Adapter, 6" Lathe Chuck
- 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 8x12 and 8x14 Lathes
Part Number: 4912
Weight: 5.12 lb
Weight: 5.12 lb
Price: $29.95
This product is currently backordered.
Estimated availability:
31-Jan-2026
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https://littlemachineshop.com/4912
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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 8x12 and 8x14 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 |
Compatibility
This product works with these LittleMachineShop.com products:
- 2028 Lathe Chuck - 6", 3-Jaw
- 6546 Lathe Chuck - 6", 3-Jaw, Premium, Harlingen
- 2038 Lathe Chuck - 6", 4-Jaw, Independent
This product works with lathes with a 100 mm flange chuck mount and a 8 to 12 inch swing including:
- Harbor Freight 44859 Central Machinery 8x12 Precision Mini Lathe
- MX-8x14 Preenex (and others) 8x14 Lathe
- Grizzly G0768 8x16 Benchtop Lathe
- LittleMachineShop.com 3536 HiTorque 8.5x16 Bench Lathe
- SIEG C4 8.5x16 Bench Lathe
- SIEG SC4 8.5x16 Bench Lathe
- Travers Tools OT218410 OTMT 8x16 Bench Lathe
- LittleMachineShop.com 3540 HiTorque 8.5x20 Bench Lathe
- LittleMachineShop.com 3595 HiTorque 8.5x20 Deluxe Bench Lathe
- LittleMachineShop.com 7500 HiTorque 8.5x20 Bench Lathe
- LittleMachineShop.com 7550 HiTorque 8.5x20 Deluxe Bench Lathe
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