Adapter, 4" Spindle to 6" Lathe Chuck (3 Hole)

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. * Note Don't forget to purchase the appropriate set of Studs & Nuts to accommodate changes in chuck or adapter configurations.