Description 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. Specifications 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
