18-8 Stainless Steel Coupling Nuts
- A Coupling Nut is Used Where you Want to Fasten 2 Male Threads Together, Either to Increase Length or Fine Adjustments of the Fastener.
- Our Extention Nuts are Made From 18-8 Grade Stainless Steel.
- Hex Coupling Nuts Can be Driven With a Wrench, and are the Choice for Most Marine, Industrial, Construction and OEM Applications Where Corrosion Resistance is a Primary Factor.
- 18-8 Stainless Steel Includes 303 & 304 Grades.
- Standard IFI-128.