各种螺纹规格

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1、Page1of10本表所推选之钻头孔径，是针对攻牙加工时，能够很容易的了解钻孔直径；而依据市场售之标准钻头所选所的。在使用钻头的情况下，由於钻头的形状及尺寸、精度、被钻孔之材质等，对於所钻孔的尺寸、精度有很大的影响，所以使用本表之钻孔径，若有不当之处，应视实际状况适当的变更钻头直径。本表是依据2级牙制订。公制粗螺纹规格标准径2级牙钻孔径最大最小M1.0×0.250.750.7850.729M1.1×0.250.850.8850.829M1.2×0.250.950.9850.929M1.4×0.31.101.1421.075M1.6×0.351.251.3211.221M1.7×0.351.35

2、1.4211.321M1.8×0.351.451.5211.421M2.0×0.41.601.6791.567M2.2×0.451.751.8381.713M2.3×0.41.901.9791.867M2.5×0.452.102.1382.013M2.6×0.452.202.2382.113M3.0×0.52.502.5992.459M3.0×0.62.402.4402.280M3.5×0.62.903.0102.850M4.0×0.73.303.4223.242M4.0×0.753.253.3263.106M4.5×0.753.803.8783.688M5.0×0.84.204.3344.1

3、34M5.0×0.94.104.1703.930M6.0×1.05.005.1534.917M7.0×1.06.006.1535.917M8.0×1.256.806.9126.647M9.0×1.257.807.9127.647M10×1.58.508.6768.376M11×1.58.508.6768.376M12×1.7510.3010.44110.106M14×2.012.0012.21011.835M16×2.014.0014.21013.835M18×2.515.5015.74415.294M20×2.517.5017.74417.294M22×2.519.5019.74419.29

4、4M24×3.021.0021.25220.752M27×3.024.0024.25223.752M30×3.526.5026.77126.211Page2of10公制细螺纹规格标准径2级牙钻孔径最大最小M1.0×0.20.800.8210.783M1.1×0.20.900.9210.883M1.2×0.21.001.021.0983M1.4×0.21.201.2211.183M1.6×0.21.401.4211.383M1.7×0.21.451.5001.460M1.8×0.21.601.6211.583M2.0×0.251.751.7851.729M2.2×0.251.951.9851.9

5、29M2.3×0.252.052.0612.001M2.5×0.352.202.2212.121M2.6×0.352.202.2462.186M3.0×0.352.702.7212.621M3.5×0.353.203.2213.121M4.0×0.53.503.5993.459M4.5×0.54.004.0993.959M5.0×0.54.504.5994.459M5.5×0.55.005.0994.959M6.0×0.755.305.3785.188M6.0×0.55.505.5505.400M7.0×0.756.306.3786.188M7.0×0.56.506.5506.400M8.0×

6、1.07.007.1536.917M8.0×0.757.307.3787.188M8.0×0.57.507.5207.400M9.0×1.08.008.1537.917M9.0×0.758.308.3788.188M10×1.258.808.9128.647M10×1.09.009.1538.917M10×0.759.309.3789.188M10×0.59.509.5209.400M11×1.010.0010.1539.917M11×0.7510.3010.37810.188M12×1.510.5010.67610.376M12×1.2510.8010.91210.647Page3of10公

7、制细螺纹规格标准径2级牙钻孔径最大最小M12×1.011.0011.15310.917M12×0.511.5011.52011.400M14×1.512.5012.67612.376M14×1.013.0013.15312.917M15×1.513.5013.67613.376M15×1.014.0014.15313.917M16×1.514.5014.67614.376M16×1.015.001