RUKO 2-blade spiral step drill 30.5mm titanium aluminum 101093F 1 piece

Catalog number: 101093F Features: ● Made of high-quality materials, it allows stable drilling without load or vibration. Applications: ● Cutting materials: Steel plate (strength 1100N/mm2 or less), aluminum, brass, plastic (up to 4mm) Specifications: ● Step width (mm): 4 ● Number of steps (steps): 9 ● Shank diameter (mm): 10 ● Drilling dimensions (φ): 5.3, 7, 9, 10.5, 14.5, 18.5, 23.5, 27, 30.5 ● Total length (mm): 79 ● Surface treatment: Titanium aluminum coating Material/Finish: ● High-speed steel Set contents/Accessories: ● None