RUKO 3-blade spiral step drill, 20mm, high speed steel, 101-351, 1 piece

Catalogue number: 101-351 Features: *Three-blade design allows stable drilling without load or vibration. 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): 8 *Drilling dimensions (φ): 4, 6, 8, 10, 12, 14, 16, 18, 20 *Surface treatment: non-coated *Non-coated Material/Finish: *High-speed steel Set contents/Accessories: *None