螺纹加工规范表(含ST孔).doc

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1、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M1.20.250.950.95ST2×0.4Φ2.09Φ2.1M1.60.351.251.25ST2.5×0.45Φ2.6Φ2.60.21.41.4ST3×0.5Φ3.11Φ3.1M1.80.351.451.45ST4×0.7Φ4.15Φ4.20.21.61.6ST5×0.8Φ5.17Φ5.2M20.41.61.6ST6×1Φ6.220.251.751.75ST7×1Φ7.22M2.20.451.751.75ST8×1Φ8.220.251.951.95

2、ST8×1.25Φ8.27M2.50.452.052.05ST10×1Φ10.220.352.152.15ST10×1.5Φ10.32M30.52.52.50.352.652.65M3.50.353.153.15M40.73.33.30.53.53.5M50.84.24.20.54.54.5M61550.755.25.20.55.55.5M81.256.76.71770.757.27.2M101.58.58.51.258.78.71990.759.29.2M121.7510.210.21.510.510.5M1421211.91.512

3、.512.511313螺纹加工规范表