Winning Bore Cobalt Step Drill 4-12mm Titanium Coating CSD-1T 1 ​​piece

Catalogue number: CSD-1T Features: ●Spiral grooves for improved sharpness. ●Unique cutting blade configuration provides outstanding performance. ●One tool can drill holes of different diameters. ●Hole drilling can be done accurately without wobbling. ●Can be used for multiple purposes such as deburring, widening holes, and chamfering. ●No center punch required. Applications: ●Cutting materials: Iron 2mm or less, stainless steel 1.6mm or less, aluminum, copper, plywood, plastic, etc. ●Electrical and electrical construction work. ●Automobile repair, sheet metal. ●Hobbies, DIY, etc. Specifications: ●Step width (mm): 5 ●Number of steps (steps): 9 ●Number of blades (pieces): 2 ●Shank shape: Hexagonal shaft (6.35mm) ●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 ●Drilling dimensions (φmm): 4, 5, 6, 7, 8, 9, 10, 11, 12 Material/Finish: ●Cobalt high speed steel Set contents/Accessories: ●None