分享一份最全的螺纹攻牙钻孔径查询表

螺丝攻牙钻孔径和滚牙数据查询表公制粗螺纹规格标准径2级牙钻孔径最大最小M1.0*0....M1.1*0...8.M1.2*0...9.M1.4*0....M1.6*0....M1.7*0....M1.8*0....M2.0*0....M2.2*0....M2.3*0....M2.5*0....M2.6*0....M3.0*0....M3.0*0...4.M3.5*0...0.M4.0*0....M4.0*0....M4.5*0....M5.0*0....M5.0*0...1.M6.0*1....M7.0*1....M8.0*1....M9.0*1....M10*1....M11*1....M12*1.0.0..M14*2.2.2..M16*2.4.4.21.M18*2....M20*2....M22*2....M24*3....M27*3....M30*3.6.6..公制细螺纹规格标准径2级牙钻孔径最大最小M1.0*0....M1.1*0....M1.2*0....M1.4*0...1.M1.6*0....M1.7*0...5.M1.8*0...6.M2.0*0....M2.2*0....M2.3*0...6.M2.5*0...2.M2.6*0....M3.0*0....M3.5*0...3.M4.0*0.53...M4.5*0.54...M5.0*0.54...M5.5*0.55...M6.0*0....M6.0*0.55...M7.0*0....M7.0*0.56...M8.0*1.07...M8.0*0....M8.0*0.57...M9.0*1.08...M9.0*0....M10*1....M10*1.09...M10*0....M10*0.59...M11*1..0..M11*0.0.0..M12*1..5..M12*1.0.8.90.M12*1..1..M12*0..5.51.M14*1....M14*1..3..M15*1..5..M15*1..4..M16*1..5..M16*1..5..M17*1....M17*1..6..M18*2..6.21.M18*1..5..M18*1..7..M20*2..8.21.M20*1..5..M20*1..9..M22*2..0.21.M22*1..0..M22*1....M24*2..0.21.M24*1..2..M24*1..0..M25*2..0.22.M25*1..3..M25*1....M26*1..4..M27*2..0.24.M27*1..5..M27*1..0..M28*2..0.25.M28*1..6..M28*1..0..M30*3..0.16.M30*2..0.27.M30*1..8..M30*1..0..M32*2..0.29.M32*1..0..M33*1..0.29.M33*2..0.21.M33*1..1..M35*1..3..M36*3..0.32.M36*2..0.21.M36*1..4..

公制挤牙丝攻钻孔径

注：迫牙丝攻之钻孔径，在上表所列之数值，由于被加工材料之材质、硬度、形状、尺寸等之影响，多少会有所变动，因此于参考上表之同时，亦精减若干。

规格精度等级G4-G6G7-G8G9M1.0*0...88-M1.1*0...98-M1.2*0...08-M1.4*0...25-M1.6*0...43-M1.7*0...53-M1.8*0...63-M2.0*0...80-M2.2*0...98-M2.3*0...10-M2.5*0...28-M2.6*0...38-M3.0*0...75-M3.5*0...20-M4.0*0....69M5.0*0....64M6.0*1....55M7.0*1....55M8.0*1....44M10*1....32M10*1....44M12*1.1.0.1.21M12*1.1...44公制螺纹规格滚造径M3*0.52.63-2.60M3.0*0.62.56-2.50M3.5*0.63.06-3.03M4.0*0.73.49-3.45M4.0*0..45-3.41M4.5*0..96-3.92M5.0*0..43-4.38M5.0*0.94.36-4.31M6.0*1.05.30-5.25M7.0*1.06.30-6.25M8.0*1.07.28-7.23M8.0*1..12-7.07美制粗螺纹规格（UNC)标准径2级牙钻孔径最大最小No1-64(1.)1...No2-56(2.)1...No3-48(2.)2...No4-40(2.)2...No5-40(3.)2...No6-32(3.)2...No8-32(4.)3..5.No10-24(4.)3..9.No12-24(5.)4.../4-..4./16-...3/8-.../16-..5./2-.8.10.5/16-2.2.44./8-1.2../4-1.5.86.7/8-..79.-.2.60.-1/8-.0..-1/4-.8.57.-3/8-..11.1-1/2-.0.23.1-3/4-.9..9-4-1/.5..美制细螺纹规格（UNF)标准径2级牙钻孔径最大最小No0-80(1.)1..1.No1-72(1.)1..6.No2-64(2.)1..9.No3-58(2.)2...No4-48(2.)2...No5-44(3.)2...No6-40(3.)2..2.82No8-36(4.)3..3.No10-32(4.)4..1.No12-28(5.)4.../4-.../16-.../8-.../16-.0.9.1/2-1.5../16-.3..5/8-.5..3/4-..67./8-.0.50.-.3..-1/8-.6..-1/4-.9..-3/8-.3.02.-1/2-..25.美制特细螺纹规格（UNC)标准径2级牙钻孔径最大最小No12-.7.4.1/4-.6..5/16-.1.2./8-.7../16-.20..1/2-.81.9./16-3.23..1/8-4.84..3/4-7.87../8-1.0..8-4.0.24.

美制迫牙丝攻钻孔径

注：迫牙丝攻之钻孔径，在上表所列之数值，由于被加工材料之材质、硬度、形状、尺寸等之影响，多少会有所变动，因此于参考上表之同时，亦精减若干。

规格（UNC)精度等级G4-G6G7-G8G9No2-56UNC1.94--No3-.23--No4-.50--No5-.83--No6-.07--No8-..77-No10-..30-No12-..96-1/4-20-5.72-5/16-18-7.24-3/8-16-8../16-14-10.0./2-13-11.1.80No2-64UNF1.97--No3-.27--No4-.56--No5-.66--No6-.16--No8-.78--No10-..43-No12-..04-1/4-..90-5/16-..41-3/8-24-9.00-7/16-20-10../2-20-12..13英制螺纹规格钻孔径硬材软材W1/8-..60W5/32-..20W3/16-..70W1/4-..00W5/16-..50W3/8-..90W7/16-..30W1/2-0.7.50W9/16-2.2.00W5/8-1..50W3/4-1.7.50W7/8-.5.50W1-.9.30W1-1/8-..80W1-1/4-.3.00英制管螺纹规格标准径钻孔径最大最小PS1/16-...PS1/8-...PS1/4-.1..PS3/8-.5.04.PS1/2-.5.7.PS3/4-..23.PS1-0.0.40.PS1-1/4-8.9.18.PS1-1/2-.5.44.PS2-.6.86.英制管螺纹规格标准径有效牙部之长度（最小）中之母螺牙内径标准长度（最小）中之母螺牙内径使用绞刀时不使用绞刀时PT1/16-...6.PT1/8-....PT1/4-.7.0.96.PT3/8-.4.5.44.PT1/2-.8.7.8.PT3/4-.0.3.3.PT1-.0.9.45.PT1-1/4-7.8..38.PT1-1/2-.4.3..PT2-..5..英制管螺纹规格钻孔径NPTNPS使用绞刀时不使用绞刀时1/16-.../18-.../4-.7../8-.4.4./2-.4../4-.6..-11-1/..9.-1/4-11-1/...-1/2-11-1/...-11-1/.5..36英制电器螺纹规格钻孔径2BA4.0-4.23BA4BA3.0-3.25BA2.7-2.86BA2.4-2.5针车用螺纹规格滚造径SM1/8-.-2.SM1/8-.-2.SM9/64-.-3.SM11/64-.-3.SM3/16-.-4.SM3/16-.-4.SM7/32-.-4.SM15/64-.-5.SM1/4-.-5.SM1/4-.-5.SM9/32-.-5.SM11/32-.-8.SM3/8-.-8.SM7/16-.-10.SM7/16-.-9.SM1/2-1.-11.SM9/16-2.-13.

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