攻丝前钻孔用180°直柄阶梯钻

Order No. Order No. For Thread step Countersinker Step Length Flute Length Total Length
HSS-E
18010030 18011030 M3 3.4 6.0 9.0 57.0 93.0
18010040 18011040 M4 4.5 8.0 11.0 75.0 117.0
18010050 18011050 M5 5.5 10.0 13.0 87.0 133.0
18010060 18011060 M6 6.6 11.0 15.0 94.0 142.0
18010080 18011080 M8 9.0 15.0 19.0 114.0 169.0
18010100 18011100 M10 11.0 18.0 23.0 130.0 191.0