RUKO 2-blade spiral step drill (hexagonal shaft type) 12mm high speed steel 101051H 1 piece

Catalogue number: 101051H Features: ● Made of high-quality material, it allows stable drilling without load or vibration. Applications: ● Cutting material: Steel plate, copper plate, stainless steel, aluminum, plastic (up to 4mm) Specifications: ● Step width (mm): 4 ● Number of steps (steps): 9 ● Number of teeth (pieces): 2 ● Shank diameter (mm): 6.35 ● Drilling dimensions (φ): 4, 6, 8, 10, 12, 14, 16, 18, 20 ● Total length (mm): 75 ● Surface treatment: Non-coated ● Non-coated Material/Finish: ● High-speed steel