螺纹攻牙钻孔径和滚造径对照表
本表所推选之钻头孔径，是针对攻牙加工时，能够很容易的了解钻孔直径；而依据市售之标准钻头所选定的。在使用钻头的情况下，由于钻头的形状及尺寸、精度、被钻孔之材质等，对于所钻孔的尺寸、精度有很大的影响，所以使用本表之钻孔径，若有不当之处，应视实际状况适当的变更钻头直径。本表是依据2级牙制订。公制粗螺纹
规格M10025M11025M12025M1403M16035M17035M18035M2004M22045M2304M25045M26045M3005M3006M3506M4007M40075M45075M5008M5009M6010M7010M80125M90125M1015M1115M12175M1420M1620M1825M2025M2225M2430M2730M3035标准径0750850951101251351451601751902102202502402903303253804204105006006807808509501030120014001550175019502100240026502级牙钻孔径最大最小0785072908850829098509291142107513211221142113211521142116791567183817131979186721382013223821132599245924403010342233263878433441705153615369127912867696761044112210142101574417744197442125224252267712280285032423106368841343930491759176647764783769376101061183513835152941729419294207522375226211M1210M1205M1415M1410M1515M1510M1615M1610M1715M1710M1820M1815M1810M2020M2015M2010M2220M2215M2210M2420M2415M2410M2520M2515M2510M2615M2720M2715M2710M2820M2815M2810M3030M3020M3015M3010M3220M3215M3330M3320M3315M3515M3630M3620M3615
公制细螺纹
规格标准径1100115012501300135014001450150015501600160016501700180018501900200020502100220022502300230023502400245025002550260026002650270027002800285029003000305030003100315033503300340034502级牙钻孔径最大最小111531091711520114001267612376131531291713676133761415313917146761437615153149171567615376161531591716210158351667616376171531691718210178351867618376191531891720210198352067620376211532091722210218352267622376231532291723210228352367623376241532391724676243762521024835256762537626153259172621025835266762637627153269172725226752282102783528676283762915328917302102983530676303763025229752312103083531676313763367633376332523275234210338353467634376
公制迫牙丝攻钻孔径
规M10025M11025M12025M1403M16035M17035M18035M204M22045M2304M25045M26045M3005M3506M4007M5r