OSG High-Speed ​​Coated Drill, Super Premium High-Speed ​​Steel, Regular Type, Blade Diameter 8.9mm, Flute Length 81mm, 8593089, VP-GDR-8.9, 1 Piece

Catalog number: VP-GDR-8.9 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): 8.9 ●Groove length (mm): 81 ●Total length (mm): 131 ●Shank diameter (mm): 10 ●Effective machining depth: 3D (blade diameter x 3 times) ●Twist angle (°): 40 ●Surface treatment: V coating ●Twist angle (°): 40 Material/Finish: ●Super premium high speed steel (SPH)