6 products
1" Black Iron Locknut - Fittings N' Valves
1/2" Black Iron Locknut
Sale price$1.09
1" Black Iron Locknut - Fittings N' Valves
3/4" Black Iron Locknut
Sale price$2.23
1" Black Iron Locknut - Fittings N' Valves
1" Black Iron Locknut
Sale price$2.87
1" Black Iron Locknut - Fittings N' Valves
1-1/4" Black Iron Locknut
Sale price$2.97
1" Black Iron Locknut - Fittings N' Valves
1-1/2" Black Iron Locknut
Sale price$3.97
1" Black Iron Locknut - Fittings N' Valves
2" Black Iron Locknut
Sale price$5.59
What Is a Lock Nut Used For?

A lock nut threads onto a pipe or nipple and tightens against a fitting or panel to hold the assembly firm and prevent it backing off.

This collection shows imported black iron lock nuts.