3/4"-16 Lock Nut for 1" Go-Kart Axles.. The 3/4"-16 is common on 1" axle that have the 3/4" step-down on either end.. This 3/4"-16 lock nut for go-kart axles threads onto the axle shaft ends to hold the wheel in place.. Used on many go-karts and dune buggies of various sizes..
