公制外螺纹6g公制内螺纹6H常用规格极限尺寸表

1、直径X螺距螺纹精度等级大径中径小径螺胚直径取大最小取大最小取大最小取大M3X 0.56g2.9802.8742.6552.5802.4392.602.63M4X 0.73.9783.8383.5233.4333.2203.473.50M5X 0.84.9764.8264.4564.3614.1104.404.43M(5X 15.9745.7945.3245.2124.8915.265.29M8X 1.257.9727.7607.1607.0426.6197.107.14M10X 1.59.9689.7328.9948.8628.3448.928.9610.79M12X 1.7511.96611

2、.70110.82910.67910.07210.75M14X 213.96213.68212.66312.50311.79712.5712.62M16< 215.96215.68214.66314.50313.79714.5714.62M18X 2.517.95817.62316.33416.16415.25216.2416.29M20X 2.519.95819.62318.33418.16417.25218.2418.29M22X 2.521.95821.62320.33420.16419.25220.2420.29M24X 323.95223.57722.00321.80320.7

3、0421.8921.95M27X 326.95226.57725.00324.80323.70424.8924.951.螺胚直径指滚丝前的尺寸，数值为依经验公式计算而得，在实践中需验证。公称直径X螺距螺纹精 度等级大径中径小径螺胚直径取大最小取大最小取大最小取大M3X0.356g2.9812.8962.7542.6872.6022.712.73M4X0.53.9803.8743.6553.5803.4393.603.63M5X 0.54.9804.8744.6554.5804.4394.604.63M6X 0.755.9785.8385.4915.3915.1665.425.46M8X 0.7

4、57.9787.8387.4917.3917.1667.427.46M8X 17.9747.7947.3247.2126.8917.267.29M10X 0.759.9789.8389.4919.3919.1669.429.46M10X 19.9749.7949.3249.2128.8919.269.29M10X 1.259.9729.7609.1609.0428.6199.089.12M12X 111.97411.79411.32411.20610.89111.2511.29M12X 1.2511.97211.76011.16011.02810.61911.0811.12M12X 1.511

5、.96811.73210.99410.85410.34210.9110.95M14X 113.97413.79413.32413.20612.89113.2513.2912.95M14X 1.513.96813.73212.99412.85412.34412.91M1(6< 115.97415.79415.32415.20614.89115.2515.29M1(6< 1.515.96815.73214.99414.85414.34414.9014.95M18X 1M18X 1.517.97417.96817.79417.73217.32416.99417.20616.85416.8

6、9116.33417.2516.9017.2916.95M18X 217.96217.68216.66316.50315.79716.5816.62M20X 119.97419.79419.32419.20618.89119.2419.29M20X 1.5M20X 219.96819.96219.73219.68218.99418.66318.85418.50318.34417.79718.9018.5718.9518.62M22X 121.97421.79421.32421.20620.89121.2421.29M22X 1.521.96821.73220.99420.85420.34420

7、.9520.90M22X 221.96221.68220.66320.50319.79720.5720.62M24X 123.97423.79423.32423.19922.89123.2323.29M24X 1.523.96823.73222.99422.84422.34422.8922.95M24X 223.96223.68222.66322.49321.79722.5722.62M27X 126.97426.79426.32426.19925.89126.2326.29M27X 1.526.96826.73225.94425.84425.34425.8925.95M27X 226.962

8、26.68225.66325.49324.79725.5625.621.螺胚直径指滚丝前的尺寸，数值为依经验公式计算而得，在实践中需验证。公称直径X螺距螺纹精度等级大径中径小径攻丝前钻头直径最小取大最小取大最小M3X 0.56H3.0002.7752.6752.5992.4592.500M4X 0.74.0003.6633.5453.4223.2423.300M5X 0.85.0004.6054.4804.3344.1344.200M6X 16.0005.5005.3505.1534.9175.000M8X 1.258.0007.3487.1886.9126.6476.800M10X 1.51

9、0.000 <12069.0268.6768.3768.500M12X 1.7512.00011.06310.86310.44110.10610.200M14X 214.00012.91312.70112.21011.83512.000M16X 216.00014.91314.70114.21013.83514.000M18X 2.518.00016.60016.37615.74415.29415.500M20X 2.520.00018.60018.37617.74417.29417.500M22X 2.522.00020.60020.37619.74419.29419.500M24X

10、324.00022.31622.05121.25220.75221.000M27X 327.00025.31625.05124.25223.75224.000公称直径X螺距螺纹精度等级大径中径小径攻丝前钻头直径最小取大最小取大最小M3X 0.35M4X 0.56H3.0004.0002.8633.7752.7733.6752.7213.5592.6213.4592.653.50M5X 0.55.0004.7754.6754.5994.4594.50M6X 0.756.0005.6455.5135.3785.1885.20M8X 0.758.0007.6457.5137.3787.1887.20

11、M8X 18.0007.5007.3507.1536.9177.00M10X 0.7510.0009.6459.5139.3789.1889.20M10X110.0008.5009.3509.1538.9179.00M10X 1.2510.0009.3489.1888.9128.6478.80M12X112.00011.51011.35011.15310.91711.00M12X 1.2512.00011.36811.18810.91210.64710.80M12X 1.512.00011.21611.02610.67610.37610.50M14X114.00013.51013.35013.

12、15312.91713.00M14X 1.514.00013.21613.02612.67612.37612.50M16X116.00015.51015.35015.15314.91715.00M1(6< 1.516.00015.21615.02614.67614.37614.50M18X118.00017.51017.35017.15316.91717.00M18X 1.518.00017.21617.02616.67616.37616.50M18X218.00016.91316.70116.21015.83516.00M20X120.00019.51019.35019.15318.91719.00M20X 1.520.00019.21619.02618.67618.37618.50M20X220.00018.91318.70118.21017.83518.00M22X122.00021.51021.35021.15320.91721.00M22X 1.522.00021.21621.02620.67620.37620.50M22X222.00020.91320.70120.21019.83520.00M24X124.00025.52023.35023.15322.91723.00M24X