STEP DRILL SET 3PCS

Set of three step drills for drilling in high-grade stainless steel, structural steel, cold-rolled steel, non-ferrous metals, steel sheets and plastics.

drill parameters:

diameter 4-12 (4, 6, 8, 10, 12 mm), working length 43 mm, overall length 64 mm

diameter 4-22 (4, 6, 8, 10, 12, 14, 16, 18, 20, 22 mm), working length 52 mm, overall length 74 mm

diameter 6-38 (6, 8, 11, 14, 17, 20, 23, 26, 29, 32, 35, 38 mm), working length 76 mm, overall length 100 mm

material: HSS4241 steel

blackened surface

handle: cylindrical with three flat surfaces