MAPAL MEGA-Countersink (COS112) Unequally Split 3-Blade 60° Flat Shank COS112-2500-334C-SP348 1 Piece

Catalog number: COS112-2500-334C-SP348 Features: ●Unequally divided blade (patent pending) significantly reduces cutting resistance and prevents burrs and thread damage. ●Suppresses vibration and improves surface roughness and roundness. Applications: ●Workpiece: carbon steel, alloy steel, stainless steel, cast iron, light alloy. Specifications: ●Effective blade diameter (mm): 25.0 ●Tip diameter (mm): 6.3 ●Total length (mm): 71 ●Shank diameter (mm): 10 ●Tip angle (°): 60 ●Surface treatment: Special Tin coating ●3-blade Material/Finish: ●High-speed steel (HSS)