Description Compatible with 5″ 3- or 4-Jaw Lathe Chuck with 95 mm Registration Recess Can Use on a Flange for 4″ Chuck with 72 mm Registration Boss Works on 8×12 and 8×14 Lathes This adapter mounts a 5″ 3- or 4-jaw lathe chuck with a 95 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 lathe. Specifications Outside Diameter Ø 4.9″ (125 mm) Center Hole Ø 1.2″ (30 mm) Spindle Side Registration Recess Ø 2.8″ (72 mm) Spindle Side Bold Circle Ø 3.3″ (84 mm) Chuck Side Registration Boss Ø 3.7″ (95 mm) Chuck Side Bolt Circle Ø 4.3″ (108 mm) Thickness Ø 0.6″ (16 mm) Chuck Mounting Holes 6
