螺纹加工底孔直径对照表.doc

螺纹加工底孔直径对照表本文件包含内容公制粗螺纹2级牙底孔径对照表公制细螺纹2级牙底孔径对照表美制粗螺纹2级牙底孔径对照表美制细螺纹2级牙底孔径对照表公制迫牙丝攻钻孔径对照表美制迫牙丝攻钻孔径对照表美制特细螺纹2级牙底孔径对照表英制电器螺纹底孔径对照表英制管螺纹(PS）底孔径对照表英制管螺纹(PT）底孔径对照表美制管螺纹(NPT、NPS）底孔径对照表英制螺纹(UNEF）底孔径对照表公制螺纹（滚造径）底孔径对照表针车用其所长螺纹（滚造径）底孔径对照表英制圆柱管螺纹(55度）加工一览表英制锥管螺纹(55度）加工一览表布锥管螺纹加工一览表美制UNC、UNF螺纹参数表惠氏BSW、BSF螺纹参数表公制螺纹特殊材质工件加工底孔径对照表非密封管螺纹底孔径对照表英制锥管螺纹和英制锥螺纹攻丝前钻底孔的钻头直径日标英制锥度管螺纹底孔径对照表英制平行管螺纹底孔径对照表美制管用螺纹（使用/不使用铰刀）底孔径对照表圆锥管螺纹（新旧国标、日标）底孔径对照表圆柱管螺纹（新旧国标、日标）底孔径对照表布锥管螺纹（新旧国标、日标）底孔径对照表公制粗牙（铜、铁、不锈钢、铝质工件）底孔径对照表公制细牙（铜、铁、不锈钢、铝质工件）底孔径对照表60度圆锥管螺纹（钻/镗孔）底孔径对照表60度圆柱管螺纹（钻/镗孔）底孔径对照表公制粗螺纹规格标准径2级牙钻孔径最大最小M1.00.250.75 0.785 0.729 M1.10.250.85 0.885 0.829 M1.20.250.95 0.985 0.985 M1.40.31.10 1.142 1.075 M1.60.351.25 1.321 1.221 M1.70.351.35 1.421 1.321 M1.80.351.45 1.521 1.421 M2.00.41.60 1.679 1.567 M2.20.451.75 1.838 1.713 M2.30.41.90 1.979 1.867 M2.50.452.10 2.138 2.013 M2.60.452.20 2.238 2.113 M3.00.52.50 2.599 2.459 M3.00.62.40 2.440 2.280 M3.50.62.90 3.010 2.850 M4.00.73.30 3.422 3.242 M4.00.753.25 3.326 3.106 M4.50.753.80 3.878 3.688 M5.00.84.20 4.334 4.134 M5.00.94.10 4.170 3.930 M6.01.05.00 5.153 4.917 M7.01.06.00 6.153 5.917 M8.01.256.80 6.912 6.647 M9.01.257.80 7.912 7.647 M101.58.50 8.676 8.376 M111.59.50 9.676 9.376 M121.7510.30 10.441 10.106 M142.012.00 12.210 11.835 M162.014.00 14.210 13.835 M182.515.50 15.744 15.294 M202.517.50 17.744 17.294 M222.519.50 19.744 19.294 M243.021.00 21.252 20.752 M273.024.00 24.252 23.752 M303.526.50 26.771 26.211 公制细螺纹规格标准径2级牙钻孔径最大最小M1.00.20.80 0.8210.783M1.10.20.90 0.9210.883M1.20.21.00 1.0210.983M1.40.21.20 1.2211.183M1.60.21.40 1.4211.383M1.70.21.45 1.500 1.460 M1.80.21.60 1.621 1.583 M2.00.251.75 1.785 1.729 M2.20.251.95 1.985 1.929 M2.30.252.05 2.061 2.001 M2.50.352.20 2.221 2.121 M2.60.352.20 2.246 2.186 M3.00.352.70 2.721 2.621 M3.50.353.20 3.221 3.121 M4.00.53.50 3.599 3.459 M4.50.54.00 4.099 3.959 M5.00.54.50 4.599 4.459 M5.50.55.00 5.099 4.959 M6.00.755.30 5.378 5.188 M6.00.55.50 5.550 5.400 M7.00.756.30 6.378 6.188 M7.00.56.50 6.550 6.400 M8.01.07.00 7.153 6.917 M8.00.757.30 7.378 7.188 M8.00.57.50 7.520 7.400 M9.01.08.00 8.153 7.917 M9.00.758.30 8.378 8.188 M101.258.80 8.912 8.647 M101.09.00 9.153 8.917 M100.759.30 9.378 9.188 M100.59.50 9.520 9.400 M111.010.00 10.153 9.917 M110.7510.30 10.378 10.188 M121.510.50 10.676 10.376 M121.2510.80 10.912 10.647 M121.011.00 11.153 10.917 M120.511.50 11.520 11.400 M141.512.50 12.676 12.376 M141.013.00 13.153 12.917 M151.513.50 13.676 13.376 M151.014.00 14.153 13.917 M161.514.50 14.676 14.376 M161.015.00 15.153 14.917 M171.515.50 15.676 15.376 M171.016.00 16.153 15.917 M182.016.00 16.210 15.835 M181.516.50 16.676 16.376 M181.017.00 17.153 16.917 M202.018.00 18.210 17.835 M201.518.50 18.676 18.376 M201.019.00 19.153 18.917 M222.020.00 20.210 19.835 M221.520.50 20.676 20.376 M221.021.00 21.153 20.917 M242.022.00 22.210 21.835 M241.522.50 22.676 22.376 M241.023.00 23.153 22.917 M252.023.00 23.210 22.835 M251.523.50 23.676 23.376 M251.024.00 24.153 23.917 M261.524.50 24.676 24.376 M272.025.00 25.210 24.835 M271.525.50 25.676 25.376 M271.026.00 26.153 25.917 M282.026.00 26.210 25.835 M281.526.50 26.676 26.376 M281.027.00 27.15326.917 M303.027.00 27.25226.752 M302.028.00 28.210 27.835 M301.528.50 28.676 28.376 M301.029.00 29.153 28.917 M322.030.00 30.210 29.835 M321.530.50 30.676 30.376 M333.030.00 30.252 29.752 M332.031.00 31.210 30.835 M331.531.50 31.676 31.376 M351.533.50 33.676 33.376 M363.033.00 33.252 32.752 M362.034.00 34.210 33.835 M361.534.50 34.676 34.376 美制粗螺纹规格（UNC）标准径2级牙钻孔径最大最小NO.1-64(1.854)1.55 1.5821.425NO.2-56(2.184)1.80 1.8711.695NO.3-48(2.515)2.10 2.1461.941NO.4-40(2.845)2.30 2.3852.157NO.5-40(3.175)2.60 2.6972.487NO.6-32(3.505)2.80 2.8952.642NO.8-32(4.166)3.40 3.533.302NO.10-24(4.826)3.90 3.9623.683NO.12-24(5.486)4.50 4.5974。