OSG High-Speed ​​Coated Drill, Super Premium High-Speed ​​Steel, Regular Type, Blade Diameter 7.4mm, Flute Length 69mm, 8593074, VP-GDR-7.4, 1 Piece

Catalog number: VP-GDR-7.4 Features: ●Super premium high speed steel + V coating allows high speed machining approaching that of carbide drills. Applications: ●Cutting materials: low, medium and high carbon steel, alloy steel, tempered steel (up to 35HRC), tool steel, cast iron, ductile cast iron, aluminum drawn material, aluminum alloy casting, titanium alloy, magnesium alloy. Specifications: ●Blade diameter (mm): 7.4 ●Groove length (mm): 69 ●Total length (mm): 113 ●Shank diameter (mm): 8 ●Effective machining depth: 3D (blade diameter x 3 times) ●Twist angle (°): 40 ●Surface treatment: V coating ●Twist angle (°): 40 ●Outer diameter (Dc): 7.4 Material/Finish: ●Super premium high speed steel (SPH)