{"id":5801,"date":"2025-12-25T01:44:42","date_gmt":"2025-12-25T01:44:42","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5801"},"modified":"2025-12-25T01:44:42","modified_gmt":"2025-12-25T01:44:42","slug":"iso-metric-external-thread-minor-diameter-tolerances","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/ko\/blog\/iso-metric-external-thread-minor-diameter-tolerances\/","title":{"rendered":"ISO \ubbf8\ud130\ubc95 \uc678\ubd80 \ub098\uc0ac\uc0b0 \ucd5c\uc18c \uc9c1\uacbd \uacf5\ucc28"},"content":{"rendered":"

\uc18c\uac1c<\/h2>\n
\n

\uc678\ubd80 \ubbf8\ud130 \ub098\uc0ac\uc0b0\uc758 \uc791\uc740 \uc9c0\ub984\uc740 d\ub85c \ud45c\uc2dc\ub429\ub2c8\ub2e4.1<\/sub>d\ub294 \ub098\uc0ac\uc0b0 \ubfcc\ub9ac \ubd80\ubd84\uc758 \uac00\uc7a5 \uc791\uc740 \uc9c1\uacbd\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774 \uce58\uc218\uc5d0 \ub300\ud55c \uc815\ud655\ud55c \uacf5\ucc28\ub294 \ub098\uc0ac \uc870\ub9bd\uccb4\uc758 \uc801\uc808\ud55c \uacb0\ud569, \uac15\ub3c4 \ubc0f \uae30\ub2a5\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. ISO \ud45c\uc900\uc5d0 \ub530\ub974\uba74 \uacf5\ucc28\ub294 \ud53c\uce58, \uacf5\uce6d \ud06c\uae30 \ubc0f \uacf5\ucc28 \ub4f1\uae09(\uc608: 6g, 6h)\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4. \uc774 \uac00\uc774\ub4dc\ub294 \uc8fc\uc694 \uc9c1\uacbd, \ud53c\uce58 \uc9c1\uacbd \ubc0f \ubd80\ucc28 \uc9c1\uacbd\uc5d0 \ub300\ud55c \uc77c\ubc18\uc801\uc778 \ub17c\uc758\ub97c \ubcf4\uc644\ud558\uae30 \uc704\ud574 d\uc5d0 \ub300\ud574 \uad6c\uccb4\uc801\uc73c\ub85c \ub2e4\ub8f9\ub2c8\ub2e4.1<\/sub> \ud5c8\uc6a9 \uc624\ucc28.<\/p>\n

\uc774\ub7ec\ud55c \uacf5\ucc28\ub97c \uc774\ud574\ud558\uba74 \uc790\ub3d9\ucc28\uc5d0\uc11c \ud56d\uacf5\uc6b0\uc8fc\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \ub098\uc0ac\uc0b0 \ub9c8\ubaa8\ub098 \ud5d0\uac70\uc6b4 \uacb0\ud569\uacfc \uac19\uc740 \ubb38\uc81c\ub97c \ubc29\uc9c0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \uc5ec\uae30\uc5d0 \uc81c\uc2dc\ub41c \ub370\uc774\ud130\ub294 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ud45c\uc900\uc744 \uae30\ubc18\uc73c\ub85c \ud558\ubbc0\ub85c \uc124\uacc4 \ubc0f \uc0dd\uc0b0\uc758 \uc815\ud655\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<\/div>\n

\ubbf8\ud130 \ub098\uc0ac\uc0b0\uc5d0\uc11c \uc18c\uc9c1\uacbd \uc774\ud574\ud558\uae30<\/h2>\n
\n

\ubbf8\ud130 \ub098\uc0ac\uc0b0\uc5d0\uc11c \uc791\uc740 \uc9c0\ub984 d\ub2941<\/sub> \uacf5\ucc28\ub294 \uacf5\uce6d \uc9c1\uacbd\uc5d0\uc11c \ub098\uc0ac\uc0b0 \ub192\uc774\uc758 \ub450 \ubc30\ub97c \ube80 \uac12\uc73c\ub85c \uacc4\uc0b0\ub429\ub2c8\ub2e4. \uc678\ubd80 \ub098\uc0ac\uc0b0\uc758 \uacbd\uc6b0, \ucf54\uc5b4 \uac15\ub3c4\ub97c \uacb0\uc815\ud558\uace0 \ub0b4\ubd80 \ub098\uc0ac\uc0b0\uacfc\uc758 \uacb0\ud569\uc744 \ud655\uc778\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uacf5\ucc28\ub294 3h\uc5d0\uc11c 8g\uc640 \uac19\uc740 \ub4f1\uae09\uc73c\ub85c \uc9c0\uc815\ub418\uba70, \uc22b\uc790\uac00 \ub0ae\uc744\uc218\ub85d \ub354 \uc815\ubc00\ud55c \uacb0\ud569\uc744 \ub098\ud0c0\ub0b4\uace0 \ubb38\uc790\ub294 \uc704\uce58\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4(\uc608: 'g'\ub294 \uacf5\uce6d \uc9c1\uacbd\ubcf4\ub2e4 \uc791\uc740 \ud5c8\uc6a9 \uc624\ucc28).<\/p>\n

d\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294 \uc8fc\uc694 \uc694\uc7781<\/sub> \ud5c8\uc6a9 \uc624\ucc28\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n

    \n
  • \ub098\uc0ac\uc0b0 \ud53c\uce58(P):<\/strong> \uc77c\ubc18\uc801\uc73c\ub85c \ud53c\uce58\uac00 \uac00\ub298\uc218\ub85d \ud5c8\uc6a9 \uc624\ucc28 \ubc94\uc704\uac00 \uc881\uc2b5\ub2c8\ub2e4.<\/li>\n
  • \uacf5\uce6d \uc9c1\uacbd(d):<\/strong> \uc9c1\uacbd\uc774 \ud074\uc218\ub85d \uc81c\uc870\uc0c1\uc758 \ud3b8\ucc28\ub97c \uc218\uc6a9\ud560 \uc218 \uc788\ub294 \ud5c8\uc6a9 \uc624\ucc28 \ubc94\uc704\uac00 \ub113\uc5b4\uc9d1\ub2c8\ub2e4.<\/li>\n
  • \ud5c8\uc6a9 \uc624\ucc28 \ub4f1\uae09:<\/strong> 6g\uc640 \uac19\uc740 \ub4f1\uae09\uc740 \uc77c\ubc18\uc801\uc778 \uc6a9\ub3c4\ub85c \ud754\ud788 \uc0ac\uc6a9\ub418\ub294 \ubc18\uba74, 4h\ub294 \uc815\ubc00\ud55c \uc6a9\ub3c4\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n

    \ud5c8\uc6a9 \uc624\ucc28 \ub4f1\uae09\uc744 \uc801\uc808\ud788 \uc120\ud0dd\ud558\uba74 ISO 965 \uc6d0\uce59\uc744 \uc900\uc218\ud558\uba74\uc11c \ud638\ud658\uc131\uacfc \uc131\ub2a5\uc744 \ubcf4\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/div>\n

    \ud5c8\uc6a9 \uc624\ucc28 \ub4f1\uae09\uacfc \uadf8 \uc758\ubbf8<\/h2>\n
    \n

    \ubbf8\ud130 \ub098\uc0ac\uc0b0\uc758 \uacf5\ucc28 \ub4f1\uae09\uc740 \uae30\ubcf8 \ud3b8\ucc28\uc640 \uacf5\ucc28 \ubc94\uc704\uc5d0 \ub530\ub77c \ubd84\ub958\ub429\ub2c8\ub2e4. \uc678\uacbd\uc758 \uacbd\uc6b0:<\/p>\n

      \n
    1. 3~5\ud559\ub144:<\/strong> \uc815\ubc00\ud55c \ub9de\ucda4\uc744 \uc704\ud55c \uc5c4\uaca9\ud55c \uacf5\ucc28\ub85c, \uacc4\uce21\uae30\uae30\uc5d0 \uc790\uc8fc \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n
    2. 6\ud559\ub144 e-6\ud559\ub144 h\ubc18:<\/strong> \ube44\uc6a9\uacfc \uc131\ub2a5\uc758 \uade0\ud615\uc744 \ub9de\ucd98 \uc77c\ubc18 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ud45c\uc900\uc785\ub2c8\ub2e4.<\/li>\n
    3. 7e-8g \ub4f1\uae09:<\/strong> \uc870\ub9bd \ud3b8\uc758\uc131\uc774 \uc6b0\uc120\uc2dc\ub418\ub294 \uc6a9\ub3c4\uc5d0\ub294 \ud5c8\uc6a9 \uc624\ucc28\ub97c \uc644\ud654\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n

      \uac01 \ub4f1\uae09\uc740 d\uc5d0 \ub300\ud55c \ucd5c\ub300 \ubc0f \ucd5c\uc18c \ud55c\ub3c4\ub97c \uba85\uc2dc\ud569\ub2c8\ub2e4.1<\/sub>\ub098\uc0ac\uc0b0 \ubfcc\ub9ac \ubd80\ubd84\uc774 \uccb4\uacb0 \ubd80\ud488\uc744 \uc57d\ud654\uc2dc\ud0a4\uc9c0 \uc54a\uc73c\uba74\uc11c \ub3c4\uae08\uc774\ub098 \ucf54\ud305\uc774 \uac00\ub2a5\ud558\ub3c4\ub85d \ud574\uc57c \ud569\ub2c8\ub2e4. \uc801\uc808\ud55c \ub4f1\uae09 \uc120\ud0dd\uc740 \ud558\uc911 \uc694\uad6c \uc0ac\ud56d, \ud658\uacbd \uc694\uc778 \ubc0f \uacb0\ud569 \ub098\uc0ac\uc0b0 \uacf5\ucc28\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/p>\n

      \uc608\ub97c \ub4e4\uc5b4, \uc9c4\ub3d9\uc774 \uc2ec\ud55c \ud658\uacbd\uc5d0\uc11c\ub294 5h\uc640 \uac19\uc774 \ub354 \uc870\ubc00\ud55c \ub4f1\uae09\uc758 \uac15\uc7ac\ub97c \uc0ac\uc6a9\ud558\uba74 \ubc31\ub798\uc2dc\ub97c \ucd5c\uc18c\ud654\ud558\uc5ec \uc2e0\ub8b0\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/div>\n

      \uc18c\uc9c1\uacbd \uacf5\ucc28 \uacc4\uc0b0 \ubc29\ubc95<\/h2>\n
      \n

      \uc18c\uc9c1\uacbd \uacf5\ucc28 \uacc4\uc0b0\uc740 ISO 965 \uacf5\uc2dd\uc744 \ub530\ub985\ub2c8\ub2e4. \uae30\ubcf8 \uc18c\uc9c1\uacbd d\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.1<\/sub> \ub2e4\uc74c\uacfc \uac19\uc774 \uc8fc\uc5b4\uc9d1\ub2c8\ub2e4:<\/p>\n

      d1<\/sub> = d \u2013 (2 \u00d7 H1<\/sub>), \uc5ec\uae30\uc11c H1<\/sub> 60\u00b0 \ub098\uc0ac\uc0b0\uc758 \uacbd\uc6b0 = (\u221a3 \/ 4) \u00d7 P\uc785\ub2c8\ub2e4.<\/p>\n

      \ud074\ub798\uc2a4\uc5d0 \ub530\ub77c \ud5c8\uc6a9 \uc624\ucc28\uac00 \ucd94\uac00\ub429\ub2c8\ub2e4. \ud5c8\uc6a9 \uc624\ucc28 \ubc94\uc704 T\ub294 \ub2e4\uc74c\uc5d0\uc11c \ud30c\uc0dd\ub429\ub2c8\ub2e4.<\/p>\n

      T = 0.0015 \u00d7 d^{2\/3} \u00d7 P^{1\/3} (\ub4f1\uae09 \uacc4\uc218\ub85c \uc870\uc815\ub428).<\/p>\n

      \uae30\ubcf8 \ud3b8\ucc28(es, EI)\ub294 \ud5c8\uc6a9 \uc624\ucc28 \ubc94\uc704\ub97c \uc124\uc815\ud569\ub2c8\ub2e4. \uc678\ubd80 \ub098\uc0ac\uc0b0\uc758 \uacbd\uc6b0, g\uc640 \uac19\uc740 \ud074\ub798\uc2a4\uc5d0\uc11c\ub294 es\uac00 \uc74c\uc218\uc785\ub2c8\ub2e4.<\/p>\n

      M10 \u00d7 1.5, 6g \ub4f1\uae09\uc5d0 \ub300\ud55c \ub2e8\uacc4\ubcc4 \uacc4\uc0b0 \uc608\uc2dc:<\/p>\n

        \n
      1. \uacf5\uce6d d = 10 mm, P = 1.5 mm.<\/li>\n
      2. \uae30\ubcf8 d1<\/sub> \u2248 10 \u2013 1.299 (H = 0.866 \u00d7 P \/ 2 \u00d7 2\uc5d0\uc11c) = 8.376 mm.<\/li>\n
      3. 6g\uc758 \uacbd\uc6b0 \uc0c1\ud55c\uac12 = \uae30\ubcf8\uac12 + es, \ud558\ud55c\uac12 = \uc0c1\ud55c\uac12 \u2013 T (\ud45c\uc758 \uac12: \ucd5c\ub300 8.376mm, \ucd5c\uc18c 8.159mm).<\/li>\n<\/ol>\n

        \uc774\ub7ec\ud55c \ubc29\ubc95\ub4e4\uc740 \ud45c\uc900 \uc900\uc218\ub97c \ubcf4\uc7a5\ud558\uba70, \ub098\uc0ac\uc0b0 \uacc4\uc0b0\uae30\uc640 \uac19\uc740 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ub3c4\uad6c\ub97c \uc0ac\uc6a9\ud558\uba74 \ud6a8\uc728\uc131\uc744 \uc704\ud574 \uc774\ub7ec\ud55c \uacfc\uc815\uc744 \uc790\ub3d9\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/div>\n

        \uc0c1\uc138 \uacf5\ucc28\ud45c<\/h2>\n
        \n

        \ub2e4\uc74c \ud45c\ub294 \ub2e4\uc591\ud55c \uacf5\uce6d \ud06c\uae30\uc640 \ud53c\uce58\uc5d0 \ub300\ud55c \uc678\ubd80 \ub098\uc0ac\uc0b0 \uc18c\uc9c1\uacbd\uc758 \ucd5c\ub300\uac12\uacfc \ucd5c\uc18c\uac12\uc744 mm \ub2e8\uc704\ub85c \uc81c\uacf5\ud569\ub2c8\ub2e4. \ub370\uc774\ud130\ub294 ISO 3h~8g \ub4f1\uae09\uc758 \ud45c\uc900 \uacf5\ucc28\ub97c \uae30\uc900\uc73c\ub85c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n\n\n\n\n
        \ud5c8\uc6a9 \uc624\ucc28 \ub4f1\uae09<\/th>\n\ud55c\uacc4<\/th>\n\uc5e01<\/th>\n\uc5e01.1<\/th>\n

        <\/p>\n

        		\uc5e0300<\/th>\n<\/tr>\n
        0.25<\/td>\n0.2<\/td>\n0.25<\/td>\n0.2<\/td>\n

        <\/p>\n

        		…<\/td>\n…<\/td>\n…<\/td>\n<\/tr>\n<\/thead>\n
        3\uc2dc\uac04<\/td>\n\ub9e5\uc2a4<\/td>\n0.729<\/td>\n0.784<\/td>\n0.829<\/td>\n0.884<\/td>\n

        <\/tr>\n

        \ubbfc<\/td>\n0.693<\/td>\n0.755<\/td>\n0.793<\/td>\n0.855<\/td>\n

        <\/tr>\n

        <\/tbody>\n<\/table>\n

        \ucc38\uace0: \uc774 \ud45c\ub294 M1\ubd80\ud130 M300\uae4c\uc9c0\uc758 \uacf5\uce6d \uc9c1\uacbd\uacfc \uac01 \ud06c\uae30\ubcc4\ub85c \ub2e4\uc591\ud55c \ud53c\uce58\ub97c \ub2e4\ub8f9\ub2c8\ub2e4. \uc815\ud655\ud55c \uc815\ubcf4\ub97c \uc5bb\uc73c\ub824\uba74 ISO 965 \ubb38\uc11c\ub97c \ucc38\uc870\ud558\uc2ed\uc2dc\uc624. \uac15\uc870 \ud45c\uc2dc\ub41c \ud589(\uc608: 6g)\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \ub4f1\uae09\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n<\/div>\n

        \uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n
        \n

        \uc678\uacbd \ub098\uc0ac\uc0b0\uacfc \ub0b4\uacbd \ub098\uc0ac\uc0b0\uc758 \ucd5c\uc18c \uc9c1\uacbd \uacf5\ucc28\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n

        \uc678\ubd80 \ub098\uc0ac\uc0b0\uc758 \uc791\uc740 \uc9c1\uacbd(d)1<\/sub>\ubfcc\ub9ac \uac15\ub3c4\uc5d0 \uc911\uc810\uc744 \ub450\uace0, \ud5c8\uc6a9 \uc624\ucc28\ub97c \ud1b5\ud574 \uc5b8\ub354\ucef7\uc774 \ubc1c\uc0dd\ud558\uc9c0 \uc54a\ub3c4\ub85d \ud569\ub2c8\ub2e4. \ub0b4\ubd80 \ub098\uc0ac\uc0b0(D)1<\/sub>) ISO \ud45c\uc900\uc5d0 \ub530\ub77c \ub2e4\uc591\ud55c \ud3b8\ucc28 \uc704\uce58\ub97c \uc801\uc6a9\ud558\uc5ec \ub2a5\uc120 \uc774\uaca9 \uac70\ub9ac\ub97c \uac15\uc870\ud569\ub2c8\ub2e4.<\/p>\n

        \ub0b4 \uc6a9\ub3c4\uc5d0 \ub9de\ub294 \uc801\uc808\ud55c \ud5c8\uc6a9 \uc624\ucc28 \ub4f1\uae09\uc744 \uc5b4\ub5bb\uac8c \uc120\ud0dd\ud574\uc57c \ud560\uae4c\uc694?<\/h3>\n

        \uc815\ubc00\ub3c4 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub77c \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624. \uc815\ubc00\ub3c4\uac00 \ud5c8\uc6a9 \uc624\ucc28 \uc5c6\uc774 \uc815\ud655\ud55c \uacbd\uc6b0 6h, \ub3c4\uae08 \ub098\uc0ac\uc0b0\uc758 \uacbd\uc6b0 6g\ub97c \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624. \ud558\uc911, \uc9c4\ub3d9 \ubc0f \uc870\ub9bd \ubc29\ubc95\uc744 \uace0\ub824\ud558\uc5ec \uacfc\ub3c4\ud558\uac70\ub098 \ubd80\uc871\ud55c \uc0ac\uc591\uc744 \ud53c\ud558\uc2ed\uc2dc\uc624.<\/p>\n

        \ucf54\ud305\ub41c \ub098\uc0ac\uc0b0\uc758 \uacf5\ucc28\ub97c \uc870\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c?<\/h3>\n

        \ub124, \uae30\ubcf8 \ud504\ub85c\ud30c\uc77c\uc5d0 \ucf54\ud305 \ub450\uaed8\ub97c \ucd94\uac00\ud558\uc138\uc694. \uc608\ub97c \ub4e4\uc5b4, 6g \ub4f1\uae09\uc5d0\uc11c\ub294 \ud5c8\uc6a9 \ud55c\ub3c4\ub97c \ucd08\uacfc\ud558\uc9c0 \uc54a\uace0 \ucd5c\ub300 0.1mm\uc758 \ub3c4\uae08 \ub450\uaed8\uae4c\uc9c0 \ud5c8\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n

        \uc18c\uc9c1\uacbd\uc744 \uc815\ud655\ud558\uac8c \uce21\uc815\ud558\ub824\uba74 \uc5b4\ub5a4 \ub3c4\uad6c\uac00 \ud544\uc694\ud569\ub2c8\uae4c?<\/h3>\n

        ISO \ud45c\uc900\uc5d0 \ub530\ub77c \uad50\uc815\ub41c \ub098\uc0ac\uc0b0 \ub9c8\uc774\ud06c\ub85c\ubbf8\ud130 \ub610\ub294 \uad11\ud559 \ube44\uad50\uae30\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uacb0\uacfc\ub97c \uc5bb\uc73c\ub824\uba74 \uce21\uc815 \uc2dc \ub098\uc0ac\uc0b0 \uac01\ub3c4\uc640 \ud53c\uce58\ub97c \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

        \ud53c\uce58\ub294 \uc18c\uacbd \uacc4\uc0b0\uc5d0 \uc5b4\ub5a4 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\uae4c?<\/h3>\n

        \ub098\uc0ac\uc0b0 \uac04\uaca9\uc774 \uc881\uc544\uc9c0\uba74 \ub098\uc0ac\uc0b0 \ub192\uc774\uac00 \uc904\uc5b4\ub4e4\uc5b4 d \uac12\uc774 \ucee4\uc9d1\ub2c8\ub2e4.1<\/sub> \uacf5\uce6d \uc9c1\uacbd\uc5d0 \ub300\ud55c \uc0c1\ub300\uc801\uc778 \uac12\uc73c\ub85c, \uc815\ubc00 \uc81c\uc5b4\ub97c \uc704\ud574 \ube44\ub840\uc801\uc73c\ub85c \ub354 \uc791\uc740 \ud5c8\uc6a9 \uc624\ucc28 \ubc94\uc704\ub97c \uac16\uc2b5\ub2c8\ub2e4.<\/p>\n<\/div>\n

         <\/p>","protected":false},"excerpt":{"rendered":"

        Introduction The minor diameter of an external metric thread, denoted as d1, represents the smallest diameter at the root of the thread. Accurate tolerances for this dimension are critical in ensuring proper fit, strength, and functionality in threaded assemblies. According to ISO standards, tolerances vary by pitch, nominal size, and tolerance class (e.g., 6g, 6h). […]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[220],"tags":[],"class_list":["post-5801","post","type-post","status-publish","format-standard","hentry","category-technical-documentation-and-references"],"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/ko\/wp-json\/wp\/v2\/posts\/5801","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/korea-transmission.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/ko\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/ko\/wp-json\/wp\/v2\/comments?post=5801"}],"version-history":[{"count":1,"href":"https:\/\/korea-transmission.com\/ko\/wp-json\/wp\/v2\/posts\/5801\/revisions"}],"predecessor-version":[{"id":5802,"href":"https:\/\/korea-transmission.com\/ko\/wp-json\/wp\/v2\/posts\/5801\/revisions\/5802"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/ko\/wp-json\/wp\/v2\/media?parent=5801"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/ko\/wp-json\/wp\/v2\/categories?post=5801"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/ko\/wp-json\/wp\/v2\/tags?post=5801"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}