- Fits 6″ 3-Jaw Lathe Chucks with 130 mm Registration Recess
- Can Use with 6″ Chuck on a Flange for 4″ Chuck with 72 mm Registration Boss
- Works on 8×12 and 8×14 Lathes
This adapter mounts a 6″ 3-jaw lathe chuck with a 130 mm registration recess on a flange for a 4″ chuck with a 72 mm registration boss. It works on 8×12 and 8×14 lathes as well as the Harbor Freight 5980 multipurpose machine. It also fits the SIEG C4 and SC4 lathes.
*NOTE* If using with any of our 6″ 4-jaw chucks (2038, 6547) additional mounting holes will need to be drilled. Use M8 transfer screws to mark holes for the 2038 chuck.
| Outside Diameter | Ø 6.5″ (165 mm) |
| Center Hole | Ø 2.0″ (50 mm) |
| Spindle Side Registration Recess | Ø 2.8″ (72 mm) |
| Spindle Side Bolt Circle | Ø 3.3″ (84 mm) |
| Chuck Side Registration Boss | Ø 5.1″ (130 mm) |
| Chuck Side Bolt Circle | Ø 5.6″ (142 mm) |
| Chuck Mounting Holes | 3 |
