螺纹加工规范表含st孔).doc

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螺距切削丝锥底孔直径钻头直径钢丝螺套M10.250.750.75规格底孔直径钻头直径M1.20.250.950.95ST20.42.092.1M1.60.351.251.25ST2.50.452.62.60.21.41.4ST30.53.113.1M1.80.351.451.45ST40.74.154.20.21.61.6ST50.85.175.2M20.41.61.6ST616.220.251.751.75ST717.22M2.20.451.751.75ST818.220.251.951.95ST81.258.27M2.50.452.052.05ST10110.220.352.152.15ST101.510.32M30.52.52.50.352.652.65M3.50.353.153.15M40.73.33.30.53.53.5M50.84.24.20.54.54.5M61550.755.25.20.55.55.5M81.256.76.71770.757.27.2M101.58.58.51.258.78.71990.759.29.2M121.7510.210.21.510.510.5M1421211.91.512.512.511313螺纹加工规范表