MAPAL MEGA-Countersink (COS110) Unequally divided 3 blades 1 COS110-1240-335C-SP345 1 piece

Catalog number: COS110-1240-335C-SP345 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): 12.4 ●Tip diameter (mm): 2.8 ●Total length (mm): 56 ●Shank diameter (mm): 8 ●Tip angle (°): 90 ●Number of blades (pieces): 3 ●Surface treatment: Special Tin coating ●Cutter tip angle (°): 90 ●Number of blades: 3 ●3-blade Material/Finish: ●High-speed steel (HSS)