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美制细螺纹规格标准径2级牙钻孔径***大***小NO.2-64(2.184)1.851.9121.756NO.3-56(2.515)2.102.1792.025NO.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)4.604.7244.4961/4-285.505.5885.3605/16-246.907.0356.7823/8-248.508.6368.3827/16-209.9010.0339.7291/2-2011.5011.60711.329美制粗牙规格牙数外径滚造径***大***小***大***小NO:1641.8381.7431.581.56NO:2562.1692.0661.871.85NO:3482.4962.3832.142.11NO:4402.8242.6952.402.37NO:5403.1543.0262.722.69NO:6323.4843.3332.942.91NO:8324.1423.9913.63.57NO:10244.8004.6184.094.05NO:12245.4615.2794.754.701/4206.3226.1175.55.455/16187.9077.6876.986.933/8169.4919.2548.458.47/161411.07610.8169.899.831/21312.66112.38611.3911.32美制粗螺纹(UNC)规格标准径2级牙钻孔径***大***小番数牙外径NO.1-64(1.854)1.551.5821.425NO.2-56(2.184)1.801.8711.695NO.3-48(2.515)2.102.1461.941NO.4-40(2.845)2.302.3852.157NO.5-40(3.175)2.602.6972.487NO.6-32(3.505)2.802.8952.642NO.8-32(4.166)3.403.5303.302NO.10-24(4.826)3.903.9623.683NO.12-24(5.486)4.504.5974.3441/4-205.105.2574.9795/16-186.606.7316.4013/8-168.008.1537.7987/16-149.409.5509.1441/2-1310.8011.02310.592美制细牙规格牙数外径滚造径***大***小***大***小NO.2642.1692.0731.911.89NO.3562.4962.3932.202.17NO.4482.8272.7132.472.44NO.5443.1573.0362.762.73NO.6403.4843.3563.053.02NO.8364.1454.0063.663.63NO.10324.8004.6514.264.23NO.12285.4615.2964.854.811/4286.3246.1605.725.685/16247.9097.7277.207.163/8249.4979.3158.768.747/162011.07910.84710.2310.181/22012.66612.46211.8211.76规格标准径2级牙钻孔径***大***小M1.0*0.20.800.8210.783M2.0*0.251.751.7851.729M2.5*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*0.56.506.556.400M8.0*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*0.59.509.5209.400M12*1.011.0011.15310.917公制粗螺纹规格标准径2级牙钻孔径***大***小M1.0*0.250.750.7800.729M2.0*0.41.601.6791.567M2.5*0.452.102.1382.013M2.6*0.452.202.2382.113M3.0*0.52.502.5992.459M3.5*0.62.903.0102.850M4.0*0.73.303.4223.242M4.5*0.753.803.8783.688M5.0*0.84.204.3344.134M6.0*1.05.005.1534.917M7.0*1.06.006.1535.917M8.0*1.256.806.9126.647M9.0*1.257.807.9127.647M10*1.58.508.6768.376
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