螺丝攻牙表-培训讲学.xls

螺丝攻牙钻孔孔径对照表公制粗螺牙公制細螺牙英制PT管螺牙絲攻規格標準孔徑絲攻規格標準孔徑絲攻規格標準孔徑絲攻規格標準孔徑M1.0*0.250.75M1.0*0.20.8M11*0.7510.31/166.2-6.5M1.1*0.250.85M1.1*0.20.9M12*1.510.51/88.2-8.5M1.2*0.250.95M1.2*0.21M12*1.2510.81/411-11.4M1.4*0.31.1M1.4*0.21.2M12*1.0113/814.5-15M1.6*0.351.25M1.6*0.21.4M12*0.511.51/218-18.5M1.7*0.351.35M1.7*0.21.45M14*1.512.53/423.5-24M1.8*0.351.45M1.8*0.21.6M14*1.013129.5-30.2M2.0*0.41.6M2.0*0.251.75M15*1.513.51-1/438-38.8M2.2*0.451.75M2.2*0.251.95M15*1.0141-1/244-44.8M2.3*0.41.9M2.3*0.252.05M16*1.514.5255.5-56.5M2.5*0.452.1M2.5*0.352.2M16*1.015公制細螺牙M2.6*0.452.2M2.6*0.352.2M17*1.515.5M3.0*0.52.5M3.0*0.352.7M17*1.016絲攻規格標準孔徑M3.5*0.62.9M3.5*0.353.2M18*2.016M4.0*0.73.3M4.0*0.53.5M18*1.516.5M27*1.026M4.5*0.753.8M4.5*0.54M18*1.017M28*2.026M5.0*0.84.2M5.0*0.54.5M20*2.018M28*1.526.5M6.0*1.05M5.5*0.55M20*1.518.5M28*1.027M7.0*1.06M6.0*0.755.3M20*1.019M30*3.027M8.0*1.256.8M6.0*0.55.5M22*2.020M30*2.028M9.0*1.257.8M7.0*0.756.3M22*1.520.5M30*1.528.5M10*1.58.5M7.0*0.56.5M22*1.021M30*1.029M11*1.59.5M8.0*1.07M24*2.022M32*2.030M12*1.7510.3M8.0*0.757.3M24*1.522.5M32*1.530.5M14*2.012M8.0*0.57.5M24*1.023M33*3.030M16*2.014M9.0*1.08M25*2.023M33*2.031M18*2.515.5M9.0*0.758.3M25*1.523.5M33*1.531.5M20*2.517.5M10*1.258.8M25*1.024M35*1.533.5M22*2.519.5M10*1.09M26*1.524.5M36*3.033M24*321M10*0.759.3M27*2.025M36*2.034M27*324M10*0.59.5M27*1.525.5M36*1.534.5M30*3.526.5M11*1.010以上攻牙對照表,是理論上的標準孔徑,我們在實際作業過程中要根據材料的硬度和材質而適當的做一些孔徑的變動是可行的.以上只是參考,不要太死板的去處理一些事情.