公制螺纹尺寸表

1、公制外螺纹（6g）常用规格极限尺寸表（粗牙）公称直径螺距螺纹精度等级大径中径小径螺胚直径最大最小最大最小最大最小最大M30.56g2.9802.8742.6552.5802.4392.602.63M40.73.9783.8383.5233.4333.2203.473.50M50.84.9764.8264.4564.3614.1104.404.43M615.9745.7945.3245.2124.8915.265.29M81.257.9727.7607.1607.0426.6197.107.14M101.59.9689.7328.9948.8628.3448.928.96M121.7511.96

2、611.70110.82910.67910.07210.7510.79M14213.96213.68212.66312.50311.79712.5712.62M16215.96215.68214.66314.50313.79714.5714.62M182.517.95817.62316.33416.16415.25216.2416.29M202.519.95819.62318.33418.16417.25218.2418.29M222.521.95821.62320.33420.16419.25220.2420.29M24323.95223.57722.00321.80320.70421.89

3、21.95M27326.95226.57725.00324.80323.70424.8924.951.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。公制内螺纹（6H）常用规格极限尺寸表（粗牙）公称直径螺距螺纹精度等级大径中径小径攻丝前钻头直径最小最大最小最大最小M30.56H3.0002.7752.6752.5992.4592.50M40.74.0003.6633.5453.4223.2423.30M50.85.0004.6054.4804.3344.1344.20M616.0005.5005.3505.1534.9175.00M81.258.0007.3487.1886.

4、9126.6476.80M101.510.0009.2069.0268.6768.3768.50M121.7512.00011.06310.86310.44110.10610.20M14214.00012.91312.70112.21011.83512.00M16216.00014.91314.70114.21013.83514.00M182.518.00016.60016.37615.74415.29415.50M202.520.00018.60018.37617.74417.29417.50M222.522.00020.60020.37619.74419.29419.50M24324.00

5、022.31622.05121.25220.75221.00M27327.00025.31625.05124.25223.75224.00公制外螺纹（6g）常用规格极限尺寸表（细牙）公称直径螺距螺纹精度等级大径中径小径螺胚直径最大最小最大最小最大最小最大M3X0.356g2.9812.8962.7542.6872.6022.712.73M4X0.53.9803.8743.6553.5803.4393.603.63M50.54.9804.8744.6554.5804.4394.604.63M60.755.9785.8385.4915.3915.1665.425.46M80.757.9787.83

6、87.4917.3917.1667.427.46M817.9747.7947.3247.2126.8917.267.29M100.759.9789.8389.4919.3919.1669.429.46M1019.9749.7949.3249.2128.8919.269.29M101.259.9729.7609.1609.0428.6199.089.12M12111.97411.79411.32411.20610.89111.2511.29M121.2511.97211.76011.16011.02810.61911.0811.12M121.511.96811.73210.99410.85410

7、.34210.9110.95M14113.97413.79413.32413.20612.89113.2513.29M141.513.96813.73212.99412.85412.34412.9112.95M16115.97415.79415.32415.20614.89115.2515.29M161.515.96815.73214.99414.85414.34414.9014.95M18117.97417.79417.32417.20616.89117.2517.29M181.517.96817.73216.99416.85416.33416.9016.95M18217.96217.682

8、16.66316.50315.79716.5816.62M20119.97419.79419.32419.20618.89119.2419.29M201.519.96819.73218.99418.85418.34418.9018.95M20219.96219.68218.66318.50317.79718.5718.62M22121.97421.79421.32421.20620.89121.2421.29M221.521.96821.73220.99420.85420.34420.9520.90M22221.96221.68220.66320.50319.79720.5720.62M241

9、23.97423.79423.32423.19922.89123.2323.29M241.523.96823.73222.99422.84422.34422.8922.95M24223.96223.68222.66322.49321.79722.5722.62M27126.97426.79426.32426.19925.89126.2326.29M271.526.96826.73225.94425.84425.34425.8925.95M27226.96226.68225.66325.49324.79725.5625.621.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

10、制内螺纹（6H）常用规格极限尺寸表（细牙）公称直径螺距螺纹精度等级大径中径小径攻丝前钻头直径最小最大最小最大最小M30.356H3.0002.8632.7732.7212.6212.65M40.54.0003.7753.6753.5593.4593.50M50.55.0004.7754.6754.5994.4594.50M60.756.0005.6455.5135.3785.1885.20M80.758.0007.6457.5137.3787.1887.20M818.0007.5007.3507.1536.9177.00M100.7510.0009.6459.5139.3789.1889.20

11、M10110.0008.5009.3509.1538.9179.00M101.2510.0009.3489.1888.9128.6478.80M12112.00011.51011.35011.15310.91711.00M121.2512.00011.36811.18810.91210.64710.80M121.512.00011.21611.02610.67610.37610.50M14114.00013.51013.35013.15312.91713.00M141.514.00013.21613.02612.67612.37612.50M16116.00015.51015.35015.15

12、314.91715.00M161.516.00015.21615.02614.67614.37614.50M18118.00017.51017.35017.15316.91717.00M181.518.00017.21617.02616.67616.37616.50M18218.00016.91316.70116.21015.83516.00M20120.00019.51019.35019.15318.91719.00M201.520.00019.21619.02618.67618.37618.50M20220.00018.91318.70118.21017.83518.00M22122.00

13、021.51021.35021.15320.91721.00M221.522.00021.21621.02620.67620.37620.50M22222.00020.91320.70120.21019.83520.00M24124.00025.52023.35023.15322.91723.00M241.524.00023.22623.02622.67622.37622.50M24224.00022.92522.70122.21021.83522.00M27127.00026.52026.35026.15325.91726.00M271.527.00026.22626.02625.67625

14、.37625.50M27227.00025.92525.70125.21024.83525.00公制外螺纹（6g）常用规格极限尺寸表（细牙）公称直径螺距螺纹精度等级大径中径小径螺胚直径最大最小最大最小最大最小最大M3X0.356g2.9812.8962.7542.6872.6022.712.73M4X0.53.9803.8743.6553.5803.4393.603.63M50.54.9804.8744.6554.5804.4394.604.63M60.755.9785.8385.4915.3915.1665.425.46M80.757.9787.8387.4917.3917.1667.427

15、.46M817.9747.7947.3247.2126.8917.267.29M100.759.9789.8389.4919.3919.1669.429.46M1019.9749.7949.3249.2128.8919.269.29M101.259.9729.7609.1609.0428.6199.089.12M12111.97411.79411.32411.20610.89111.2511.29M121.2511.97211.76011.16011.02810.61911.0811.12M121.511.96811.73210.99410.85410.34210.9110.95M14113.

16、97413.79413.32413.20612.89113.2513.29M141.513.96813.73212.99412.85412.34412.9112.95M16115.97415.79415.32415.20614.89115.2515.29M161.515.96815.73214.99414.85414.34414.9014.95M18117.97417.79417.32417.20616.89117.2517.29M181.517.96817.73216.99416.85416.33416.9016.95M18217.96217.68216.66316.50315.79716.

17、5816.62M20119.97419.79419.32419.20618.89119.2419.29M201.519.96819.73218.99418.85418.34418.9018.95M20219.96219.68218.66318.50317.79718.5718.62M22121.97421.79421.32421.20620.89121.2421.29M221.521.96821.73220.99420.85420.34420.9520.90M22221.96221.68220.66320.50319.79720.5720.62M24123.97423.79423.32423.

18、19922.89123.2323.29M241.523.96823.73222.99422.84422.34422.8922.95M24223.96223.68222.66322.49321.79722.5722.62M27126.97426.79426.32426.19925.89126.2326.29M271.526.96826.73225.94425.84425.34425.8925.95M27226.96226.68225.66325.49324.79725.5625.621.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。公制内螺纹（6H）常用规格极限尺寸表（细牙）

19、公称直径螺距螺纹精度等级大径中径小径攻丝前钻头直径最小最大最小最大最小M30.356H3.0002.8632.7732.7212.6212.65M40.54.0003.7753.6753.5593.4593.50M50.55.0004.7754.6754.5994.4594.50M60.756.0005.6455.5135.3785.1885.20M80.758.0007.6457.5137.3787.1887.20M818.0007.5007.3507.1536.9177.00M100.7510.0009.6459.5139.3789.1889.20M10110.0008.5009.3509

20、.1538.9179.00M101.2510.0009.3489.1888.9128.6478.80M12112.00011.51011.35011.15310.91711.00M121.2512.00011.36811.18810.91210.64710.80M121.512.00011.21611.02610.67610.37610.50M14114.00013.51013.35013.15312.91713.00M141.514.00013.21613.02612.67612.37612.50M16116.00015.51015.35015.15314.91715.00M161.516.

21、00015.21615.02614.67614.37614.50M18118.00017.51017.35017.15316.91717.00M181.518.00017.21617.02616.67616.37616.50M18218.00016.91316.70116.21015.83516.00M20120.00019.51019.35019.15318.91719.00M201.520.00019.21619.02618.67618.37618.50M20220.00018.91318.70118.21017.83518.00M22122.00021.51021.35021.15320

22、.91721.00M221.522.00021.21621.02620.67620.37620.50M22222.00020.91320.70120.21019.83520.00M24124.00025.52023.35023.15322.91723.00M241.524.00023.22623.02622.67622.37622.50M24224.00022.92522.70122.21021.83522.00M27127.00026.52026.35026.15325.91726.00M271.527.00026.22626.02625.67625.37625.50M27227.00025

23、.92525.70125.21024.83525.00公称直径螺距螺纹精度等级攻丝前钻头直径公制内螺纹（6H）常用规格极限尺寸表（粗牙）公称直径螺距螺纹精度等级大径中径小径攻丝前钻头直径最小最大最小最大最小M30.56H3.0002.7752.6752.5992.4592.50M40.74.0003.6633.5453.4223.2423.30M50.85.0004.6054.4804.3344.1344.20M616.0005.5005.3505.1534.9175.00M81.258.0007.3487.1886.9126.6476.80M101.510.0009.2069.0268.67

24、68.3768.50M121.7512.00011.06310.86310.44110.10610.20M14214.00012.91312.70112.21011.83512.00M16216.00014.91314.70114.21013.83514.00M182.518.00016.60016.37615.74415.29415.50M202.520.00018.60018.37617.74417.29417.50M222.522.00020.60020.37619.74419.29419.50M24324.00022.31622.05121.25220.75221.00M27327.0

25、0025.31625.05124.25223.75224.00公制内螺纹（6H）常用规格极限尺寸表（细牙）公称直径螺距螺纹精度等级大径中径小径攻丝前钻头直径最小最大最小最大最小M30.356H3.0002.8632.7732.7212.6212.65M40.54.0003.7753.6753.5593.4593.50M50.55.0004.7754.6754.5994.4594.50M60.756.0005.6455.5135.3785.1885.20M80.758.0007.6457.5137.3787.1887.20M818.0007.5007.3507.1536.9177.00M100.7510.0009.6459.5139.3789.1889.20M10110.0008.5009.3509.1538.9179.00M101.2510.0009.3489.1888.9128.6478.80M12112.00011.51011.35011.1531