Omi Tap Hole Drill (2-Blade) 4-Stage TSM4-6G 1 Piece

Catalog number: TSM4-6G Features: ●One tool can drill pilot holes of various sizes. Applications: ●Cutting materials: Iron plate, steel pipe, stainless steel, stainless steel pipe, cast iron, aluminum, brass, copper. ●For tap pilot holes Specifications: ●Step width (mm): 5.0, 5.5, 8.5, 8.7 ●Number of steps (steps): 4 ●Number of teeth (pieces): 2 ●Shank shape: Hexagonal shaft (6.35mm) ●Shank diameter (mm): 6.35 ●Drilling dimensions (φ): 3.3, 4.2, 5, 6.5 ●Total length (mm): 67 ●Blade diameter (mm): 3.3, 4.2, 5, 6.5 ●Blade length (mm): 24 ●Groove length (mm): 32 ●Surface treatment: Titanium coating ●Compatible screws: M4, M5, M6 Material/Finish: ●Cobalt high speed steel