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1、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*0.31.11.1421.075M1.4*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*0.21.61.6211.583M18*1.516.516.67616.376M2.0*0.41.61.6791.567M2.0*0.251.751.7851.729M18*1.01717.15316.917M2.2*0.451.751.8881.713M2.2*0.251.951.9851.929M20*2.01818.2117.835M2.3*0.41.91.9791.867M2.3*0.252.052.0612.001M20*1.518.518.67618.376M2.5*0.452.12.1382.013M2.5*0.352.22.2212.121M20*1.01919.15318.917M2.6*0.452.22.2382.113M2.5*0.352.22.2462.186M22*2.02020.2119.835M3.0*0.52.52.5992.459M3.0*0.352.72.7212.621M22*1.520.520.67620.376M3.0*0.62.42.442.28M3.5*0.353.23.2213.12122*1.02121.15320.917M3.5*0.62.93.012.85M4.0*0.53.53.5993.459M24*2.02222.2121.835M4.0*0.73.83.4223.242M4.5*0.544.0993.959M24*1.522.522.67622.376M4.0*0.753.253.3263.106M5.0*0.54.54.5994.459M24*1.02323.15322.917M4.5*0.73.83.8783.688M5.5*0.555.0994.959M25*2.02323.2122.835M5*0.84.24.3344.134M6.0*0.755.35.3785.188M25*1.523.523.67623.376M5*0.94.14.173.98M6.0*0.55.55.555.4M25*1.02424.15323.917M6*1.055.1534.917M7.0*0.756.36.3786.188M26*1.524.524.67624.876M7*1.066.1535.917M7.0*0.56.56.556.4M27*2.02525.2124.735M8*1.256.86.9126.647M8.0*177.1536.917M27*1.525.525.67625.376M9*1.257.87.9127.647M8.0*0.757.37.3787.188M27*1.02626.15325.735M10*1.58.58.6768.376M8.0*0.57.57.527.4M28*2.02626.2125.835M11*1.59.59.6769.376M9.0*188.1537.917M28*1.52626.67626.376M12*1.7510.310.2410.106M9.0*0.758.38.3788.188M28*1.02727.15326.917M14*2.01212.2111.835M10*1.258.88.9128.647M30*3.02727.25226.752M16*2.01414.2113.835M10*1.099.1538.917M30*2.02828.2127.835M18*2.51515.14415.294M10*0.759.39.3789.188M30*1.02828.67628.376M20*2.51717.74417.294M10*0.59.59.529.4M32*2.03029.15328.917M22*2.51919.74419.294M11*1.01010.1539.917M32*1.53030.2129.835M24*3.02121.25220.752M11*0.7510.310.37810.188M33*3.03030.67630.376M27*3.02424.25223.752M12*1.510.510.67610.376M33*2.03130.25229.752M30*3.526.526.77126.211M12*1.2510.810.91210.647M33*1.531.531.2130.835M12*11111.15310.917M35*1.533.533.67631.376M12*0.511.511.52311.4M36*3.03333.25232.752M14*0.512.512.67612.376M36*2.03434.2133.835M14*1.01313.15312.917M36*1.53434.67634.376M15*1.5013.513.67613.376英美联合螺纹英美联细螺纹规格钻头径2B螺纹径规格钻头径下孔径上限下限上限下限NO.1-64UNC1.551.5821.425no.0-80unf1.251.3051.182NO.2-56UNC1.81.8711.695no.1-72unf1.551.6121.474NO.3-48UNC2.12.1461.941no.2-64-unf1.851.9121.756NO.4-40UNC2.32.3852.157no.3-565unf2.12.1972.025NO.5-40UNC2.62.6792.487no.4-48unf2.42.4582.271NO.6-32UNC2.82.8952.642no.5-44unf2.72.742.551NO.832UNC3.43.533.302no.6-40unf2.93.0222.82NO.10-24UNC3.93.9263.683no.8-36unf3.53.6063.404NO.12-24UNC4.54.5974.344no.10-32unf4.14.1653.96314-20UNC5.15.2574..979no.12-28unf4.64.7244.496516-18unc6.66.7316.40114-28unf5.55.5885.3638-16UNC88.1537.798516-24unf6.97.0356.782716-14UNC9.49.559.14438-24unf8.58.6368.38212-13UNC10.811.02310.599716-20unf9.910.0339.729916-12UNC12.212.44611.98912-unf11.511.60711.32958-11UNC13.613.86813.386916-unf12.913.08112.7534-10UNC16.516.8416.30758-18unf14.514.68114.3578-9UNC19.519.76119.17734-16unf17.517.67817.321--8UNC22.222.60621.97178-14unf20.520.67520.27118-7UNC2525.34924.8131--12unf23.223.57123.11114-7UNC28.228.52427.813118-12unf26.526.74626.28138-6UNC30.831.11530.353114-12unf29.529.92129.46112-6UNC3434.2933.528138-12unf32.833.09632.63134-5UNC39.539.82738.964112-12unf3636.27135.812-412UNC45.245.59344.679。

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