3/4-10 Slotted Hex Nut - Grade 5 - Carbon Steel - Zinc Clear Trivalent - Coarse - Pkg of 10 - B2175427

SLOTTED LOCK NUTS HAVE A SLOT CUT INTO ONE END THAT PROJECTS PAST THE NUT'S OPENING. ONCE THE LOCK NUT IS THREADED ONTO THE FASTENER AND ROTATED INTO POSITION, IT IS SECURED WITH A COTTER PIN.