RUKO 2-blade spiral step drill, 20mm, titanium aluminum, 101051F, 1 piece

Catalogue number: 101051F Features: ● Made of high-quality material, it allows stable drilling without load or vibration. Applications: ● Cutting material: Steel plate (strength 1100N/mm2 or less), aluminum, brass, plastic (up to 4mm) Specifications: ● Step width (mm): 4 ● Number of steps (steps): 9 ● Number of blades (pieces): 2 ● Shank diameter (mm): 8 ● Drilling dimensions (φ): 4, 6, 8, 10, 12, 14, 16, 18, 20 ● Total length (mm): 75 ● Surface treatment: Titanium aluminum coating Material/Finish: ● High-speed steel