Home / Turning / Chucks & Face, Drive, Back Plates / Back Plate, Threaded, 2-3/8″ 6 TPI, Diameter 8-1/4″ View cart You cannot add that amount to the cart — we have 1 in stock and you already have 1 in your cart. Back Plate, Threaded, 2-3/8″ 6 TPI, Diameter 8-1/4″$49.00 1 in stock Add to cart Category: Chucks & Face, Drive, Back Plates Description Description 8-1/4 backplate 2-3/8 6 Spindle Thread Related products Chuck, 4 Jaw, Long Taper, L1, Diameter 12″, Horton Item # A5412L1 $395.00 Add to cart Chuck, 3 Jaw, Long Taper, L00, Diameter 8″ Union $185.00 Add to cart Collet Chuck, Plain Back, 5-C Collets, Dunham, Item #K4331 $195.00 Add to cart Chuck, 3 Jaw, Threaded 2-3/8″ 8TPI Union 10-3/4″ Diameter $149.00 Add to cart