RUKO 2-blade spiral step drill, 28mm, titanium aluminum, 101058F, 1 piece

Catalogue number: 101058F 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): 7 ● Number of blades (pieces): 2 ● Shank diameter (mm): 10 ● Drilling dimensions (φ): 5, 8.8, 11.8, 15.3, 19, 24.5, 28 ● Total length (mm): 69 ● Surface treatment: Titanium aluminum coating Material/Finish: ● High-speed steel