- SizeM10 to M30
- STANDARDSDIN 6334
- GRADES5,6, 8,10 etc.
- COATINGBlack, HDG, Zinc Plated etc
- Supply TypeManufacturer, Supplier
- Preferred Buyer Location India only
Coupler Nut also known as extension nut is a threaded fastener for joining two male threads, most commonly a threaded rod but also pipes. The outside of fastener is the hex usually so a wrench can hold it. APPLICATIONS The most common uses for coupling nuts include tightening rod assemblies or to pushing a completed rod assembly outward.