Mapal MEGA-Countersink (COS110) Unequally Divided 3-Blade Long Shank COS110-2050-335C-SP345-L 1 Piece

Catalog number: COS110-2050-335C-SP345-L 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): 20.5 ●Tip diameter (mm): 3.5 ●Total length (mm): 114 ●Shank diameter (mm): 10 ●Tip angle (°): 90 ●Surface treatment: Special Tin coating ●3-blade Material/Finish: ●High-speed steel (HSS)