TSN.3B plate with lock

Stamped from hot-rolled strip of GOST 103-76 from steel grade 5PS. Together with the axes TSN.00.611 and plates TSN.00.496, it forms the traction circuit of the TSN.3B conveyor. There are 3 holes in the plate, the central one is made with a protrusion to act as a lock that prevents the chain from disconnecting.