70 mm Lathe Independent Chuck 4 Jaw with MT3 Mounting Shank M14 x 1 October 13, 2023 admin Quality 4 jaw independent chuck 70 mm Diameter. Contra rotating rapid jaw adjustment mechanism. SUPPLIED WITH MT-3 SHANKS & 2 KEYS FOR CHUCK. THREADED 14 x 1. SHANKS ARE HARDENED AND GROUND. DIAMETER OF THE CHUCK IS 70 mm. Share