RUKO 2-blade spiral step drill, 1 inch, titanium, 101705T, 1 piece

Catalog number: 101705T Features: ● Made of high-quality material, it allows stable drilling without load or vibration. Applications: ● Workpiece: Steel plate (strength 1100N/mm2 or less), aluminum, brass, plastic (up to 4mm) Specifications: ● Step width (mm): 4 ● Number of steps (steps): 9 ● Drilling dimensions (φ): 5/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1 ● Surface treatment: Titanium coating ● Drilling dimensions: 5/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1 ● Shank diameter: 3/8 Material/Finish: ● High-speed steel