RUKO 2-blade spiral step drill 30mm cobalt high speed steel 101052E 1 piece

Catalogue number: 101052E Features: ● Made of high-quality materials, it allows stable drilling without load or vibration. Applications: ● Cutting materials: Steel plate (strength 1100N/mm2 or less), stainless steel, aluminum, brass, plastic (up to 4mm) Specifications: ● Step width (mm): 4 ● Number of steps (steps): 14 ● Shank diameter (mm): 10 ● Drilling dimensions (φ): 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30 ● Total length (mm): 100 ● Surface treatment: Non-coated ● Non-coated Material/Finish: ● Cobalt high speed steel