ALPEN 2-blade spiral step drill, 20mm, cobalt high speed steel, 72600620, 1 piece

Catalog number: 72600620 Features: ●By using cobalt high speed steel as a material, it achieves both stable workability and long life. Application: ●Cutting material: Iron (4-6mm) Specifications: ●Step width (mm): 4.5 ●Number of steps (steps): 9 ●Shank diameter (mm): 8 ●Drilling dimensions (φ): 4, 6, 8, 10, 12, 14, 16, 18, 20 ●Total length (mm): 75 ●Surface treatment: Non-coated ●Non-coated Material/Finish: ●Cobalt high speed steel