W.L. Fuller Series 61 High Speed Steel UniFlute Countersinks

-This is the original single flute Countersink.
-Designed for general purpose countersinking, chamfering or deburring.
-The Uniflute can be used in a hand tool or in a machine tool.
-Unique cam relieved geometry makes this tool self piloting and completely chatterless.
-No secondary burrs are formed.