5Pcs Center Drill Bit HSS AType for Die Stainless Steel AllGround Spiral Positioning 4mm

Feature: 1. Suitable for bench drills, milling machines, machining centers 2. High‑speed steel material, with high hardness, of sharpness, wear‑resistant and heat‑resistant, long service life 3. Enlarged chip flute design, beneficial to high‑speed operation and accelerate chip removal 4. Better strength and durability all‑ground spiral positioning with high work efficiency 5. Special for die steel and stainless steel processing, very practical Specification: Item Type: Center Drill Bit Material: High speed steel Specification: Approx. 4mm 0.2in Shank Diameter: Approx. 10mm 0.4in Blade Length: Approx. 6.6mm 0.3in Full Length: Approx. 56.2mm 2.2in. Package List: 5 x Center Drill Bit