Countersinks & Counterbores With Non-marking Free-wheel Stop Collars

Helps make production work go much faster
Designed and made in Taiwan with a fitted free-spinning ring-depth-stop that halts countersinking and counterboring at preset fully adjustable depths - without marring your work. The drills are straight drills and the drive is a hex shank.

The Countersinks are sized to fit #6-8, #8-10, and #10-12 screw heads. The Counterbores are sized to fit #12, #14, and #16 screw heads. If you have a lot of this work to do, these will save you a lot of time. Select the sets of all 3 and Save.