Step drill drilling range 4–39 mm HSS spiral-grooved no. of cutters 2 no. of ste2Z860697
Ruko ULTIMATECUT step drill HSS RUnaTEC with FLOWSTEP® No.11F652008
Fabory Step Drill 5-28mm HSS 10mm ShankU6315.005.028
Milwaukee Step Drill 4-30mm 0.25" Shank7K742874
Fabory Step drill Spiral Fluted with Split point HSS 4-8 6,0-26,75MMU6315.006.268
Fabory Step Drill 6-32mm HSS 10mm ShankU6315.006.032