RUKO 2-blade spiral step drill 1-3/8 titanium 101706T 1 piece

Catalog number: 101706T 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): 5 ● Drilling dimensions (φ): 7/8, 1-1/8, 1-7/32, 1-1/4, 1-3/8 ● Surface treatment: Titanium coating ● Drilling dimensions: 7/8, 1-1/8, 1-7/32, 1-1/4, 1-3/8 ● Shank diameter: 3/8 Material/Finish: ● High-speed steel