Step drill drilling range 6–32 mm HSS spiral-grooved no. of cutters 2 no. of ste6G509007
Step drill drilling range 4–12 mm HSS spiral-grooved no. of cutters 2 no. of ste3K047131
Ruko ULTIMATECUT Multidrill HSS RUnaTEC, spiral fluted with turbo tip M25Z729694
Step drill drilling range 5.3–30.5 mm HSS spiral-grooved no. of cutters 2 no. of9V142509
Step drill drilling range 6–37 mm HSS spiral-grooved no. of cutters 2 no. of ste8Y055875
Ruko Step drill HSS, CBN ground,spiral fluted with split point, short design0K952419
Tecwerk Step drill drill. range 12-20 mm HSS, straight-fluted no. of cutters 2 no. of st4V454595