Omi Spiral Bamboo Shoot Drill, Hexagonal Shaft, 10 Steps, TKS422EG, 1 Piece

Catalog number: TKS422EG Features: ● Uniquely developed, first domestically manufactured spiral shape. ● Excellent wear resistance and heat resistance due to the use of HSCO steel. ● Prevents chip welding due to heat, resulting in a long life. ● Achieves more than three times the durability and cutting speed compared to conventional straight blades. Applications: ● Workpiece: Steel plate, aluminum plate (2mm), stainless steel plate (1mm), wood, plywood (3.5mm). Specifications: ● Step width (mm): 4.5 ● Number of steps (steps): 10 ● Shank shape: Hexagonal shaft (6.35mm) ● Shank diameter (mm): 6.35 ● Drilling dimensions (φ): 4, 6, 8, 10, 12, 14, 16, 18, 20, 22 ● Surface treatment: Titanium coating ● Shank shape: Hexagonal shaft (6.35mm) Material/Finish: ● Cobalt high speed steel Set contents/Accessories: ● None