Lockscrews are the most popular locking device for metric renewable drill bushings. Use on either the "slip" side or the "fixed" side of a slip/fixed renewable bushing. Lockscrews are simple, strong, compact, and economical.

| Material | Heat Treat | Finish | DFARS | RoHS | ||
| Mild Steel | - | Black Oxide | โ | โ |
| A (mm) | B Diameter (mm) | C Diameter (mm) | E (mm) | F (mm) | Thread | Thread Pitch (mm) |
| 18mm | 9.5mm | 16mm | 8mm | 4.3mm | M6 | 1mm |