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1、*本表依据二级牙制订本表依据二级牙制订 规格规格 最大最小最大最小最大最小最大最小G1-G6G7-G8G9G1-G6G7-G8G9硬材软材硬材软材 M1.0*0.250.750.7850.729M12*1.011.0011.15310.917M1.0*0.250.860.881.94W1/8 - 402.652.60 M1.1*0.250.850.8850.829M12*0.511.5011.52011.400M1.1*0.250.960.982.23W5/32 - 323.253.20 M1.2*0.250.950.9850.929M14*1.512.5012.67612.376M1.2*0
2、.251.061.082.50W3/16 - 243.753.70 M1.4*0.31.101.1421.075M14*1.013.0013.15312.917M1.4*0.31.241.252.83W1/4 - 205.105.00 M1.6*0.351.251.3211.221M15*1.513.5013.67613.376M1.6*0.351.411.433.07W5/16 - 186.606.50 M1.7*0.351.351.4211.321M15*1.014.0014.15313.917M1.7*0.351.511.533.733.77W3/8 - 168.007.90 M1.8*
3、0.351.451.5211.421M16*1.514.5014.67614.376M1.8*0.351.611.634.244.30W7/16 - 149.409.30 M2.0*0.41.601.6791.567M16*1.015.0015.15314.917M2.0*0.41.781.804.904.96W1/2 - 1210.7010.50 M2.2*0.451.751.8381.713M17*1.515.5015.67615.376M2.2*0.451.951.985.72W9/16 - 1212.3012.00 M2.3*0.41.901.9791.867M17*1.016.001
4、6.15315.917M2.3*0.42.082.107.24W5/8 - 1113.7013.50 M2.5*0.452.102.1382.013M18*2.016.0016.21015.835M2.5*0.452.252.288.748.81W3/4 - 1016.7016.50 M2.6*0.452.202.2382.113M18*1.516.5016.67516.376M2.6*0.452.352.3810.2010.30W7/8 - 919.5019.30 M3.0*0.52.502.5992.459M18*1.017.0017.15316.917M3.0*0.52.732.7511
5、.2711.82W1 - 822.4022.00 M3.0*0.62.402.4402.280M20*2.018.0018.21017.835M3.5*0.63.173.201.97W1-1/8 -725.0024.80 M3.5*0.62.903.0102.850M20*1.518.5018.67618.376M4.0*0.73.623.653.692.27W1-1/4 -728.3028.00 M4.0*0.73.303.4223.242M20*1.019.0019.15318.917M5.0*0.84.564.604.642.56 M4.0*0.753.253.3263.106M22*2
6、.020.0020.21019.835M6.0*1.05.455.505.552.86 M4.5*0.753.803.8783.688M22*1.520.5020.67620.376M7.0*1.06.456.506.553.16 M5.0*0.84.204.3344.134M22*1.021.0021.15320.917M8.0*1.257.317.387.443.78 M5.0*0.94.104.1703.930M24*2.022.0022.21021.835M10*1.59.189.259.324.394.43 M6.0*1.05.005.1534.917M24*1.522.5022.6
7、7623.376M10*1.259.319.389.444.995.04 M7.0*1.06.006.1535.917M24*1.023.0023.15322.917M12*1.7511.0411.1211.215.855.90规格规格 M8.0*1.256.806.9126.647M25*2.023.0023.21022.835M12*1.2511.3111.3811.447.367.41SM1/8 - 40 M9.0*1.257.807.9127.647M25*1.523.5022.67623.3769.00SM1/8 - 44 M10*1.58.508.6768.375M25*1.024
8、.0024.15323.91710.4810.54SM9/64 - 40 M11*1.59.509.6769.376M26*1.524.5024.67624.37612.0712.13SM11/64 - 40 M12*1.7510.3010.44110.106M27*2.025.0025.21024.835SM3/16 - 32 M14*2.012.0012.21011.835M27*1.525.5025.67625.376SM3/16 - 28 M16*2.014.0014.21013.835M27*1.026.0026.15325.917SM7/22 - ? M18*2.515.5015.
9、74415.294M28*2.026.0026.21025.835最大最小最大最小SM15/64 - 28 M20*2.517.5017.74417.294M28*1.526.5026.67626.376NO. 1 - 64(1.854)1.551.5821.452最大最小最大最小SM1/4 - 40 M22*2.519.5019.74419.294M28*1.027.0027.15326.917NO. 2 - 56(2.184)1.801.8711.6956.506.6326.490SM1/4 - 28 M24*3.021.0021.25220.752M30*3.027.0027.25226
10、.752NO. 3 - 48(2.515)2.102.1461.9418.508.6378.495SM9/32 - 28 M27*3.024.0024.25223.752M30*2.028.0028.21027.835NO .4 - 40(2.845)2.302.3852.15711.4011.54911.341SM11/32 - 28 螺螺 纹纹 攻攻 牙牙 钻钻 孔孔 径径 和和 滚滚 造造 径径 对对 照照 表.表. 针车用螺纹针车用螺纹 滚造径滚造径 2.735-2.688 2.769-2.722 规格标准径规格规格标准径规格 PS 1/4 - 19 精度等级精度等级 美制迫牙丝攻钻孔
11、径美制迫牙丝攻钻孔径 规格规格 英制管螺纹英制管螺纹 钻孔径钻孔径 1/4 - 20 NO.12-24 NO.10-24 NO. 8-32 NO. 6-32 NO. 2-56UNC NO. 3-48 NO. 4-40 NO. 5-40 NO. 3-56 NO. 2-64UNF 1/2 - 13 5.890-5.735 5.721-5.366 7/16 - 14 3/8 - 16 5/16 - 18 NO.12-29 NO.10-32 NO. 8-36 NO. 6-40 NO. 5-44 NO. 4-48 规格规格 5/16 - 24 6.508-6.648 8.092-8.432 PS 1/8
12、 - 28 1/2 - 20 7/16 - 20 3/8 - 24 规格规格 1/4 - 28 标准径标准径 美制粗螺纹美制粗螺纹 规格（规格（UNC） 二级牙钻孔径 标准径） 二级牙钻孔径 标准径 PS 1/16 - 28 ? 5.325-5.570 3.128-3.083 3.855-3.805 4.205-4.155 4.143-4.093 钻孔径钻孔径 公制粗螺公制粗螺 纹纹 二级牙钻孔径二级牙钻孔径 公制细螺公制细螺 纹纹 二级牙钻孔径二级牙钻孔径 公制迫牙丝攻钻孔径公制迫牙丝攻钻孔径 精度等级精度等级 英制螺纹英制螺纹 标准径标准径 M30*3.526.5026.77126.211
13、M30*1.528.5028.67628.376NO .5 - 40(3.175)2.602.6972.48715.0015.05414.846SM3/8 - 28 M30*1.029.0029.15328.917NO .6 - 32(3.505)2.802.8952.64218.5018.77318.489SM7/16 - 28 M32*2.030.0030.21029.835NO. 8 - 32(4.166)3.403.5303.30224.0024.25923.975SM7/16 - 16 最大最小最大最小M32*1.530.5030.67630.376NO.10 - 24(4.826)
14、3.903.9623.68330.2030.47130.111SM1/2 - 20 M1.0*0.20.800.8210.783M33*3.030.0030.25229.752NO.12 - 24(5.486)4.504.5974.34438.8039.13238.772SM9/16 - 20 M1.1*0.20.900.9210.883M33*2.031.0031.21030.8351/4 - 205.105.2574.97944.8045.02544.665 M1.2*0.21.001.0210.983M33*1.531.5031.67631.3765/16 - 186.606.7316.
15、40156.5056.83656.476 M1.4*0.21.201.2211.183M35*1.533.5033.67633.3763/8 - 168.008.1537.798 M1.6*0.21.401.4211.383M36*3.033.0033.25232.7527/16 - 149.409.5509.144 M1.7*0.21.451.5001.460M36*2.034.0034.21033.8351/2 - 1310.8011.02310.592 M1.8*0.21.601.6211.583M36*1.534.5034.67634.3769/16 - 1212.2012.44611
16、.989规格规格 M2.0*0.251.751.7851.7295/8 - 1113.6012.86811.386最大最小最大最小 M2.2*0.251.951.9851.9293/4 - 1016.5018.84016.307PT1/16 - 286.106.206.2446.384规格规格 M2.3*0.252.052.0612.0017/8 - 919.5019.76119.177PT1/8 - 288.108.208.2498.388M3 * 0.5 M2.5*0.352.202.2212.121最大最小最大最小1 -822.2022.60621.971PT1/4 - 1910.7011.0010.96211.174M3.0 * 0.6 M2.6*0.352.202.2462.186NO.0-80(1.524) 1.251.3051.1821 -1/8 - 725.0025.34924.638PT3
