螺纹螺距及底孔查询表

机械加工标准必要时要经常看

公制粗牙螺纹(公制粗牙螺纹(M)

规格

下孔径

下孔径(%)60%100%

M1　　×0.25

0.750.840.73M1.1　×0.250.850.940.83M1.2　×0.250.951.040.93M1.4×0.31.101.211.08M1.6　×0.351.251.371.22M1.7　×0.351.351.471.32M1.8　×0.351.451.571.42M2　×0.41.601.741.57M2.2　×0.451.751.911.71M2.3　×0.41.902.041.87M2.5　×0.452.052.212.01M2.6　×0.452.152.312.11M3　　×0.52.502.682.46M3　　×0.62.402.612.35M3.5　×0.62.903.112.85M4　　×0.73.303.553.24M4　　×0.753.253.513.19M4.5　×0.753.754.013.69M5　　×0.84.204.484.13M5　　×0.94.104.704.66M6　　×1.05.005.354.92M7　　×1.06.006.355.92M8　　×1.256.807.196.65M9　×1.257.808.197.65M10　　×1.58.509.038.38M11　　×1.59.5010.039.38M12　　×1.7510.2010.8610.11M14　　×2.012.0012.7011.83M16　×2.014.0014.7013.83M18　　×2.515.5016.3815.29M20　　×2.517.5018.3817.29M22　　×2.519.5020.3819.29M24　　×3.021.0022.0520.75M27　　×3.024.0025.0523.75M30　×3.526.5027.7326.21M33　×3.529.5030.7329.21M36　　×4.032.0033.4031.67M39　　×4.035.0036.4034.67M42　　×4.537.5039.0837.13M45　×4.540.5042.0840.13M48　　×5.043.0044.7542.59M52　　×5.047.0048.7546×59M56　　×5.550.5052.4350.05M60　　×5.554.5056.4354.05M64　　×658.0060.1057.50M68　　×662.0064.1061.50M72　×666.0068.1065.50M76　　×6

70.00

72.1069.50

公制细牙螺纹(公制细牙螺纹(M)

规格

下孔径

下孔径(%)60%100%

M1　　×0.2

0.80

0.870.78M1.1　×0.2

0.900.970.88M1.2　×0.21.001.070.98M1.4　×0.2

1.201.271.18M1.6　×0.21.401.471.38M1.8　×0.21.601.671.58M2　　×0.251.751.841.73M2.2　×0.25

1.952.071.93M2.5　×0.352.152.272.12M3　　×0.352.652.772.62M3.5　×0.353.153.273.12M4　　×0.53.503.683.46M4.5　×0.5

4.004.183.96M5　　×0.54.504.684.46M5.5　×0.55.005.184.96M6　　×0.55.505.685.46M6　　×0.755.255.515.19M7　　×0.756.256.516.19M8　　×0.757.257.517.19M8　　×1.07.007.356.92M9　　×1.08.008.357.92M10　×0.759.259.519.19M10　×1.09.009.358.92M10　×1.258.759.198.65M11　×1.010.0010.359.92M12　×0.7511.2511.5111.19M12　×1.011.0011.3510.92M12　×1.2510.7511.1910.65M12　×1.510.5011.0310.38M14　×1.013.0013.3512.92M14　×1.2512.7513.1912.65M14　×1.512.5013.0312.38M15　×1.014.0014.3513.92M15　×1.2513.7514.1913.65M15　×1.513.5014.0313.38M16　×1.015.0015.3514.92M16　×1.2514.7515.1914.65M16　×1.514.5015.0314.38M18　×1.017.0017.3516.92M18　×1.2516.7517.1916.65M18　×1.516.5017.0316.38M18　×2.016.0016.7015.83M20　×1.019.0019.3518.92M20　×1.2518.7519.1918.65M20　×1.518.5019.0318.38M20　×2.018.0018.7017.83M22　×1.021.0021.3520.92M22　×1.25

20.75

21.19

20.65

英制粗牙螺纹(英制粗牙螺纹(W)

规格

下孔径

下孔径(%)60%100%

W1/16

-601.201.261.05W3/32-481.801.971.70W1/8-402.602.692.36W5/32-323.103.362.95W3/16-243.603.953.41W7/32-244.504.744.20W1/4-205.105.374.72W5/16-186.506.856.13W3/8-167.908.317.49W7/16-149.309.728.79W1/2-1210.5011.079.99W9/16-1212.0012.6611.58W5/8-1113.5014.1012.92W3/4-1016.5017.1015.80W7/8-919.2520.0618.61W1-822.0022.9621.33W11/8-724.7525.7923.93W11/4-727.7528.9627.10W13/8-630.2031.6729.50W11/2-633.5034.8532.68W15/8-535.5037.3734.77W13/4-538.5040.5537.94W17/8-4.541.5043.2940.40W2

-4.5

44.50

46.46

43.57

无屑丝攻英制粗牙螺纹(无屑丝攻英制粗牙螺纹(W)

规格

下孔径

下孔径(%)60%100%

W1/16-601.401.421.32W3/32-482.102.182.04W1/8-402.852.932.77W5/32-323.553.663.46W3/16-244.254.364.08W7/32-245.055.154.88W1/4-205.755.865.54W5/16-187.307.407.03W3/8-168.808.928.51W7/16-1410.3010.429.95W1/2

-12

11.75

11.89

11.34

英制管牙螺纹

规格

PT(Rc)PS(Pp)PF(G)下孔径下孔径下孔径

1/16

-28

6.30

6.50

6.70

美制粗牙螺纹(美制粗牙螺纹(UNC)UNC)

规格

下孔径

下孔径(%)60%100%

Nr.1

-641.501.601.42Nr.2-561.801.891.69Nr.3-482.102.171.94Nr.4-402.302.432.16Nr.5-402.602.762.49Nr.6-322.752.992.65Nr.8-323.503.653.31Nr.10-243.804.143.68Nr.12-244.504.804.341/4-205.105.534.985/16-186.507.026.413/8-167.908.497.817/16-149.309.939.151/2-1310.8011.4310.589/16-1212.2012.9112.005/8-1113.5014.3813.383/4-1016.5017.4016.307/8-919.5020.3919.171-822.2523.3421.9611/4-728.0029.3927.8213/8-631.0032.1830.3411/2-634.5035.3533.5213/4-539.0041.1538.952

-4.5

45.00

47.13

44.69

无屑丝攻美制粗牙螺纹(无屑丝攻美制粗牙螺纹(UNC)UNC)

规格

下孔径

下孔径(%)60%100%

Nr.1-641.701.731.64Nr.2-562.002.041.94Nr.3-482.252.342.23Nr.4-402.552.642.50Nr.5-402.902.972.83Nr.6-323.153.253.08Nr.8-323.803.913.74Nr.10-244.354.484.25Nr.12-245.005.144.911/4-205.755.945.665/16-187.307.487.173/8-168.809.018.677/16-1410.3010.5210.131/2

-13

11.80

12.07

11.64

针车牙螺纹(针车牙螺纹(SM)SM)美制细牙螺纹(美制细牙螺纹(UNF)UNF)

规格

下孔径

下孔径(%)60%100%

Nr.0

-801.301.321.18Nr.1-721.601.621.47Nr.2-641.901.931.75Nr.3-562.102.222.02Nr.4-482.402.502.27Nr.5-442.702.802.55Nr.6-403.003.092.82Nr.8-363.503.713.40Nr.10-324.104.313.97Nr.12-284.704.904.501/4-285.505.765.375/16-246.907.256.793/8-248.508.848.387/16-209.9010.299.741/2-2011.5011.8811.339/16-1812.9013.3712.765/8-1814.5014.9614.353/4-1617.5018.0217.337/8-1420.2521.0520.261-1223.2524.0323.1111/8-1226.5027.2026.2811/4-1229.5030.3829.4613/8-1232.5033.3532.6311/2

-12

36.00

36.73

35.81

无屑丝攻美制细牙螺纹(无屑丝攻美制细牙螺纹(UNF)UNF)

规格

下孔径

下孔径(%)60%100%

Nr.0-801.401.421.35Nr.1-721.701.741.66Nr.2-642.002.061.97Nr.3-562.302.372.27Nr.4-482.602.672. …… 此处隐藏：6115字，全部文档内容请下载后查看。喜欢就下载吧 ……