Dronco Countersink – 1/2 in | 36E132B

Dronco Countersink – 1/2 in

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.