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, 3 Jaw, Camlock, D1-6, Diameter 10″, Union Brand $249.00 Add to cart Chuck, 3 Jaw, Threaded 2-3/8 8TPI Cushman 9″ Diameter $149.00 Add to cart Chuck, 3 Jaw, Plain Back, Bison 12-3/8″ Diameter $395.00 Add to cart Chuck, 3 Jaw, Camlock, D1-6, Diameter 12-1/2″ Rohm $395.00 Add to cart