ALPEN 2-blade spiral step drill, 37mm, high speed steel, 72200729, 1 piece

Catalog number: 72200729 Features: ● An easy-to-use two-blade spiral step drill with stable workability. Applications: ● Workpiece: Iron (4-6 mm) Specifications: ● Step width (mm): 3.7 ● Number of steps (steps): 11 ● Number of blades (pieces): 2 ● Shank shape: Straight ● Shank diameter (mm): 10 ● Drilling dimensions (φ): 6, 9, 12, 15.2, 18.5, 20.4, 22.5, 26, 28.3, 30.5, 37 ● Overall length (mm): 100 ● Surface treatment: Non-coated ● Non-coated Material/Finish: ● High-speed steel