挤压丝锥底孔直径一览表(共1页).doc

精选优质文档-倾情为你奉上挤压丝锥公制螺纹底孔直径一览表 螺纹公称尺寸 MP推荐 钻头直径 D最小直径最大直径M2 0.41.831.811.85M2.2 0.452.001.982.03M2.5 0.452.302.282.33M3 0.52.782.762.81M4 0.73.683.653.70M5 0.84.634.594.66M6 15.535.485.57M7 16.536.486.57M8 1.257.397.347.41M8 17.537.487.57M10 1.59.249.189.28M10 1.259.399.349.41M10 19.539.489.57螺纹公称尺寸 MP推荐 钻头直径 D最小直径最大直径M12 1.7511.1211