RUKO 2-blade spiral step drill (hexagonal shaft type) 20mm titanium 101051TH 1 piece

Catalog number: 101051TH Features: ●High-quality materials are used, allowing for stable drilling without load or vibration. Applications: ●Cutting materials: Steel plate, copper plate, aluminum, plastic (up to 4 mm) Specifications: ●Step width (mm): 4 ●Number of steps (steps): 9 ●Shank diameter (mm): 6.35 ●Drilling dimensions (φ): 4, 6, 8, 10, 12, 14, 16, 18, 20 ●Total length (mm): 75 ●Surface treatment: Titanium coating Material/Finish: ●High-speed steel