RUKO 2-blade spiral step drill, 28mm, high speed steel, 101058, 1 piece

Catalogue number: 101058 Features: ●High-quality materials are used, allowing stable drilling without load or vibration. Applications: ●Cutting materials: Steel plate (strength 900N/mm2 or less), brass, aluminum, plastic (up to 4mm) Specifications: ●Step width (mm): 4 ●Number of steps (steps): 7 ●Shank diameter (mm): 10 ●Drilling dimensions (φ): 5, 8.8, 11.8, 15.3, 19, 24.5, 28 ●Total length (mm): 69 ●Surface treatment: Non-coated ●Non-coated Material/Finish: ●High-speed steel