MAPAL MEGA-Countersink (COS112) Unequally divided 3-blade flat shank COS112-0430-335C-SP345 1 piece

Catalog number: COS112-0430-335C-SP345 Features: ●The adoption of an unequally divided blade with flat shank (patent pending) significantly reduces cutting resistance and prevents burrs and crushed threads. ●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): 4.3 ●Tip diameter (mm): 1.3 ●Total length (mm): 40 ●Shank diameter (mm): 4 ●Tip angle (°): 90 ●Surface treatment: Special Tin coating ●3 blades ●Tip angle: 90° Material/Finish: ●High speed steel (HSS)