| Answer | Crossword Clue |
|---|---|
| boltholes | BOLTHOLE, a hole into which a bolt slides |
| bolthole | a hole into which a bolt slides |
| countersinking | Drive (a screw, nail, or bolt) into such a hole |
| countersunk | Drive (a screw, nail, or bolt) into such a hole |
| countersink | Drive (a screw, nail, or bolt) into such a hole |
| countersinks | Drive (a screw, nail, or bolt) into such a hole |
