RUKO 2-blade spiral step drill, 30.5 mm, high speed steel, 101-093, 1 piece

Catalog number: 101-093 Features: ●Good bite into the workpiece, allowing for speedy and stable work. Applications: ●Cutting materials: 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): 9 ●Shank diameter (mm): 10 ●Drilling dimensions (φ): 5.3, 7, 9, 10.5, 14.5, 18.5, 23.5, 27, 30.5 ●Surface treatment: Non-coated ●Non-coated Material/Finish: ●High speed steel Set contents/Accessories: ●None