Description
Steel Counterbore- 7/32" with 3/32" Pilot Hole
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- 7/16" Cutting diameter
- 5/32" hole for pilot
- 2 piece construction (pilot sold seperately)
- High Speed Steel
- Counterbores are used to cut a pocket or recess that is centered over an existing hole. In knifemaking they are used to make the heads of screws, pivots, etc sit flush in surrounding material or to cut pockets for the heads of corby bolts and other handle fasteners.