Countersink: 3/4" Head Dia, 82 &deg MPN:9056740190500

Niacron's SpyroTec is a powerful end mill that offers exceptional performance for demanding applications requiring high precision cuts and smooth finishes. Its unique three flutes design ensures optimal chip removal, reducing heat buildup resulting in reduced wear compared to two-flute designs while providing increased durability at higher feeds rates. The 3/4 head diameter delivers exceptional stability during operation even on hard materials while the small corner radii offer excellent chip evacuation reducing chatter vibration ensuring quality cuts on tight radius corners. With a 0.21 cutting diameter, the SpyroTec provides cost-effective precision machining suitable for aerospace or automotive industries requiring intricate and complex hole finishing applications.