Winning Bore Step Drill Pyramid Drill 4-22mm RSD-22 1 piece

Catalogue number: RSD-22 Features: ● Spiral cut system improves sharpness. ● Stepped for versatile use. ● One tool can drill holes of different diameters. ● Convenient for deburring, enlarging holes, and chamfering. ● No center punch required. Applications: ● Workpiece: Iron (up to 2mm), stainless steel (up to 1.6mm), aluminum, copper, plywood, plastic. Specifications: ● Step width (mm): 6 ● Number of steps (steps): 10 ● Number of blades (pieces): 2 ● Shank shape: Hexagonal shaft ● Shank diameter (mm): 6.35 ● Drilling dimensions (φ): 4, 6, 8, 10, 12, 14, 16, 18, 20, 22 ● Total length (mm): 86 ● Surface treatment: Non-coated ● Non-coated Material/Finish: ● High-speed steel (HSS) Set contents/Accessories: ● None