Alpha HSS Cobalt 3 Flute 90° Countersink
 
Fully ground M42 HSS-Co8 increases strength and countersink life
Three flute construction reduces chip load and controls chatter, which permits higher feed rates
Recommended machine use for accurate speed and feed rates for optimum results.
 
The Alpha three flute countersinks are the most multipurpose countersinks in the range. Suitable for countersinking all metals, plastics and wood.