Step drill set ULTIMATECUT dm 6-12/6-20/6-27 mm HSS spiral-grooved 3-part plasti6U759963
Step drill drilling range 5.5–38.5 mm HSS spiral-grooved no. of cutters 2 no. of9U230498
Step drill drilling range 6–40 mm HSS spiral-grooved no. of cutters 2 no. of ste5R605331