标准螺纹底孔对照表(共2页).docx

精选优质文档-倾情为你奉上螺纹攻丝底孔对照表螺纹规格钻头直径M1.6X0.351.25M2 X0.41.6M2.5X0.452.05M3 X0.52.5M3.5X0.62.9M4 X0.73.3M5 X0.84.2M6 X15M8 X1.256.8M8 X17M10 X1.58.5M10 X1.258.8M12 X1.7510.2M12 X1.5010.5M12 X1.2510.8M14 X212M14 X1.512.5M16 X214M16 X1.514.5M18 X2.515.5M18 X1.516.5M20 X2.517.5M20 X1.518.5M22 X2.519.5M22 X1.520.5M24 X321M24 X222M27 X324M27 X225