RUKO 2-blade spiral step drill, 40.5 mm, high speed steel, 101-090, 1 piece

Catalog number: 101-090 Features: ● Good bite into the workpiece, allowing for speedy and stable work. Applications: ● Workpiece: Iron (strength 900N/mm2 or less), aluminum, brass, plastic (2mm for plastic only, up to 4mm for others) Specifications: ● Step width (mm): 4 ● Number of steps (steps): 11 ● Shank diameter (mm): 10 ● Drilling dimensions (φ): 6.5, 8.5, 10.5, 12.5, 16.5, 20.5, 25.5, 29, 32.5, 36.5, 40.5 ● Surface treatment: Non-coated ● Non-coated Material/Finish: ● High speed steel Set contents/Accessories: ● None