Winning Bore Step Drill Pyramid Drill 4-12mm Titanium Coating RSD-1T 1 ​​piece

Catalogue number: RSD-1T Features: ●Titanium coating provides excellent strength and durability. ●Spiral cut system improves sharpness. ●Convenient for deburring, enlarging holes, and chamfering. ●No need for center punching. Applications: ●Cutting materials: iron (up to 2 mm), stainless steel (up to 1.6 mm), aluminum, copper, plywood, plastic. Specifications: ●Step width (mm): 5 ●Number of steps (steps): 9 ●Number of blades (pieces): 2 ●Shank shape: hexagonal shaft (6.35 mm) ●Shank diameter (mm): 6.35 ●Drilling dimensions (φ): 4, 5, 6, 7, 8, 9, 10, 11, 12 ●Total length (mm): 70 ●Surface treatment: titanium coating Material/Finish: ●High speed steel (HSS) Set contents/Accessories: ●None