公制螺纹尺寸表.xls

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M30.56g2.980 2.874 2.655 2.580 2.439 2.60 2.63M40.7 3.978 3.838 3.523 3.433 3.220 3.47 3.50M50.8 4.976 4.826 4.456 4.361 4.110 4.40 4.43M61 5.974 5.794 5.324 5.212 4.891 5.26 5.29M81.25 7.972 7.760 7.160 7.042 6.619 7.10 7.14M101.5 9

2、.968 9.732 8.994 8.862 8.344 8.92 8.96M121.75 11.966 11.701 10.829 10.679 10.072 10.75 10.79M142 13.962 13.682 12.663 12.503 11.797 12.57 12.62M162 15.962 15.682 14.663 14.503 13.797 14.57 14.62M182.5 17.958 17.623 16.334 16.164 15.252 16.24 16.29M202.5 19.958 19.623 18.334 18.164 17.252 18.24 18.29

3、M222.5 21.958 21.623 20.334 20.164 19.252 20.24 20.29M243 23.952 23.577 22.003 21.803 20.704 21.89 21.95M273 26.952 26.577 25.003 24.803 23.704 24.89 24.951.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M30.5 6H 3.000 2.775 2.675 2.599 2.459 2.50M40

4、.7 4.000 3.663 3.545 3.422 3.242 3.30M50.8 5.000 4.605 4.480 4.334 4.134 4.20M61 6.000 5.500 5.350 5.153 4.917 5.00M81.25 8.000 7.348 7.188 6.912 6.647 6.80M101.5 10.000 9.206 9.026 8.676 8.376 8.50M121.75 12.000 11.063 10.863 10.441 10.106 10.20M142 14.000 12.913 12.701 12.210 11.835 12.00M162 16.0

5、00 14.913 14.701 14.210 13.835 14.00M182.5 18.000 16.600 16.376 15.744 15.294 15.50M202.5 20.000 18.600 18.376 17.744 17.294 17.50M222.5 22.000 20.600 20.376 19.744 19.294 19.50M243 24.000 22.316 22.051 21.252 20.752 21.00M273 27.000 25.316 25.051 24.252 23.752 24.00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

6、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M3X0.356g2.981 2.896 2.754 2.687 2.602 2.71 2.73M4X0.5 3.980 3.874 3.655 3.580 3.439 3.60 3.63M50.5 4.980 4.874 4.655 4.580 4.439 4.60 4.63M60.75 5.978 5.838 5.491 5.391 5.166 5.42 5.46M80.75 7.978 7.838 7.491 7.391 7.166 7.42 7.46M81 7.974 7.794 7.324 7.212 6.891 7

7、.26 7.29M100.75 9.978 9.838 9.491 9.391 9.166 9.42 9.46M101 9.974 9.794 9.324 9.212 8.891 9.26 9.29M101.25 9.972 9.760 9.160 9.042 8.619 9.08 9.12M121 11.974 11.794 11.324 11.206 10.891 11.25 11.29M121.25 11.972 11.760 11.160 11.028 10.619 11.08 11.12M121.5 11.968 11.732 10.994 10.854 10.342 10.91 1

8、0.95M141 13.974 13.794 13.324 13.206 12.891 13.25 13.29M141.5 13.968 13.732 12.994 12.854 12.344 12.91 12.95M161 15.974 15.794 15.324 15.206 14.891 15.25 15.29M161.5 15.968 15.732 14.994 14.854 14.344 14.90 14.95M181 17.974 17.794 17.324 17.206 16.891 17.25 17.29M181.5 17.968 17.732 16.994 16.854 16

9、.334 16.90 16.95M182 17.962 17.682 16.663 16.503 15.797 16.58 16.62M201 19.974 19.794 19.324 19.206 18.891 19.24 19.29M201.5 19.968 19.732 18.994 18.854 18.344 18.90 18.95M202 19.962 19.682 18.663 18.503 17.797 18.57 18.62M221 21.974 21.794 21.324 21.206 20.891 21.24 21.29M221.5 21.968 21.732 20.994

10、 20.854 20.344 20.95 20.90M222 21.962 21.682 20.663 20.503 19.797 20.57 20.62M241 23.974 23.794 23.324 23.199 22.891 23.23 23.29M241.5 23.968 23.732 22.994 22.844 22.344 22.89 22.95M242 23.962 23.682 22.663 22.493 21.797 22.57 22.62M271 26.974 26.794 26.324 26.199 25.891 26.23 26.29M271.5 26.968 26.

11、732 25.944 25.844 25.344 25.89 25.95M272 26.962 26.682 25.663 25.493 24.797 25.56 25.621.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）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M30.356H3.000 2.863 2.773 2.721 2.621 2.65M40.5 4.000 3.775 3.675 3.559 3.459 3.50M50.5 5.000 4.775 4.675 4.599 4.

12、459 4.50M60.75 6.000 5.645 5.513 5.378 5.188 5.20M80.75 8.000 7.645 7.513 7.378 7.188 7.20M81 8.000 7.500 7.350 7.153 6.917 7.00M100.75 10.000 9.645 9.513 9.378 9.188 9.20M101 10.000 8.500 9.350 9.153 8.917 9.00M101.25 10.000 9.348 9.188 8.912 8.647 8.80M121 12.000 11.510 11.350 11.153 10.917 11.00M

13、121.25 12.000 11.368 11.188 10.912 10.647 10.80M121.5 12.000 11.216 11.026 10.676 10.376 10.50M141 14.000 13.510 13.350 13.153 12.917 13.00M141.5 14.000 13.216 13.026 12.676 12.376 12.50M161 16.000 15.510 15.350 15.153 14.917 15.00M161.5 16.000 15.216 15.026 14.676 14.376 14.50M181 18.000 17.510 17.

14、350 17.153 16.917 17.00M181.5 18.000 17.216 17.026 16.676 16.376 16.50M182 18.000 16.913 16.701 16.210 15.835 16.00M201 20.000 19.510 19.350 19.153 18.917 19.00M201.5 20.000 19.216 19.026 18.676 18.376 18.50M202 20.000 18.913 18.701 18.210 17.835 18.00M221 22.000 21.510 21.350 21.153 20.917 21.00M22

15、1.5 22.000 21.216 21.026 20.676 20.376 20.50M222 22.000 20.913 20.701 20.210 19.835 20.00M241 24.000 25.520 23.350 23.153 22.917 23.00M241.5 24.000 23.226 23.026 22.676 22.376 22.50M242 24.000 22.925 22.701 22.210 21.835 22.00M271 27.000 26.520 26.350 26.153 25.917 26.00M271.5 27.000 26.226 26.026 2

16、5.676 25.376 25.50M272 27.000 25.925 25.701 25.210 24.835 25.00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M3X0.356g2.981 2.896 2.754 2.687 2.602 2.71 2.73M4X0.5 3.980 3.874 3.655 3.580 3.439 3.60 3.63M50.5 4.980 4.874 4.655 4.580 4.439 4.60 4.63M60.75 5.978 5.838 5.491 5.391

17、5.166 5.42 5.46M80.75 7.978 7.838 7.491 7.391 7.166 7.42 7.46M81 7.974 7.794 7.324 7.212 6.891 7.26 7.29M100.75 9.978 9.838 9.491 9.391 9.166 9.42 9.46M101 9.974 9.794 9.324 9.212 8.891 9.26 9.29M101.25 9.972 9.760 9.160 9.042 8.619 9.08 9.12M121 11.974 11.794 11.324 11.206 10.891 11.25 11.29M121.25

18、 11.972 11.760 11.160 11.028 10.619 11.08 11.12M121.5 11.968 11.732 10.994 10.854 10.342 10.91 10.95M141 13.974 13.794 13.324 13.206 12.891 13.25 13.29M141.5 13.968 13.732 12.994 12.854 12.344 12.91 12.95M161 15.974 15.794 15.324 15.206 14.891 15.25 15.29M161.5 15.968 15.732 14.994 14.854 14.344 14.

19、90 14.95M181 17.974 17.794 17.324 17.206 16.891 17.25 17.29M181.5 17.968 17.732 16.994 16.854 16.334 16.90 16.95M182 17.962 17.682 16.663 16.503 15.797 16.58 16.62M201 19.974 19.794 19.324 19.206 18.891 19.24 19.29M201.5 19.968 19.732 18.994 18.854 18.344 18.90 18.95M202 19.962 19.682 18.663 18.503

20、17.797 18.57 18.62M221 21.974 21.794 21.324 21.206 20.891 21.24 21.29M221.5 21.968 21.732 20.994 20.854 20.344 20.95 20.90M222 21.962 21.682 20.663 20.503 19.797 20.57 20.62M241 23.974 23.794 23.324 23.199 22.891 23.23 23.29M241.5 23.968 23.732 22.994 22.844 22.344 22.89 22.95M242 23.962 23.682 22.6

21、63 22.493 21.797 22.57 22.62M271 26.974 26.794 26.324 26.199 25.891 26.23 26.29M271.5 26.968 26.732 25.944 25.844 25.344 25.89 25.95M272 26.962 26.682 25.663 25.493 24.797 25.56 25.621.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）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M30.356H3.000 2.86

22、3 2.773 2.721 2.621 2.65M40.5 4.000 3.775 3.675 3.559 3.459 3.50M50.5 5.000 4.775 4.675 4.599 4.459 4.50M60.75 6.000 5.645 5.513 5.378 5.188 5.20M80.75 8.000 7.645 7.513 7.378 7.188 7.20M81 8.000 7.500 7.350 7.153 6.917 7.00M100.75 10.000 9.645 9.513 9.378 9.188 9.20M101 10.000 8.500 9.350 9.153 8.9

23、17 9.00M101.25 10.000 9.348 9.188 8.912 8.647 8.80M121 12.000 11.510 11.350 11.153 10.917 11.00M121.25 12.000 11.368 11.188 10.912 10.647 10.80M121.5 12.000 11.216 11.026 10.676 10.376 10.50M141 14.000 13.510 13.350 13.153 12.917 13.00M141.5 14.000 13.216 13.026 12.676 12.376 12.50M161 16.000 15.510

24、 15.350 15.153 14.917 15.00M161.5 16.000 15.216 15.026 14.676 14.376 14.50M181 18.000 17.510 17.350 17.153 16.917 17.00M181.5 18.000 17.216 17.026 16.676 16.376 16.50M182 18.000 16.913 16.701 16.210 15.835 16.00M201 20.000 19.510 19.350 19.153 18.917 19.00M201.5 20.000 19.216 19.026 18.676 18.376 18

25、.50M202 20.000 18.913 18.701 18.210 17.835 18.00M221 22.000 21.510 21.350 21.153 20.917 21.00M221.5 22.000 21.216 21.026 20.676 20.376 20.50M222 22.000 20.913 20.701 20.210 19.835 20.00M241 24.000 25.520 23.350 23.153 22.917 23.00M241.5 24.000 23.226 23.026 22.676 22.376 22.50M242 24.000 22.925 22.7

26、01 22.210 21.835 22.00M271 27.000 26.520 26.350 26.153 25.917 26.00M271.5 27.000 26.226 26.026 25.676 25.376 25.50M272 27.000 25.925 25.701 25.210 24.835 25.00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M30.56H3.000 2.775 2.675 2.599 2.459 2.50M40.7 4.000 3.663

27、 3.545 3.422 3.242 3.30M50.8 5.000 4.605 4.480 4.334 4.134 4.20M61 6.000 5.500 5.350 5.153 4.917 5.00M81.25 8.000 7.348 7.188 6.912 6.647 6.80M101.5 10.000 9.206 9.026 8.676 8.376 8.50M121.75 12.000 11.063 10.863 10.441 10.106 10.20M142 14.000 12.913 12.701 12.210 11.835 12.00M162 16.000 14.913 14.7

28、01 14.210 13.835 14.00M182.5 18.000 16.600 16.376 15.744 15.294 15.50M202.5 20.000 18.600 18.376 17.744 17.294 17.50M222.5 22.000 20.600 20.376 19.744 19.294 19.50M243 24.000 22.316 22.051 21.252 20.752 21.00M273 27.000 25.316 25.051 24.252 23.752 24.00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

29、头直径最小 最大 最小 最大 最小M30.356H3.000 2.863 2.773 2.721 2.621 2.65M40.5 4.000 3.775 3.675 3.559 3.459 3.50M50.5 5.000 4.775 4.675 4.599 4.459 4.50M60.75 6.000 5.645 5.513 5.378 5.188 5.20M80.75 8.000 7.645 7.513 7.378 7.188 7.20M81 8.000 7.500 7.350 7.153 6.917 7.00M100.75 10.000 9.645 9.513 9.378 9.188 9.

30、20M101 10.000 8.500 9.350 9.153 8.917 9.00M101.25 10.000 9.348 9.188 8.912 8.647 8.80M121 12.000 11.510 11.350 11.153 10.917 11.00M121.25 12.000 11.368 11.188 10.912 10.647 10.80M121.5 12.000 11.216 11.026 10.676 10.376 10.50M141 14.000 13.510 13.350 13.153 12.917 13.00M141.5 14.000 13.216 13.026 12

31、.676 12.376 12.50M161 16.000 15.510 15.350 15.153 14.917 15.00M161.5 16.000 15.216 15.026 14.676 14.376 14.50M181 18.000 17.510 17.350 17.153 16.917 17.00M181.5 18.000 17.216 17.026 16.676 16.376 16.50M182 18.000 16.913 16.701 16.210 15.835 16.00M201 20.000 19.510 19.350 19.153 18.917 19.00M201.5 20

32、.000 19.216 19.026 18.676 18.376 18.50M202 20.000 18.913 18.701 18.210 17.835 18.00M221 22.000 21.510 21.350 21.153 20.917 21.00M221.5 22.000 21.216 21.026 20.676 20.376 20.50M222 22.000 20.913 20.701 20.210 19.835 20.00M241 24.000 25.520 23.350 23.153 22.917 23.00M241.5 24.000 23.226 23.026 22.676 22.376 22.50M242 24.000 22.925 22.701 22.210 21.835 22.00M271 27.000 26.520 26.350 26.153 25.917 26.00M271.5 27.000 26.226 26.026 25.676 25.376 25.50M272 27.000 25.925 25.701 25.210 24.835 25.00