feature

• Sizes range from #6 to 1-1/2” from M4 to M36、up to 130mm length Designed to join two externally threaded objects usually threaded rod together. Coupling nuts are used in joining threaded rods or where a threaded fitting is used with threaded rod in suspension applications. • Material: Carbon Steel、Alloy Steel、Stainless Steel、Aluminum、Copper • Grades: 258 • Property Class: 4 5 6 8 10 • Finish: Zinc plating、Zn-Ni plating、HDG、Xylan、Geomet、Magni、 Copper plating、Nickel plating in any type of coating • Ability to oversize thread for galvanized applications