6" 4-JAW SELF-CENTERING LATHE CHUCK w. L00 adapter back mounting plate | CME Tools
Chuck Adaptors | Kitagawa
D-14 Lathe Backplates - D1-4 Chuck Adapter Back Plate for Lathes
Lathe Chuck Face Plate, Easy to Install Steel Lathe Face Plate, Flat Cutting with 6 Mounting Holes for Industrial Use (14mm): Amazon.com: Tools & Home Improvement
8" 4-Jaw Self-Centering Lathe Chuck w. 2-1/4"-8 adaptor back mounting | CME Tools
SHOP TIPS #213 Part 1 of 2 Fitting a Backing Plate to a Lathe Chuck tubalcain - YouTube