Ruko step drill hss sp gr. 3, titan0W898584
Fabory Step Drill 6-32mm HSS 10mm ShankU6315.006.032
Tecwerk Step drill drill. range 12-20 mm HSS, straight-fluted no. of cutters 2 no. of st4V454595
Fabory Step drill Spiral Fluted with Split point HSS 4-8 6,0-26,75MMU6315.006.268
Step drill drilling range 6.5–40.5 mm HSS spiral-grooved no. of cutters 2 no. of2I680969
Ruko Step drill HSS, CBN ground,spiral fluted with split point, short design0K952419
Step drill drilling range 6–38 mm HSS spiral-grooved no. of cutters 2 no. of ste7U316845