Countersinks

Single Flute Countersinks should be used when multi-flute countersinks chatter or the hole is too small for a multi-flute countersink to enter.

60° Countersinks are used for centering.

82° Countersinks are used for countersinking flathead screws.

90° Countersinks are used for chamfering and deburring.

100° Countersinks are used to make screw and rivet holes.