National Hardware N182-675 Threaded Rod Coupler 5/16 Inch 18 TPI Zinc Plated Steel
- Buy 40 for $2.30 each and save 32%
- Hexagonal shape allows wrench or other tool to tighten or loosen product
Threaded rod coupling nuts zinc plated steel - coarse boxed bulk size ins. Thread=5/16-18 Used for joining threaded rods.