9 products
1/8" (steel) Black Malleable Iron Locknuts - Fittings N' Valves
1/4" (steel) Black Malleable Iron Locknuts - Fittings N' Valves
1/2" Black Malleable Iron Locknuts - Fittings N' Valves
3/4" Black Malleable Iron Locknuts - Fittings N' Valves
3/8" Black Malleable Iron Locknuts - Fittings N' Valves
1-1/4" Black Malleable Iron Locknuts - Fittings N' Valves
1" Black Malleable Iron Locknuts - Fittings N' Valves
1-1/2" Black Malleable Iron Locknuts - Fittings N' Valves
2" Black Malleable Iron Locknuts - Fittings N' Valves
Domestic black iron locknuts thread onto pipe or nipple and tighten against a fitting or panel to hold an assembly firm.