Key, Lathe Chuck, 8 mm Square

- 8mm (5/16") Square Head
- Fits 3" 3-Jaw Lathe Chuck
- Fits 4" 3-Jaw Lathe Chuck
This chuck key fits 3" 3-Jaw lathe chucks, as well as 4" 3-jaw lathe chucks.
This key will also fit any other chuck that requires a 8mm (5/16") key.
Compatibility
This product works with these LittleMachineShop.com products:


Upgrade Kit, Mini Mill
Tool Bit, 5/16" x 2-1/2", M2 HSS
