RUKO 2-blade spiral step drill, 20mm, cobalt high speed steel, 101051E, 1 piece

Catalogue number: 101051E Features: ●High-quality materials are used, allowing 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): 9 ●Shank diameter (mm): 8 ●Drilling dimensions (φ): 4, 6, 8, 10, 12, 14, 16, 18, 20 ●Total length (mm): 75 ●Surface treatment: Non-coated ●Non-coated Material/Finish: ●Cobalt high speed steel