DRILLCO - 1-1/4,MACHINE COUNTERSINK 60DEG 4 FLUTE - 38E216A

Four Flute Machine Countersinks have a longer shank to use in Turret lathes and for screw machine work.
most common angles for countersinking available; 60°, 82°, 90°
4 flutes for improved removal rate and surface finish
longer shank for use in turret lathes