普通公制螺纹规格一览表

1、美制细螺纹美制粗螺纹规格(UNF)标准径2级牙钻孔径规格(UNC)标准径2级牙钻孔径最大最小最大最小N0.0-80(1.524)1.251.3051.162NO.1-64(1.854)1.551.5821.425NO.1-72(1.354)1.551.6121.474NO.2-56(2.184)1.801.8711.695NO.2-64(2.184)1.851.9121.736NO.3-48(2.515)2.102.1461.941NO.3-56(2.515)2.102.1972.025NO.4-40(2.845)2.302.3852.157NO.4-48(2.845)2.402.4582.2

2、71NO.5-40(3.175)2.602.6972.487NO.5-44(3.175)2.702.7402.551NO.6-32(3.505)2.802.8952.642NO.6-40(3.505)2.903.0222.820NO.8-32(4.166)3.403.5303.302NO.8-36(4.166)3.503.6063.404NO.10-24(4.826)3.903.9623.683NO.10-32(4.826)4.104.1653.963NO.12-24(5.346)4.504.5974.344NO.12-28(5.346)4.604.7244.4961/4-285.105.25

3、74.9791/4-285.505.5885.3605/16-186.606.7316.4015/16-246.907.0356.7823/8-168.008.1537.7983/8-248.508.6368.3827/16-149.409.5509.1447/16-209.9010.0339.7291/2-1310.8011.02310.5921/2-2011.5011.60711.3299/16-1212.2012.44611.9899/16-1812.9013.08112.7515/8-1113.6012.86813.3865/8-1814.5014.58114.3513/4-1016.

4、5018.84016.3073/4-1617.5017.67817.3237/8-919.5019.76119.1777/8-1420.5020.67520.2701 -822.2022.60621.9711 -1223.2023.57123.1141-1/8-725.0025.34924.6381-1/8-1226.5026.74626.2691-1/4-728.2028.52427.8131-1/4-1229.5029.92129.4641-3/8-630.8031.11530.3531-3/8-1232.8033.09632.6391-1/2-634.0034.29038.5281-1/

5、2-1236.0036.27135.8141-3/4-539.5039.32738.9642 -4-1/245.2045.59344.679美制手特细螺纹美制锥度管螺纹规格(UNEF)标准径2级牙钻孔径规格(NSPT)钻孔径最大最小NPTNPS使用绞刀时不用绞刀时NO.12 - 324.704.8624.6231/16 - 276.106.256.351/4 - 325.605.6905.4861/8 - 278.338.438.745/16 - 327.107.2647.0871/4 - 1810.7211.1311.133/8 - 328.708.8658.6613/8 - 1814.27

6、14.2714.587/16 - 2810.2010.33810.1351/2 - 1417.4817.8618.261/2 - 2811.8011.93811.7093/4 - 1422.5323.0123.429/16 - 2413.2013.38613.1321 - 11-1/228.5828.9829.365/8 - 2414.8014.98314.7321-1/4-11-1/237.3137.6938.103/4 - 2017.8017.95817.6781-1/2-11-1/243.6644.0444.457/8 - 2021.0021.13320.8532 - 11-1/255.

7、5855.9656.361 - 2024.0024.30824.028英制管螺纹英制锥度管螺纹规格2级牙钻孔径规格钻孔径/yu | m(BSP)标准径最大最小/yu | m(BSPT)N使用绞刀时PT不用绞刀时NPSNPSRC 1/16-286.506.6326.490PT 1/16 - 286.106.206.2446.384RP 1/8-288.508.6378.495PT 1/8 - 288.108.208.2498.388G 1/4-1911.4011.54911.341PT 1/4 - 1910.7011.0010.96211.1743/8-1915.0015.05414.846PT

8、 3/8 - 1914.2014.5014.44814.6581/2-1418.5018.77318.489PT 1/2 - 1417.6018.0017.97918.2633/4-1424.0024.25923.975PT 3/4 - 1423.0023.5023.37823.6631 - 1130.2030.47130.111PT 1 -1129.0029.5029.45929.8221-1/4 - 1138.8039.13238.772PT 1-1/4 - 1137.5038.0037.97638.3391-1/2 - 1144.8045.02544.665PT 1-1/2 - 1143

9、.4044.0043.86944.2322 - 1156.6056.83656.476PT 2 - 1154.9055.5055.4125.344公制螺纹2级牙钻孔径2级牙钻孔径规格标准径最大最小规格标准径最大最小M1.0 X 0.20.800.8210.783M11 X 1.010.0010.1539.917M1.1 X 0.20.900.9210.883M11 X 0.7510.3010.37810.188M1.2 X 0.21.001.0210.983M12 X 1.510.5010.57610.376M1.4 X 0.21.201.2211.183M12 X 1.2510.8010.9

10、1210.647M1.6 X 0.21.401.4211.383M27 X 2.025.0025.21024.835M1.7 X 0.21.451.5001.460M27 X 1.525.5025.67624.376M1.8 X 0.21.601.6211.583M27 X 1.026.0026.15325.917M2.0 X 0.251.751.7851.729M28 X 2.026.0026.21025.835M2.2 X 0.251.951.9851.929M28 X 1.526.526.67626.376M2.3 X 0.252.052.0612.001M28*1.027.0027.1

11、5326.917M2.5 X 0.352.202.2212.121M30*3.027.0027.25226.752M2.6X 0.352.202.2462.186M30*1.528.528.67628.376M3.0X 0.352.702.7212.621M30*1.029.0029.15328.917M3.5X 0.353.203.2210.121M32*2.030.0030.21029.835M4.0X 0.503.503.5993.459M32*1.530.5030.67630.376M4.5 X 0.54.004.0993.959M33*3.030.0030.25229.752M5.0

12、 X 0.54.504.5994.459M33*2.031.0031.21030.835M5.5 X 0.55.005.0994.959M33*1.531.5031.67631.376M6.0 X 0.755.305.3785.188M35*1.533.5033.67633.376M6.0 X 0.55.505.5505.400M36*3.033.0033.25232.752M7.0 X 0.756.306.3786.188M36*2.034.0034.21033.835M7.0 X 0.56.506.5506.400M36*1.534.5034.67634.376M8.0 X 1.07.007.1536.917M18*2.515.5015.74415.294M8.0 X 0.757.307.3787.188M20*2.517.5017.74417.294M8.0 X 0.507.507.5207.400M22*2.519.5019.74419.294M9.0 X 1.08.008.15