螺纹标准与钻攻丝标准.doc

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1、公制细螺纹公制标准螺纹规格标准径2级螺纹内径规格标准径1级-2级螺纹内径上限下限上限下限M1*0.250.750.7850.729M1*0.200.80.8210.783M1.1*0.250.850.8850.829M1.1*0.200.90.9210.883M1.2*.250.950.9850.929M1.2*0.2011.0210.983M1.4*0.31.11.1421.075M1.4*0.201.21.2211.183M1.6*0.351.251.3211.221M1.6*0.201.41.4211.383M1.7*0.351.351.4211.321*M1.7*0.201.

2、451.51.46M1.8*0.351.451.5211.421M1.8*0.201.61.6211.583M2*0..41.61.6791.576M2*0.251.751.7851.729M2.2*0.451.751.8381.713M2.2*0.251.951.9851.929M2.3*0.41.91.9791.867*M2.3*0.252.052.0162.001M2.5*0.452.12.1382.013M2.5*0.352.1212.2212.121M2.6*0.452.22.2382.113*M2.6*0.352.22.2462.186M3*0.52.52.5992.45

3、9M3*0.352.72.7212.621*M3*0.62.42.442.28M3.5*0.353.23.2213.121M3.5*0.62.93.012.85M4*0.503.53.5993.459M4*0.73.33.4223.242M4.5*0.5044.0993.959*M4*0.753.253.3263.106M5*0.504.54.5994.459M4.5*0.753.83.8783.688M5.5*0.5055.0994.959M5*0.84.24.3344.134M6*0.755.35.3785.188*M5*0.94.14.173.93*M6*0.55.55.555

4、.4M6*155.1534.917M7*0.756.36.3786.188M7*166.1535.917*M7*0.506.56.556.4M8*1.256.86.9126.647M8*1.077.1536.917M9*1.257.87.9127.647M8*0.757.37.3787.188M10*1.58.58.6768.376*M8*0.507.57.527.4M11*1.59.59.6769.376M9*1.088.1537.917M12*1.7510.310.44110.106M9*0.758.38.3788.188M14*21212.2111.835M10*1.258.8

5、8.9128.647M16*21414.2113.835　　　　M18*2.515.515.74415.249　　　　M20*2.517.517.74417.249　　　　M22*2.519.519.74419.249　　　　M24*32121.25220.752　　　　M27*32424.25223.752　　　　M30*3.526.526.77126.211　　　　M33*3.529.529.77129.211　　　　M36*43232.2731.67　　　　M39*43535.2734.67　　　　M42*4.537.537.77937.129　　　　M45*4.540.540

6、.77940.129　　　　M48*54343.27942.587　　　　　　　　附*号螺纹自学968年3月删除公制粗螺纹公制细螺纹规格标准径最大最小规格标准径最大最小规格标准径最大最小M1.0*0.250.750.7850.729M1.0*0.20.80.8210.783M15*1.01414.35313.917M1.1*0.250.850.8850.829M1.1*0.20.90.9210.883M16*1.514.514.67614.376M1.2*0.250.950.9850.929M1.2*0.211.0210.983M16*1.01515.15314.917M1.4*0.

7、31.11.1421.075M1.4*0.21.21.2211.183M17*1.515.515.67615.376M1.6*0.351.251.3211.221M1.6*0.21.41.4211.383M17*1.01616.15315.917M1.7*0.351.351.4211.321M1.7*0.21.451.51.46M18*2.01616.2115.835M1.8*0.351.451.5211.421M1.8*0.21.61.6211.583M