RUKO 2-blade spiral step drill, 12mm, cobalt high speed steel, 101050-9E, 1 piece

Catalogue number: 101050-9E Features: ● Made of high-quality materials, it allows stable drilling without load or vibration. Applications: ● Workpiece: 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): 6 ● Drilling dimensions (φ): 4, 5, 6, 7, 8, 9, 10, 11, 12 ● Overall length (mm): 65 ● Surface treatment: Non-coated ● Non-coated ● Workpiece: Iron, stainless steel, aluminum, brass, plastic Material/Finish: ● Cobalt high speed steel