美制螺纹标准对照表，快收藏啦

美制细螺纹规格标准径2级牙钻孔径最大最小NO.2-64(2.)1...NO.3-56(2.)2...NO.4-48(2.)2...NO.5-44(3.)2..7.NO.6-40(3.)2...NO.8-36(4.)3...NO.10-32(4.)4...NO.12-28(5.)4.../4-.../16-.../8-.../16-.../2-...美制粗牙规格牙数外径滚造径最大最小最大最小NO:....56NO:....85NO:....11NO:4....37NO:....69NO:....91NO:.3..63.57NO:44..6..05NO:..../..1.55./.7.../....47/..../....32美制粗螺纹(UNC)规格标准径2级牙钻孔径最大最小番数牙外径NO.1-64(1.)1...NO.2-56(2.)1..1.NO.3-48(2.)2...NO.4-40(2.)2...NO.5-40(3.)2...NO.6-32(3.)2...NO.8-32(4.)3...NO.10-24(4.)3...NO.12-24(5.)4.../4-.../16-.../8-.../16-.../2-.1..美制细牙规格牙数外径滚造径最大最小最大最小NO.2....89NO.....17NO.....44NO..3...73NO.6....02NO.....63NO.....23NO.12..../.3.../..../..../16..../....76规格标准径2级牙钻孔径最大最小M1.0*0.20...M2.0*0...7.M2.5*0....M2.6*0...2.M3.0*0....M3.5*0....M4.0*0.53...M4.5*0.54...M5.0*0.54...M5.5*0.55...M6.0*0....M6.0*0.55..5.M7.0*0....M7.0*0.56...M8.0*1.07...M8.0*0....M8.0*0.57..5.M9.0*1.08...M9.0*0....M10*1....M10*1.09...M10*0....M10*0.59..5.M12*1..0..公制粗螺纹规格标准径2级牙钻孔径最大最小M1.0*0...7.M2.0*0.41...M2.5*0....M2.6*0....M3.0*0.52...M3.5*0.62..0.M4.0*0.73...M4.5*0...8.M5.0*0.84...M6.0*1.05...M7.0*1.06...M8.0*1....M9.0*1....M10*1.58..6.

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