Coupling Nuts are used to make up long tie rod assemblie from shorter lengths of rod or to assembly of two fasteners or fittings which both have external threads. Coupling nut dimensions are described by the DIN6334
Shape ：hexgaon
Surface：zinc plated ,selfcolor, Brass ,Stainless Steel
Original：China
Size：M6,M8,M10,M12,M14.M16,M20-M30
Standard:DIN6334
Coupling nuts are used to join threaded rods together to create an extended length. They have internal threads on both ends that connect two male fasteners.
