HSS Step Drill Set | 3 - 20 mm | 3 pcs.

HSS Step Drill Set | 3 - 20 mm | 3 pcs HSS step drill, size 1: 3 - 12 mm, 1 mm stepsHSS step drill, size 2: 6 - 20 mm, 2 mm steps HSS step drill, size 3: 4 - 12 mm, 2 mm steps