Counterbores, sometimes called spotfacers, create a flat-bottomed cavity at the top of an existing hole so that a bolt, nut, or other part is hidden beneath or sits flush with the top of the hole when installed into it.
. BT-CS-16
| Reid Supply | |
|---|---|
| Product Category | Counterbores |
| Product Number | BT-CS-16 |
| Product Name | Counterbore |
| Product | Individual Counterbore |
