Drill the pilot hole and countersink or counterbore for screws in one easy step. Countersink to drive the head of the screw flush with or slightly below the surface. Easily control depth using an optional stop collar. Counterbore to drive the screw below the surface and plug the hole. The 82° countersink angle matches the angle on the head of most wood screws.
| Size | 5/64", 3/32", 7/64", 1/8", 9/64" |
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