Catalog number: ERD-4.0 Features: ●The cutting edge is candle-shape, so there are few burrs even in thin plates. ●X-shaped thinning and unclear (no margin) allow you to drill holes that are close to perfect circles at the desired position. Applications: ●Cutting materials: Steel plate (approx. 3 mm), stainless steel plate (approx. 2 mm), aluminum, plastic, wood, etc. Specifications: ●Blade diameter (mm): 4.0 ●Groove length (mm): 22 ●Total length (mm): 84 ●Shank shape: Hexagonal shaft (6.35 mm) ●Shank diameter (mm): 6.35 Material/Finish: ●High-speed steel (HSS)
