螺纹标准(同名4882).doc

公 制 精 螺 纹规格标准径2级牙钻孔径最大最小M1.0×0.250.750.7850.729M1.1×0.250.850.8850.829M1.2×0.250.950.9850.929M1.4×0.31.101.1421.075M1.6×0.351.251.3211.221M1.7×0.351.351.4211.321M1.8×0.351.451.5211.421M2.0×0.41.601.6791.567M2.2×0.451.751.8381.713M2.3×0.41.901.9791.867M2.5×0.452.102.1382.013M2.6×0.452.202.2382.113M3.0×0.52.502.5992.459M3.0×0.62.402.442.280M3.5×0.62.903.0102.850M4.0×0.73.303.4223.242M4.0×0.753.253.3263.106M4.5×0.753.803.8783.688M5.0×0.84.204.3344.134M5.0×0.94.104.1703.930M6.0×1.05.005.1534.917M7.0×1.06.006.1535.917M8.0×1.256.806.9126.647M9.0×1.257.807.9127.647M10×1.58.508.6768.376M11×1.59.509.6769.376M12×1.7510.3010.44110.106M14×2.012.0012.21011.735M16×2.014.0014.21013.835M18×2.515.5015.74415.294M20×2.517.5017.74417.294M22×2.519.5019.74419.294M24×3.021.0021.2522.752M27×3.024.0024.25223.752M30×3.526.5026.77126.211公 制 细 螺 纹规格标准径2级牙钻孔径最大最小M1.0×0.20.800.8210.783M1.1×0.20.900.9210.883M1.2×0.21.001.0210.983M1.4×0.21.201.2210.183M1.6×0.21.401.4211.383M1.7×0.21.451.5001.460M1.8×0.21.601.6211.583M2.0×0.251.751.7851.729M2.2×0.251.951.9851.929M2.3×0.252.052.0612.001M2.5×0.352.202.2212.121M2.6×0.352.202.2462.186M3.0×0.352.702.7212.621M3.5×0.353.203.2213.121M4.0×0.53.503.5993.459M4.5×0.54.004.0993.959M5×0.54.504.5994.459M5.5×0.55.005.0994.959M6.0×0.755.305.3785.188M6.0×0.55.505.5505.400M7.0×0.756.306.37861.88M7.0×0.56.506.55064.00M8.0×1.07.007.1536.917M8.0×0.757.307.3787.188M8×0.57.507.5207.400M9×1.08.008.1537.917M9×0.758.308.3788.188M10×1.258.808.9128.647M10×1.09.009.1538.917M10×0.759.309.3789.188M10×0.59.509.5209.400M11×1.010.0010.1539.917M11×0.7510.3010.37810.188M11×1.510.5010.67610.376M12×1.2510.8010.91210.647公 制 细 螺 纹规格标准径2级牙钻孔径最大最小M12×1.011.0011.15310.917M12×0.511.5011.52011.4M14×1.512.5012.67612.376M14×1.013.0013.15312.917M15×1.513.5013.67613.376M15×1.014.0014.15313.917M16×1.514.5014.67614.376M16×1.015.0015.15314.917M17×1.515.5015.67615.376M17×1.016.0016.15315.917M18×2.016.0016.21015.835M18×1.516.5016.67016.376M18×1.017.0017.15316.917M20×2.018.0018.21017.835M20×1.518.5018.67618.376M20×1.019.0019.15318.917M20×2.020.0020.21019.835M22×1.520.5020.67620.376M22×1.021.0021.15320.917M24×2.022.0022.21021.835M24×1.522.5022.67622.376M24×1.023.0023.15322.917M25×2.023.0023.21022.835M25×1.523.5023.67623.376M25×1.024.0024.15323.917M26×1.524.5024.67624.376M27×2.025.0025.21024.835M27×1.525.5025.67625.376M27×1.026.0026.15325.917M28×2.026.0026.21025.835M28×1.526.5026.67626.376M28×1.027.0027.15326.917M30×3.027.0027.25226.752M30×2.028.0028.21027.835M30×1.528.5028.67628.376M30×1.029.0029.15328.917M32×2.030.0030.21029.835M32×1.530.5030.67630.376M33×3.030.0030.25229.752M33×2.031.0031.21030.835M33×1.531.5031.37631.376M35×1.533.5033.67633.376M36×3.033.0033.25232.752M36×2.034.0034.21033.835M36×1.534.5034.67634.376 美 制 细 螺 纹 规格(UNF)标准径2级牙钻孔径最大最小番数牙外径NO.0-80(1.524)1.251.3051.182NO.1-72(1.854)1.551.6121.474NO.2-64(2.184)1.851.9121.756NO.3-56(2.515)2.102.1972.025NO.4-48(2.845)2.402.4582.271NO.5-44(3.175)2.702.7402.551NO.6-40(3.505)2.903.0222.820NO.8-36(4.166)3.503.6063.404NO.10-32(4.826)4.104.1653.963NO.12-28(5.846)4.604.7244.4961/4 -285.505.5885.3605/16 -246.907.0356.7823/8 -248.508.6368.3827/16 -209.9010.0339.7291/2 -2011.5011.60711.3299/16 -1812.9013.08112.7515/8 -1814.5014.68114.3513/4 -1617.5014.67817.3237/8 -1420.5020.67520.2701 -1223.2023.57123.1141-1/8 -1226.5026.74626.2891-1/4 -1229.5029.92129.4641-3/8 -1232.8033.09632.4641-1/2 -1236.0036.27035.814无 屑 丝 攻 钻 孔 径规格精度等级RH4.5.6RH7.8RH9M1.0×0.250.860.88-M1.1×0.250.960.98-M1.2×0.251.061.08-M1.4×0.31.241.25-M1.6×0.351.411.43-M1.7×0.351.511.53-M1.8×0.351.611.63-M2.0×0.41.781.80-M2.2×0.451.951.98-M2.3×0.42.082.10-M2.5×0.452.252.28-M2.6×0.452.351.38-M3.0×0.52.732.75-M3.0×0.63.173.20-M4.0×0.73.623.653.69M5.0×0.84。