Conveyor coupling bolts are manufactured from special analysis high-torque steel. The close tolerance minimizes wear and maintenance. Designed with short thread length and close tolerance to fit distinctively in conveyor screws. Lock nuts are furnished with each bolt.
Martin Conveyor Coupling Bolt, Hardened Standard, For Use With: 1-1/2 in Coupling Shaft, 2-3/8 in Outside Pipe Diameter, Steel, 1/2 in Dia x 3 in L