High Speed Steel Bright Fractional Chatterless Countersink
Six Flute Chatterless countersinks are designed for fast shearing cuts, minimal chatter and lower vibrations.
Features:
most common angles for countersinking available; 60°, 82°, 90°
6 flutes for very fast shearing cuts
higher flute count reduces chip size and chatter
Applications:
Deburring edges of holes
Cutting a chamfer for a hole
Countersinking a hole for screw head clearances