558\uae30 \uc704\ud55c \uac83\uc785\ub2c8\ub2e4. \uc774 \uce58\uc218\ub4e4\uc744 \ud63c\ub3d9\ud558\uba74 \ub098\uc0ac\uc0b0\uc774 \uc9e7\uc544\uc9c0\uac70\ub098 \ub098\uc0ac\uc0b0\uc774 \ub6ab\ub824\ubc84\ub9ac\ub294 \ud604\uc0c1\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ub9c9\ud798 \uad6c\uba4d\uc744 \ub098\ud0c0\ub0b4\ub294 \uae30\ud638\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"750\" height=\"475\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/08\/blind-hole-symbol.webp\" alt=\"\ub9c9\ud78c \uad6c\uba4d \uae30\ud638\" class=\"wp-image-13731\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/08\/blind-hole-symbol.webp 750w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/08\/blind-hole-symbol-300x190.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/08\/blind-hole-symbol-18x12.webp 18w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption class=\"wp-element-caption\">\ub9c9\ud78c \uad6c\uba4d \uae30\ud638<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8 \uc790\uccb4\ub85c \u201c\ub9f9\uacf5\u201d\uc744 \uc758\ubbf8\ud558\ub294 \ubcc4\ub3c4\uc758 \ubcf4\ud3b8\uc801\uc778 \uae30\ud638\ub294 \uc5c6\uc2b5\ub2c8\ub2e4. \ub3c4\uba74\uc5d0\uc11c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc9c1\uacbd \uae30\ud638\uc640 \uae4a\uc774 \uae30\ud638\ub97c \ud568\uaed8 \uc0ac\uc6a9\ud558\uac70\ub098, \uae4a\uc774\ub97c \ubb38\uc790\ub85c \ud45c\uae30\ud569\ub2c8\ub2e4. \ud754\ud788 \uc0ac\uc6a9\ub418\ub294 \ud45c\uae30\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\u230010 \u21a720<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub294 \uc9c1\uacbd 10 mm, \uc9c0\uc815\ub41c \uae4a\uc774 20 mm\uc778 \uad6c\uba4d\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774 \uae30\ud638\ub294 <code>\u2300<\/code> \uc9c1\uacbd\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uae30\ud638 <code>\u21a7<\/code> \uae4a\uc774\ub97c \uba85\uc2dc\ud569\ub2c8\ub2e4. \ud574\ub2f9 \ub3c4\uba74 \ud45c\uc900\uc5d0\uc11c\ub294 \uae4a\uc774\uac00 \uc804\uccb4 \uc9c1\uacbd \ub2e8\uba74\uc744 \uc758\ubbf8\ud558\ub294\uc9c0, \uc544\ub2c8\uba74 \ub4dc\ub9b4 \ub05d\uc810\uc744 \uc758\ubbf8\ud558\ub294\uc9c0 \uba85\ud655\ud788 \uc815\uc758\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uad6c\ubd84\uc774 \uae30\ub2a5\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294 \uacbd\uc6b0\uc5d0\ub294 \uc8fc\uc11d\uc744 \ucd94\uac00\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub098\uc0ac\uc0b0\uc774 \uc788\ub294 \ub9c9\ud798 \uad6c\uba4d\uc758 \uacbd\uc6b0, \ub3c4\uba74\uc5d0 \ub2e4\uc74c\uacfc \uac19\uc774 \uba85\uc2dc\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <code>M8 \u00d7 1.25-6H \u21a715<\/code>. \ud0ed-\ub4dc\ub9b4 \uae4a\uc774\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ubcc4\ub3c4\ub85c \uc9c0\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <code>\ud0ed \ub4dc\ub9b4 \u23006.8 \u21a720<\/code>. \uc774\ub97c \ud1b5\ud574 \uae30\uacc4 \uac00\uacf5\uc790\uac00 \ub098\uc0ac\uc0b0 \uae4a\uc774\uc640 \ucd1d \ub4dc\ub9b4\ub9c1 \uae4a\uc774\ub97c \ub3d9\uc77c\ud55c \uac12\uc73c\ub85c \ucde8\uae09\ud558\ub294 \uac83\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ub9f9\uacf5 vs \uad00\ud1b5\uacf5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uad00\ud1b5 \uad6c\uba4d\uc740 \uacf5\uc791\ubb3c\uc744 \uc644\uc804\ud788 \uad00\ud1b5\ud569\ub2c8\ub2e4. \uc774 \uad6c\uba4d\uc758 \uac1c\ubc29\ub41c \ub05d\ubd80\ubd84 \ub355\ubd84\uc5d0 \uce69 \ubc30\ucd9c\uc774 \uc218\uc6d4\ud574\uc9c0\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc9c0\ub9cc, \ucd9c\uad6c \ubd80\ubd84\uc5d0 \ubc84\uac00 \uc0dd\uae30\uac70\ub098 \ud30c\uc190\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"750\" height=\"422\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/08\/blind-hole-vs-through-hole.webp\" alt=\"blind hole vs through hole\" class=\"wp-image-13724\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/08\/blind-hole-vs-through-hole.webp 750w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/08\/blind-hole-vs-through-hole-300x169.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/08\/blind-hole-vs-through-hole-18x10.webp 18w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9c9\ud78c \uad6c\uba4d\uc740 \ubc18\ub300\ucabd \ud45c\uba74\uc744 \uc190\uc0c1\uc2dc\ud0a4\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \ubc14\ub2e5 \ud615\uc0c1\uacfc \uc794\uc5ec \ubcbd \ub450\uaed8\ub97c \ub354\uc6b1 \uc815\ubc00\ud558\uac8c \uad00\ub9ac\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\ud2b9\uc9d5<\/th><th>\ub9c9\ud78c \uad6c\uba4d<\/th><th>\uad00\ud1b5 \uad6c\uba4d<\/th><\/tr><\/thead><tbody><tr><td>\uc885\ub8cc \uc870\uac74<\/td><td>\ubd80\ud488 \ub0b4\ubd80\uc5d0\uc11c \uba48\ucda4<\/td><td>\uc591\ucabd\uc5d0\uc11c \ubaa8\ub450 \uc5f4\ub9bd\ub2c8\ub2e4<\/td><\/tr><tr><td>\uce69 \ubc30\ucd9c<\/td><td>\uce69\uc740 \uc785\uad6c\ub97c \ud1b5\ud574 \ubc18\ud658\ub429\ub2c8\ub2e4.<\/td><td>\uce69\uc740 \uc591\ucabd \ub05d \uc911 \uc5b4\ub290 \ucabd\uc5d0\uc11c\ub098 \ube60\uc838\ub098\uc62c \uc218 \uc788\uc2b5\ub2c8\ub2e4<\/td><\/tr><tr><td>\uae4a\uc774 \uc870\uc808<\/td><td>\uc911\uc694<\/td><td>\uc77c\ubc18\uc801\uc73c\ub85c \ube0c\ub808\uc774\ud06c\uc2a4\ub8e8 \ubc0f \ucd9c\ud558 \ud488\uc9c8\uc5d0 \ub300\ud55c \uac80\uc99d\uc744 \uac70\uce69\ub2c8\ub2e4.<\/td><\/tr><tr><td>\ubc14\ub2e5 \ud615\uc0c1<\/td><td>\uc6d0\ubfd4\ud615, \ud3c9\ud3c9\ud55c \ud615\ud0dc \ub610\ub294 \ud2b9\uc218\ud558\uac8c \uc131\ud615\ub41c<\/td><td>\ubc14\ub2e5\uc774 \ub9c9\ud600 \uc788\uc9c0 \uc54a\uc74c<\/td><\/tr><tr><td>\ud0ed\ud551<\/td><td>\ubc14\ub2e5 \uc5ec\uc720 \uacf5\uac04\uacfc \uc0c1\ud5a5 \uce69 \uc81c\uc5b4 \uae30\ub2a5\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/td><td>\uce69\uc744 \uc55e\uc73c\ub85c \ubc00\uc5b4\ub0b4\ub294 \ub3c4\uad6c\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4<\/td><\/tr><tr><td>\uc77c\ubc18\uc801\uc778 \uc704\ud5d8 \uc694\uc18c<\/td><td>\uaf49 \ucc2c \uce69, \uacfc\ub3c4\ud55c \uc5f4, \ud30c\uc190\ub41c \uacf5\uad6c \ubc0f \uad00\ud1b5<\/td><td>\uac70\uce5c \uac00\uc7a5\uc790\ub9ac, \ud30c\uc190 \ubc0f \ubaa8\uc11c\ub9ac \uc190\uc0c1 \uc81c\uac70<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5b4\ub290 \ud55c\ucabd \uc124\uacc4 \ubc29\uc2dd\uc774 \ud56d\uc0c1 \ub354 \uc800\ub834\ud558\uac70\ub098 \ub354 \uc815\ud655\ud558\ub2e4\uace0 \ud560 \uc218\ub294 \uc5c6\uc2b5\ub2c8\ub2e4. \ube44\uc6a9\uc740 \uc7ac\uc9c8, \uc9c1\uacbd, \uae4a\uc774, \uacf5\ucc28 \ubc0f \uac80\uc0ac \uacc4\ud68d\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc77c\ubc18\uc801\uc778 \ub9c9\ud78c \uad6c\uba4d\uc758 \uc885\ub958<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\ud45c\uc900 \ub4dc\ub9b4\ub9c1 \ub9f9\uacf5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uad6c\uba4d\ub4e4\uc740 \ud2b8\uc704\uc2a4\ud2b8 \ub4dc\ub9b4\ub85c \uac00\uacf5\ub429\ub2c8\ub2e4. \uc774 \uad6c\uba4d\ub4e4\uc740 \uc6d0\ubfd4\ud615 \ubc14\ub2e5\uc774 \ud5c8\uc6a9\ub418\ub294 \uacbd\uc6b0\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud3c9\uc800 \ub9f9\uacf5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud3c9\ud3c9\ud55c \ubc14\ub2e5\uc744 \uac00\uc9c4 \uad6c\uba4d\uc740 \uc815\ubc00\ud55c \ucc29\uc88c\uba74\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 \ud3c9\uc800 \ub4dc\ub9b4, \ubc00\ub9c1 \ub610\ub294 \ubcf4\ub9c1 \uacf5\uc815\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc9c4\ub3d9\uc744 \ucd5c\uc18c\ud654\ud560 \uc218 \uc788\uc744 \ub9cc\ud07c \uc124\ube44\uac00 \ucda9\ubd84\ud788 \uacac\uace0\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ub098\uc0ac\uc0b0 \ube14\ub77c\uc778\ub4dc \ud640<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub098\uc0ac\uc0b0\uc774 \uc788\ub294 \ub9c9 \uad6c\uba4d\uc740 \ubc18\ub300\ucabd \uba74\uc744 \ub6ab\uc9c0 \uc54a\uace0\ub3c4 \ub0b4\ubd80\uc5d0\uc11c \uace0\uc815\ud560 \uc218 \uc788\uac8c \ud574\uc90d\ub2c8\ub2e4. \uc774 \uacbd\uc6b0, \ud0ed\uc758 \ud53c\uce58\uc640 \uce69\uc774 \ube60\uc838\ub098\uac08 \uc218 \uc788\ub3c4\ub85d \ub098\uc0ac\uc0b0 \ub05d \ubd80\ubd84 \uc544\ub798\uc5d0 \uc5ec\uc720 \uacf5\uac04\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ub9ac\ubc0d \ub610\ub294 \ubcf4\ub9c1 \uac00\uacf5\ub41c \ub9c9\ud78c \uad6c\uba4d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9ac\ubc0d\uacfc \ubcf4\ub9c1\uc740 \uc9c1\uacbd, \uc9c4\uc6d0\ub3c4, \uc704\uce58 \ub610\ub294 \ud45c\uba74 \ub9c8\uac10\uc744 \uac1c\uc120\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub9ac\uba38\ub294 \uc0ac\uac01\ud615 \ubc14\ub2e5\uba74\uc744 \uc808\uc0ad\ud560 \uc218 \uc5c6\uc73c\uba70, \ubc14\ub2e5 \uc5ec\uc720 \uacf5\uac04\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \ubcf4\ub9c1\uc744 \ud1b5\ud574 \uc704\uce58\uc640 \uc9c1\uacbd\uc744 \ub354 \uc815\ubc00\ud558\uac8c \uc870\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uce74\uc6b4\ud130\ubcf4\uc5b4 \ucc98\ub9ac\ub41c \ub9c9\ud78c \uad6c\uba4d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uce74\uc6b4\ud130\ubcf4\uc5b4\ub294 \uc785\uad6c \ubd80\uadfc\uc5d0 \uc6d0\ud1b5\ud615 \ub2e8\ucc28\ub97c \ud615\uc131\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub098\uc0ac \uba38\ub9ac\ub97c \ub9e4\ub9bd\ud558\uac70\ub098 \uc7a5\ucc29\uba74\uc744 \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uce74\uc6b4\ud130\ubcf4\uc5b4\uc758 \uc9c1\uacbd\uacfc \uae4a\uc774\ub294 \ubcc4\ub3c4\ub85c \uba85\uae30\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"422\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/08\/type-of-blind-hole.webp\" alt=\"\ub9c9\ud798 \uad6c\uba4d\uc758 \uc885\ub958\" class=\"wp-image-13723\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/08\/type-of-blind-hole.webp 750w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/08\/type-of-blind-hole-300x169.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/08\/type-of-blind-hole-18x10.webp 18w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption class=\"wp-element-caption\">\ub9c9\ud798 \uad6c\uba4d\uc758 \uc885\ub958<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\ud0ed \uad6c\uba4d, \ud30c\uc77c\ub7ff \uad6c\uba4d \ubc0f \ud074\ub9ac\uc5b4\ub7f0\uc2a4 \uad6c\uba4d\uc774 \ub9c9\ud78c \uad6c\uba4d\uacfc \uc5b4\ub5a4 \uad00\ub828\uc774 \uc788\ub294\uac00<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uc6a9\uc5b4\ub4e4\uc740 \uc11c\ub85c \ub2e4\ub978 \ud2b9\uc9d5\uc774\ub098 \uacf5\uc815 \ub2e8\uacc4\ub97c \uc124\uba85\ud569\ub2c8\ub2e4. \uc774 \uc6a9\uc5b4\ub4e4\uc740 \ubaa8\ub450 \ub9c9\ud78c \uad6c\uba4d \uc870\ub9bd \uacfc\uc815\uc5d0\uc11c \ub098\ud0c0\ub0a0 \uc218 \uc788\uc9c0\ub9cc, \uadf8\uc911 \uc5b4\ub290 \uac83\ub3c4 \ub9c9\ud78c \uad6c\uba4d\uc758 \ub2e4\ub978 \uc774\ub984\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ub098\uc0ac\uc0b0 \uad6c\uba4d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub098\uc0ac \uad6c\uba4d\uc5d0\ub294 \ub0b4\ubd80 \ub098\uc0ac\uc0b0\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uad6c\uba4d\uc740 \ub9c9\ud78c \uad6c\uba4d\uc774\uac70\ub098 \uad00\ud1b5 \uad6c\uba4d\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub9c9\ud78c \ub098\uc0ac \uad6c\uba4d\uc758 \uacbd\uc6b0, \ud0ed\uc758 \ud53c\uce58\uc640 \uce69\uc744 \uc218\uc6a9\ud558\uae30 \uc704\ud574 \ub098\uc0ac\uc0b0\uc774 \ub05d\ub098\ub294 \uc9c0\uc810 \uc544\ub798\ub85c \ucd94\uac00\uc801\uc778 \uae4a\uc774\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uac00\uacf5 \uad6c\uba4d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00\uacf5 \uad6c\uba4d(pilot hole)\uc740 \ub354 \ud070 \ub4dc\ub9b4\uc744 \uc548\ub0b4\ud558\uac70\ub098 \uc704\uce58\ub97c \uc815\ud655\ud788 \uc7a1\uae30 \uc704\ud574 \ub6ab\ub294 \uc791\uc740 \uc2dc\uc791 \uad6c\uba4d\uc744 \ub9d0\ud569\ub2c8\ub2e4. \ub610\ud55c \ub2e4\ub978 \uacf5\uc815\uc744 \uc9c4\ud589\ud558\uae30 \uc804\uc5d0 \ub6ab\ub294 \uad6c\uba4d\uc744 \uac00\ub9ac\ud0a4\uae30\ub3c4 \ud569\ub2c8\ub2e4. \ub098\uc0ac\uc0b0 \uac00\uacf5\uc758 \uacbd\uc6b0, \ub354 \uc815\ud655\ud55c \uc6a9\uc5b4\ub294 \u2018\ud0ed \ub4dc\ub9b4 \uad6c\uba4d\u2019\uc785\ub2c8\ub2e4. \ubaa8\ub4e0 \ub9c9\uad6c\uba4d\uc5d0 \ubcc4\ub3c4\uc758 \uac00\uacf5 \uad6c\uba4d\uc774 \ud544\uc694\ud55c \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud1b5\uae30 \uad6c\uba4d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uccad\uc18c \uad6c\uba4d\uc740 \uccb4\uacb0\uccb4\uc758 \uc0e4\ud504\ud2b8\ubcf4\ub2e4 \ud06c\ubbc0\ub85c, \uccb4\uacb0\uccb4\uac00 \ub098\uc0ac\uc0b0\uacfc \ub9de\ubb3c\ub9ac\uc9c0 \uc54a\uace0 \ud1b5\uacfc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \uccab \ubc88\uc9f8 \ubd80\ud488\uc5d0\ub294 \uad00\ud1b5 \uad6c\uba4d\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uacb0\ud569\ub418\ub294 \ubd80\ud488\uc5d0\ub294 \ub9c9\ud78c \ub098\uc0ac \uad6c\uba4d\uc774 \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud2b9\uc218\ud55c \uacc4\ub2e8\ud615 \ub610\ub294 \uc624\ubaa9\ud55c \uc124\uacc4\uc758 \uacbd\uc6b0 \ud074\ub9ac\uc5b4\ub7f0\uc2a4 \ud640\uc774 \ub9c9\ud78c \uad6c\uba4d\uc77c \uc218\ub3c4 \uc788\uc9c0\ub9cc, \u201c\ud074\ub9ac\uc5b4\ub7f0\uc2a4\u201d\ub294 \ub9de\ubb3c\ub9bc \uc0c1\ud0dc\ub97c \ub098\ud0c0\ub0b4\ub294 \ubc18\uba74 \u201c\ub9c9\ud798\u201d\uc740 \ub05d\ub2e8 \uc0c1\ud0dc\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"422\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/08\/tapped-hole-vs-pilot-hole-vs-clearance-blind-tapped-hole.webp\" alt=\"\ub098\uc0ac \uad6c\uba4d vs \ud30c\uc77c\ub7ff \uad6c\uba4d vs \uc5ec\uc720 \uacf5\uac04\uc774 \uc788\ub294 \ub9c9\ub098\uc0ac \uad6c\uba4d\" class=\"wp-image-13725\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/08\/tapped-hole-vs-pilot-hole-vs-clearance-blind-tapped-hole.webp 750w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/08\/tapped-hole-vs-pilot-hole-vs-clearance-blind-tapped-hole-300x169.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/08\/tapped-hole-vs-pilot-hole-vs-clearance-blind-tapped-hole-18x10.webp 18w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption class=\"wp-element-caption\">\ub098\uc0ac \uad6c\uba4d vs \ud30c\uc77c\ub7ff \uad6c\uba4d vs \uc5ec\uc720 \uacf5\uac04\uc774 \uc788\ub294 \ub9c9\ub098\uc0ac \uad6c\uba4d<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\uc65c \ub9c9\ud78c \uad6c\uba4d\uc744 \uc0ac\uc6a9\ud560\uae4c\uc694?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9c9\ud640\uc740 \ubc18\ub300\ucabd \ud45c\uba74\uc744 \ud6fc\uc190\ud558\uc9c0 \uc54a\uc544\uc57c \ud560 \ub54c \uc720\uc6a9\ud569\ub2c8\ub2e4. \ub610\ud55c \uc778\uadfc\uc758 \ud1b5\ub85c, \uacf5\ub3d9 \ub610\ub294 \ubc00\ubd09\uba74\uc744 \ud53c\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \uc124\uacc4\uc0c1\uc758 \uc774\uc720\ub85c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uac83\ub4e4\uc774 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc678\ubd80 \ud45c\uba74\uc774\ub098 \uae30\ub2a5\uc801 \ud45c\uba74\uc744 \uc628\uc804\ud558\uac8c \uc720\uc9c0\ud568\uc73c\ub85c\uc368;<\/li>\n\n\n\n<li>\ub098\uc0ac, \ud540, \uc13c\uc11c \ub610\ub294 \ucee4\ub125\ud130\ub97c \ud55c\ucabd \uba74\uc5d0\uc11c \uc7a5\ucc29\ud558\ub294 \uac83;<\/li>\n\n\n\n<li>\uc720\uccb4 \ud1b5\ub85c\ub098 \ub0b4\ubd80 \uacf5\ub3d9\uc744 \ud53c\ud558\ub294;<\/li>\n\n\n\n<li>\ubc18\ub300\ucabd \uba74\uc5d0 \uc774\ubb3c\uc9c8\uc774 \uc0dd\uae30\ub294 \uac83\uc744 \ubc29\uc9c0\ud558\uace0;<\/li>\n\n\n\n<li>\uae4a\uc774\uac00 \uc81c\uc5b4\ub418\ub294 \uc704\uce58 \uc9c0\uc815 \ub610\ub294 \uc555\uc785 \ud53c\ud305\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \uc774\uc810\ub4e4\uc740 \uc870\uac74\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \ub9c9\ud78c \uad6c\uba4d\uc774 \uc788\ub2e4\uace0 \ud574\uc11c \ubd80\ud488\uc774 \uc790\ub3d9\uc73c\ub85c \ub354 \uac15\ud574\uc9c0\uac70\ub098 \uac00\ubcbc\uc6cc\uc9c0\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4. \ub610\ud55c \uc555\ub825 \ubc00\ubd09\uc744 \ubcf4\uc7a5\ud558\uc9c0\ub3c4 \uc54a\uc2b5\ub2c8\ub2e4. \uad6c\uba4d \ubc14\ub2e5 \ubd80\ubd84\uc5d0\uc11c \uad6d\ubd80\uc801\uc778 \uc751\ub825 \uc9d1\uc911\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac15\ub3c4, \ub204\uc124 \ubc0f \ud53c\ub85c \uc218\uba85\uc740 \uc2e4\uc81c \ud615\uc0c1\uacfc \ud558\uc911\uc744 \uace0\ub824\ud558\uc5ec \ubc18\ub4dc\uc2dc \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ub9c9\ud78c \uad6c\uba4d \uc124\uacc4\uc758 \uc7a5\uc810\uacfc \ub2e8\uc810<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9c9\ud78c \uad6c\uba4d\uc740 \uc811\uadfc\uc131, \uc678\uad00 \ubc0f \uc870\ub9bd\uc0c1\uc758 \ubb38\uc81c\ub97c \ud574\uacb0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uc81c\uc870\uc0c1\uc758 \uc81c\uc57d \uc0ac\ud56d\uc744 \ucd08\ub798\ud558\ubbc0\ub85c, \ub3c4\uba74\uc744 \uc2b9\uc778\ud558\uae30 \uc804\uc5d0 \uc774\ub97c \uac80\ud1a0\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uc7a5\uc810<\/th><th>\ub2e8\uc810<\/th><\/tr><\/thead><tbody><tr><td>\ub300\ud5a5 \ud45c\uba74\uc744 \uc190\uc0c1\uc2dc\ud0a4\uc9c0 \uc54a\uace0 \ucd9c\uad6c \ucabd\uc5d0 \ubc84\uac00 \uc0dd\uae30\ub294 \uac83\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/td><td>\uae4a\uc774, \ubc14\ub2e5 \ud615\uc0c1 \ubc0f \uc794\uc5ec \ubcbd \ub450\uaed8\uc5d0 \ub300\ud55c \ubcf4\ub2e4 \uc815\ubc00\ud55c \uc81c\uc5b4\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/td><\/tr><tr><td>\uc228\uaca8\uc9c4 \uace0\uc815 \ubc29\uc2dd \ubc0f \uc77c\uce21 \uc870\ub9bd\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4<\/td><td>\uce69\uc758 \ubc30\ucd9c\uacfc \ub0c9\uac01\uc744 \ub354 \uc5b4\ub835\uac8c \ub9cc\ub4e0\ub2e4<\/td><\/tr><tr><td>\uc778\uadfc \ud1b5\ub85c, \uacf5\ub3d9 \ubc0f \uae30\ub2a5\uc131 \ud45c\uba74\uc744 \ud53c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4<\/td><td>\ub4dc\ub9b4\ub9c1 \ubc0f \ud0dc\ud551 \uc791\uc5c5\uc744 \uc704\ud574\uc11c\ub294 \ubc14\ub2e5\uba74\uacfc\uc758 \uc5ec\uc720 \uacf5\uac04\uc774 \ucd94\uac00\ub85c \ud544\uc694\ud569\ub2c8\ub2e4.<\/td><\/tr><tr><td>\uae4a\uc774\ub97c \uc815\ubc00\ud558\uac8c \uc81c\uc5b4\ud558\ub294 \uc704\uce58 \uc9c0\uc815, \uc555\uc785 \ub610\ub294 \ub098\uc0ac\uc0b0 \uac00\uacf5 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/td><td>\uc870\ub9bd \uacfc\uc815\uc5d0\uc11c \uce69, \uc808\uc0ad\uc720 \ub610\ub294 \uacf5\uae30\ub97c \ud3ec\uc9d1\ud558\uc5ec \uc720\uc555 \uc7a0\uae40 \ud604\uc0c1\uc744 \uc77c\uc73c\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4<\/td><\/tr><tr><td>\ub3d9\uc77c\ud55c \uc704\uce58\uc5d0 \uc788\ub294 \ub3d9\ub4f1\ud55c \uc2a4\ub8e8\ud640\ubcf4\ub2e4 \ub354 \ub9ce\uc740 \uc7ac\ub8cc\ub97c \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/td><td>\uc815\ubc00\ub3c4 \uc694\uad6c \uc218\uc900\uc774 \ub192\uac70\ub098 \uacf5\ucc28\uac00 \uc5c4\uaca9\ud55c \uad6c\uba4d\uc758 \uacbd\uc6b0, \ud2b9\uc218 \uacf5\uad6c, \ucd94\uac00 \uacf5\uc815 \ubc0f \ub354 \ub9ce\uc740 \uac80\uc0ac\uac00 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/td><\/tr><tr><td>\ubd80\ud488\uc5d0 \ub6ab\ub9b0 \uc9c1\ud1b5 \uad6c\uba4d\uc744 \uc81c\uac70\ud569\ub2c8\ub2e4.<\/td><td>\ubc00\ubd09\uc744 \ubcf4\uc7a5\ud558\uc9c0 \uc54a\uc73c\uba70, \uad6d\ubd80\uc801\uc778 \uc751\ub825 \uc9d1\uc911\uc744 \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc62c\ubc14\ub978 \uc120\ud0dd\uc740 \uae30\ub2a5, \uc811\uadfc\uc131 \ubc0f \uc81c\uc870 \uc704\ud5d8\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uad00\ud1b5\uacf5\uc774 \uc124\uacc4 \uc694\uac74\uc744 \ucda9\uc871\ud55c\ub2e4\uba74, \uce69 \uc81c\uac70 \ubc0f \uac80\uc0ac\uac00 \ub354 \uac04\ud3b8\ud574\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubc18\ub300\ucabd \ud45c\uba74\uc744 \ub2eb\ud78c \uc0c1\ud0dc\ub85c \uc720\uc9c0\ud574\uc57c \ud558\ub294 \uacbd\uc6b0, \ub9c9\ud78c \uad6c\uba4d\uc774 \ub354 \ub098\uc740 \ud574\uacb0\ucc45\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ub9c9\ud78c \uad6c\uba4d\uc740 \uc5b4\ub5bb\uac8c \uac00\uacf5\ub418\ub098\uc694?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \ub3c4\uba74 \uac80\ud1a0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uae30\uacc4 \uac00\uacf5 \uae30\uc220\uc790\ub294 \uc9c1\uacbd, \uc704\uce58, \uae4a\uc774, \ubc14\ub2e5 \ud615\uc0c1 \ubc0f \uc794\uc5ec \ubcbd \ub450\uaed8\ub97c \uc810\uac80\ud569\ub2c8\ub2e4. \ub098\uc0ac\uacf5\uc758 \uacbd\uc6b0 \ubcc4\ub3c4\uc758 \ud0ed-\ub4dc\ub9b4 \uae4a\uc774\uc640 \uc804\uccb4 \ub098\uc0ac\uc0b0 \uae4a\uc774\ub97c \uce21\uc815\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \uacf5\uc791\ubb3c \uace0\uc815\ud558\uae30 <a href=\"https:\/\/weldomachining.com\/ko\/what-is-a-datum\/\" data-type=\"post\" data-id=\"11144\">\uae30\uc900\uc810<\/a><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uae4a\uc774 \uc815\ubc00\ub3c4\ub294 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uae30\uc900\uba74\uc5d0 \ub2ec\ub824 \uc788\uc2b5\ub2c8\ub2e4. \uacf5\uad6c \uae38\uc774, \ud3b8\uc2ec\ub3c4 \ubc0f \uc2e4\uc81c \uc0c1\ub2e8\uba74\uc744 \ubc18\ub4dc\uc2dc \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4. \ud45c\uba74\uc774 \uace0\ub974\uc9c0 \uc54a\uc740 \uacbd\uc6b0 \uc2a4\ud31f\ud398\uc774\uc2f1\uc774 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \uacf5\uad6c \ubc0f \uce69 \uc81c\uc5b4 \uc804\ub7b5 \uc120\ud0dd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc801\ud569\ud55c \uacf5\uad6c \uc911 \uac00\uc7a5 \uc9e7\uc740 \uac83\uc774 \ub300\uac1c \uac00\uc7a5 \ub6f0\uc5b4\ub09c \uac15\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uacf5\uad6c\uc758 \ud615\uc0c1\uacfc \uc808\uc0ad\uc720 \uacf5\uae09 \ubc29\uc2dd\uc740 \uac00\uacf5 \uc7ac\ub8cc\uc5d0 \ub9de\ucdb0\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubd80 \uad6c\uba4d\uc758 \uacbd\uc6b0, \ud399 \ub4dc\ub9b4\ub9c1\uc744 \ud1b5\ud574 \uce69\uc744 \ubd84\uc1c4\ud558\uace0 \uc81c\uac70\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc774\uac83\uc774 \ud56d\uc0c1 \ucd5c\uc120\uc758 \ubc29\ubc95\uc740 \uc544\ub2d9\ub2c8\ub2e4. \ucd5c\uc2e0 \ub0b4\ub0c9\uac01 \ub4dc\ub9b4\uc740 \uc548\uc815\uc801\uc774\uace0 \uc9c0\uc18d\uc801\uc778 \uc774\uc1a1 \uc18d\ub3c4\ub97c \uc720\uc9c0\ud560 \ub54c \ub354 \ub098\uc740 \uc131\ub2a5\uc744 \ubc1c\ud718\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uacf5\uad6c \uc81c\uc870\uc0ac\uc758 \uc9c0\uce68\uacfc \ud604\uc7a5 \uc2dc\ud5d8 \uacb0\uacfc\ub97c \ubc14\ud0d5\uc73c\ub85c \uacb0\uc815\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. \uc815\ud574\uc9c4 \uae4a\uc774\uae4c\uc9c0 \uc2dc\ucd94\ud558\uae30<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CNC \ud504\ub85c\uadf8\ub7a8\uc5d0\uc11c\ub294 \ub4dc\ub9b4 \ub05d\ub2e8\uc758 \ud615\uc0c1\uacfc \uacf5\uad6c \uae38\uc774 \ubcf4\uc815\uc744 \ubc18\ub4dc\uc2dc \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \ub4dc\ub9b4\uc774 \ud55c \uacf3\uc5d0 \uba38\ubb34\ub974\uac70\ub098 \ub9c8\ucc30\uc774 \ubc1c\uc0dd\ud558\uba74 \ubc1c\uc5f4\uc774 \uc99d\uac00\ud558\uace0 \uac00\uacf5 \uacbd\ud654\uac00 \uc77c\uc5b4\ub0a0 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. \ud544\uc218 \uae30\ub2a5 \uc644\uc131\ud558\uae30<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uad6c\uba4d \uac00\uacf5 \ud6c4\uc5d0\ub294 \ubcf4\ub9c1, \ub9ac\ubc0d, \ud3c9\uc800 \uac00\uacf5 \ub610\ub294 \ub098\uc0ac \uac00\uacf5\uc774 \uc774\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac01 \ub2e8\uacc4\ub9c8\ub2e4 \ucda9\ubd84\ud55c \uce69 \ubc30\ucd9c \uacf5\uac04\uacfc \uacf5\uad6c \uc5ec\uc720 \uacf5\uac04\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6. \uad6c\uba4d \uccad\uc18c \ubc0f \uc810\uac80<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc808\uc0ad \ubd80\uc2a4\ub7ec\uae30\uc640 \uc808\uc0ad\uc720\uac00 \ubc14\ub2e5\uc5d0 \ub0a8\uc544 \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac8c\uc774\uc9c0 \uce21\uc815\uc774\ub098 \uc870\ub9bd \uc804\uc5d0 \uad6c\uba4d\uc744 \uccad\uc18c\ud55c \ub2e4\uc74c, \uae30\ub2a5\uc744 \uc81c\uc5b4\ud558\ub294 \uce58\uc218\ub97c \uc810\uac80\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ub9f9\uacf5 \ud0ed \uac00\uacf5 \ubc29\ubc95<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9c9\ud78c \uad6c\uba4d\uc758 \ub098\uc0ac \uac00\uacf5\uc740 \uad00\ud1b5 \uad6c\uba4d\uc758 \ub098\uc0ac \uac00\uacf5\ubcf4\ub2e4 \ub354 \uae4c\ub2e4\ub86d\uc2b5\ub2c8\ub2e4. \uce69\uc774 \ubc18\ub300\ud3b8\uc73c\ub85c \ube60\uc838\ub098\uac08 \uc218 \uc5c6\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \uce69\uc774 \ud0ed \uc544\ub798\uc5d0 \uc313\uc774\uba74 \ud1a0\ud06c\uac00 \uc99d\uac00\ud558\uc5ec \uacf5\uad6c\uac00 \ubd80\ub7ec\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ub098\uc120\ud615 \ud648 \ud0ed<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub098\uc120\ud615 \ud648\uc774 \uc788\ub294 \ud0ed\uc740 \uce69\uc744 \uc785\uad6c \ucabd\uc73c\ub85c \ub04c\uc5b4\ub2f9\uae41\ub2c8\ub2e4. \ud648\uc758 \ud615\uc0c1\uc740 \uac00\uacf5 \ub300\uc0c1 \uc7ac\ub8cc\uc640 \ub098\uc0ac\uc0b0 \uae4a\uc774\uc5d0 \ub9de\ucdb0\uc838\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ubc14\ub2e5\uc6a9 \ud0ed<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc14\ud140 \ud0ed\uc740 \ubaa8\ub530\uae30\uac00 \uc9e7\uc73c\uba70, \ub098\uc0ac\uc0b0 \ub05d\ubd80\ubd84\uc5d0 \ub354 \uac00\uae5d\uac8c \uc644\uc804\ud55c \ub098\uc0ac\uc0b0\uc744 \uac00\uacf5\ud569\ub2c8\ub2e4. \uadf8\ub798\ub3c4 \ubbf8\uc644\uc131\ub41c \ub098\uc0ac\uc0b0\uacfc \uce69\uc744 \uc704\ud55c \uc5ec\uc720 \uacf5\uac04\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc131\ud615 \ud0ed<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc131\ud615 \ud0ed\uc740 \uc7ac\ub8cc\ub97c \ubcc0\ud615\uc2dc\ud0ac \ubfd0 \uce69\uc744 \ubc1c\uc0dd\uc2dc\ud0a4\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ud2b9\uc815 \uc5f0\uc131 \uc7ac\ub8cc\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \ud30c\uc77c\ub7ff \uad6c\uba4d\uc758 \uc9c1\uacbd\uacfc \uc724\ud65c \uc0c1\ud0dc\ub97c \uc138\uc2ec\ud558\uac8c \uc870\uc808\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ub098\uc0ac \ubc00\ub9c1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub098\uc0ac\uc0b0 \ubc00\ub9c1\uc740 \uc6d0\ud615 \ubcf4\uac04\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub098\uc0ac\uc0b0\uc744 \uac00\uacf5\ud569\ub2c8\ub2e4. \uc774 \uacf5\uc815\uc740 \uce58\uc218 \uc870\uc815 \ubc0f \uc81c\uc5b4\ub41c \uce69 \uc81c\uac70\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \ub300\ud615 \ub098\uc0ac\uc0b0\uc774\ub098 \uace0\uac00\uc758 \ubd80\ud488 \uac00\uacf5\uc5d0 \uc720\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00\uc7a5 \uc801\ud569\ud55c \ubc29\ubc95\uc740 \uc7ac\uc9c8, \ub098\uc0ac\uc0b0 \ud06c\uae30, \uac00\uacf5 \uae4a\uc774, \uac00\uacf5 \uc218\ub7c9 \ubc0f \uae30\uacc4\uc758 \uc131\ub2a5\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \ubaa8\ub4e0 \ub9c9\ud78c \uad6c\uba4d\uc5d0 \ub300\ud574 \ub2e8 \ud558\ub098\uc758 \ud0ed \uc720\ud615\uc774 \uc815\ub2f5\uc774\ub77c\uace0 \ud560 \uc218\ub294 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"525\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2025\/12\/end-mill-.webp\" alt=\"\uc5d4\ub4dc\ubc00\" class=\"wp-image-6342\" style=\"width:600px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2025\/12\/end-mill-.webp 700w, https:\/\/weldomachining.com\/wp-content\/uploads\/2025\/12\/end-mill--300x225.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2025\/12\/end-mill--16x12.webp 16w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\ub9f9\uacf5 \uc124\uacc4 \uc9c0\uce68<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud6cc\ub96d\ud55c \uc124\uacc4\ub294 \uac00\uacf5 \uc704\ud5d8\uc744 \uc904\uc774\uace0 \uac80\uc0ac\uc758 \uc2e0\ub8b0\uc131\uc744 \ub192\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\uae4a\uc774 \uae30\uc900\uc810\uc744 \uc815\uc758\ud558\uc2ed\uc2dc\uc624.<\/strong> \ud574\ub2f9 \uce58\uc218\uac00 \uc804\uccb4 \uc9c1\uacbd \uae4a\uc774\uc778\uc9c0, \ub4dc\ub9b4 \ub05d\ub2e8 \uae4a\uc774\uc778\uc9c0 \uba85\uc2dc\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li><strong>\ub098\uc0ac\uc0b0 \uac00\uacf5 \uae4a\uc774\uc640 \ud0ed\u00b7\ub4dc\ub9b4 \uac00\uacf5 \uae4a\uc774\ub97c \uad6c\ubd84\ud558\uc2ed\uc2dc\uc624.<\/strong> \uc81c\uc870\uc0ac\uac00 \ud544\uc694\ud55c \ud558\ub2e8 \uc5ec\uc720\ubd84\uc744 \ucd94\ub860\ud574 \uc904 \uac83\uc774\ub77c\uace0 \uae30\ub300\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li><strong>\uac00\ub2a5\ud55c \uacbd\uc6b0 \ud45c\uc900 \ub4dc\ub9b4 \uc9c0\uc810\uc744 \ud5c8\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/strong> \ubc14\ub2e5\uc774 \ud3c9\ud3c9\ud558\uba74 \ub3c4\uad6c \ud558\ub098\ub098 \uc791\uc5c5 \ub2e8\uacc4\uac00 \ub354 \ucd94\uac00\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ubd88\ud544\uc694\ud55c \uae4a\uc774\ub294 \ud53c\ud558\uc2ed\uc2dc\uc624.<\/strong> \uc9c1\uacbd \ub300\ube44 \uae4a\uc774 \ube44\uc728\uc774 \ub192\uc73c\uba74 \uacf5\uad6c\uc758 \uac15\uc131\uc774 \uc800\ud558\ub418\uace0 \uce69 \uc81c\uac70\uac00 \ub354 \uc5b4\ub824\uc6cc\uc9c4\ub2e4.<\/li>\n\n\n\n<li><strong>\ub0a8\uc544 \uc788\ub294 \ubcbd\uc744 \ubcf4\ud638\ud558\uc2ed\uc2dc\uc624.<\/strong> \ubc18\ub300\ucabd \uba74, \uc778\uadfc \uad6c\uba4d, \ud648 \ubc0f \uc587\uc740 \ubd80\ubd84\uae4c\uc9c0\uc758 \uac70\ub9ac\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li><strong>\uae30\ub2a5 \uacf5\ucc28\ub9cc \uba85\uc2dc\ud558\uc2ed\uc2dc\uc624.<\/strong> \uc9c1\uacbd, \uc704\uce58 \ubc0f \ud45c\uba74 \ub9c8\uac10\uc5d0 \ub300\ud55c \uc5c4\uaca9\ud55c \ud5c8\uc6a9 \uc624\ucc28\ub85c \uc778\ud574 \uacf5\uc815 \ubc0f \uac80\uc0ac \uc694\uac74\uc774 \uac15\ud654\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ub3c4\uad6c \uc0ac\uc6a9 \uad8c\ud55c\uc744 \ubd80\uc5ec\ud558\uc2ed\uc2dc\uc624.<\/strong> \ube44\uc2a4\ub4ec\ud55c \uad6c\uba4d\uc774\ub098 \uc624\ubaa9\ud558\uac8c \ud30c\uc778 \uc785\uad6c\uc758 \uacbd\uc6b0, \ud2b9\uc218 \uacf5\uad6c\ub098 \ucd94\uac00\uc801\uc778 \uc124\uc815\uc774 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uac07\ud78c \uc720\uccb4\ub97c \uc0dd\uac01\ud574 \ubcf4\uc790.<\/strong> \ub2eb\ud78c \uad6c\uba4d\uc5d0 \ub098\uc0ac\uac00 \ub4e4\uc5b4\uac00\uba74 \uc624\uc77c, \ub0c9\uac01\uc218 \ub610\ub294 \uacf5\uae30\uac00 \uc555\ucd95\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 \uc720\uc555 \uc7a0\uae40 \ud604\uc0c1\uc774\ub098 \uc798\ubabb\ub41c \uc870\uc784 \ud1a0\ud06c\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc810\uac80 \ud1b5\ub85c\ub97c \uacc4\ud68d\ud558\uc2ed\uc2dc\uc624.<\/strong> \ud504\ub85c\ube0c\ub85c \uc811\uadfc\ud560 \uc218 \uc5c6\ub294 \ubd80\uc704\uc758 \uacbd\uc6b0, \ub2e4\ub978 \uac8c\uc774\uc9c0\ub098 \uc124\uacc4\uac00 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\uc7ac\ub8cc\ubcc4 \uace0\ub824 \uc0ac\ud56d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9c9\ud78c \uad6c\uba4d \uac00\uacf5 \ubc29\ubc95\uc740 \uacf5\uc791\ubb3c\uc758 \uc7ac\uc9c8\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uc7ac\ub8cc<\/th><th>\ud754\ud788 \uc81c\uae30\ub418\ub294 \uc6b0\ub824<\/th><th>\uac00\uacf5 \ubc29\ud5a5<\/th><\/tr><\/thead><tbody><tr><td>\uc54c\ub8e8\ubbf8\ub284<\/td><td>\uae34 \uce69, \uc5d0\uc9c0 \ub450\uaed8 \uc99d\uac00 \ubc0f \uc7ac\ub8cc \ubd80\ucc29<\/td><td>\uc815\ubc00\ud55c \ud615\uc0c1 \uc124\uacc4, \ud6a8\uacfc\uc801\uc778 \uce69 \ubd84\uc1c4 \ubc0f \uc801\uc808\ud55c \uc724\ud65c\uc744 \ud65c\uc6a9\ud558\uc2ed\uc2dc\uc624<\/td><\/tr><tr><td>\uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15<\/td><td>\uac00\uacf5 \uacbd\ud654, \uc5f4 \ubc0f \uc811\ucc29\ub825<\/td><td>Maintain a stable feed and avoid rubbing or unnecessary dwell<\/td><\/tr><tr><td>\ud2f0\ud0c0\ub284<\/td><td>Concentrated heat, tool wear and springback<\/td><td>Use a rigid setup, controlled cutting conditions and effective coolant<\/td><\/tr><tr><td>\ud0c4\uc18c\uac15 \ubc0f \ud569\uae08\uac15<\/td><td>Different chip behavior across grades and hardness levels<\/td><td>Select tooling for the specified grade and heat-treatment condition<\/td><\/tr><tr><td>\uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ud50c\ub77c\uc2a4\ud2f1<\/td><td>Melting, burrs, elastic recovery and moisture-related movement<\/td><td>Use sharp tools, control heat and consider inspection temperature<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Fixed speeds and feeds should not be copied across materials. They depend on grade, hardness, hole size, depth, tool geometry and coolant access.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Common Blind Hole Problems<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\ubb38\uc81c<\/th><th>\uac00\ub2a5\ud55c \uc6d0\uc778<\/th><th>Practical Response<\/th><\/tr><\/thead><tbody><tr><td>Incorrect depth<\/td><td>Wrong depth definition, tool offset or datum<\/td><td>Clarify the callout and verify tool length and surface position<\/td><\/tr><tr><td>Packed chips<\/td><td>Poor chip breaking or evacuation<\/td><td>Adjust the cycle, tool geometry, coolant or withdrawal strategy<\/td><\/tr><tr><td>Broken drill or tap<\/td><td>Excess torque, poor alignment, wear or insufficient bottom space<\/td><td>Review tool life, setup rigidity, chip space and process load<\/td><\/tr><tr><td>Rough hole wall<\/td><td>Chip recutting, runout, vibration or built-up edge<\/td><td>Improve chip evacuation, tool condition and setup stability<\/td><\/tr><tr><td>Poor bottom finish<\/td><td>Wrong tool, chatter or compacted chips<\/td><td>Use a suitable finishing process and clean before final cutting<\/td><\/tr><tr><td>Incomplete thread depth<\/td><td>Shallow pilot hole or excessive tap chamfer<\/td><td>Specify full-thread and tap-drill depths separately<\/td><\/tr><tr><td>Accidental breakthrough<\/td><td>Incorrect depth reference or insufficient remaining wall<\/td><td>Review stack-up, tool point and wall-thickness allowance<\/td><\/tr><tr><td>Trapped coolant<\/td><td>Inadequate cleaning or closed assembly space<\/td><td>Clean the hole and consider a relief path when the design permits<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How to Inspect a Blind Hole<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The inspection plan should match the feature and tolerance.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A depth gauge or depth micrometer can check accessible hole depth.<\/li>\n\n\n\n<li>Pin gauges, plug gauges or bore gauges can check diameter.<\/li>\n\n\n\n<li>A thread plug gauge verifies the functional internal thread.<\/li>\n\n\n\n<li>A CMM can measure accessible position, diameter and selected depth features.<\/li>\n\n\n\n<li>A borescope can reveal chips, bottom damage or surface defects.<\/li>\n\n\n\n<li>A surface profilometer may evaluate a reachable wall or bottom surface.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Probe access matters. A CMM cannot automatically measure every blind-hole feature. Visual inspection also cannot replace dimensional verification.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/07\/CMM-testing.webp\" alt=\"CMM testing for steel bushing\" class=\"wp-image-11911\" style=\"width:600px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/07\/CMM-testing.webp 800w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/07\/CMM-testing-300x300.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/07\/CMM-testing-150x150.webp 150w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/07\/CMM-testing-768x768.webp 768w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/07\/CMM-testing-12x12.webp 12w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\uc77c\ubc18\uc801\uc778 \uc801\uc6a9 \ubd84\uc57c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Blind holes appear in pump and valve bodies, automotive housings, machinery, robotic joints and fixtures. They also provide mounting or alignment features in electronic, medical, optical and semiconductor equipment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Microfluidic parts and nozzles may use very small blind features. These can require laser machining, micro-EDM or another specialized process.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What is the purpose of a blind hole?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A blind hole provides an internal mounting, locating or threaded feature without opening the opposite surface.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What is the difference between a blind hole and a through hole?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A blind hole stops inside the part. A through hole passes completely through it and opens on both sides.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How should blind-hole depth be specified?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">State whether the dimension is full-diameter depth, drill-point depth or effective thread depth. Also define the required bottom shape.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How big should a hole be before tapping?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The tap-drill size depends on the thread, pitch, material and tap type. For metric cutting taps, nominal diameter minus pitch is a useful starting point. An M6 \u00d7 1 thread commonly uses a 5.0 mm pilot hole. Always confirm the final size with the tap manufacturer&#8217;s chart. Form taps usually require a larger pilot hole.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to mark drill locations from blind holes?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub300\ub7c9 \uc0dd\uc0b0\uc758 \uacbd\uc6b0 <a href=\"https:\/\/weldomachining.com\/ko\/cnc-machining\/\">CNC work<\/a>, locate the hole from drawing datums and programmed coordinates. Do not copy its position from another hole. To transfer a threaded blind-hole pattern to a mating part, fit transfer screws and press the parts together. For unthreaded holes, suitable transfer punches or dowel centers can be used when access allows.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What tap do you use for a blind hole?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A spiral-flute tap is a common choice because it pulls chips toward the entrance. Bottoming and forming taps are also suitable in specific applications. Thread milling may be preferred for larger threads or costly parts. Select the method by material, thread depth, chip space and machine capability.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How can chips be removed from a blind hole?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Use suitable tool geometry, coolant delivery and a validated drilling cycle. Clean the hole before inspection or assembly. Peck drilling may help, but it is not required for every tool or material.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Need Help Reviewing a Blind Hole Design?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ubcf4\ub0b4\uae30 <a href=\"https:\/\/weldomachining.com\/ko\/\" data-type=\"page\" data-id=\"6\">\uc6f0\ub3c4<\/a> your drawing with the material, hole diameter, depth, thread, tolerance and quantity. Our team can review the feature for manufacturability before <a href=\"https:\/\/weldomachining.com\/ko\/file-upload\/\" data-type=\"page\" data-id=\"843\">\uacac\uc801<\/a> and production planning.<\/p>","protected":false},"excerpt":{"rendered":"<p>A blind hole ends inside a part instead of passing through it. Its closed bottom affects depth control, chip evacuation and tool clearance. This guide covers the main hole types, machining methods, tapping options and practical design rules. What Is a Blind Hole? A blind hole is made to a specified depth without breaking through [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":13722,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-13728","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/posts\/13728","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/comments?post=13728"}],"version-history":[{"count":2,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/posts\/13728\/revisions"}],"predecessor-version":[{"id":13736,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/posts\/13728\/revisions\/13736"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/media\/13722"}],"wp:attachment":[{"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/media?parent=13728"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/categories?post=13728"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/tags?post=13728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}