Mapal MEGA-Countersink (COS110) Unequally Split 3-Blade Long Shank COS110-1040-335C-SP345-L 1 Piece

Catalog number: COS110-1040-335C-SP345-L Features: ●By adopting an unequal-split blade (patent pending), cutting resistance is greatly reduced and burrs and thread damage are prevented. ●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): 10.4 ●Tip diameter (mm): 2.5 ●Total length (mm): 107 ●Shank diameter (mm): 6 ●Tip angle (°): 90 ●Surface treatment: Special Tin coating ●3-blade Material/Finish: ●High-speed steel (HSS)