A coupling nut, also known as extension nut, is a threaded fastener for signing up for two male threads, most generally a threaded rod, but also pipes.

The outside of the fastener is typically a hex so a wrench can hold it. Variations include lowering coupling nuts, for signing up for two distinct dimensions threads sight gap coupling nuts, which have a sight hole for observing the quantity of engagement and coupling nuts with remaining-handed threads.

These are used to make up extended rod assemblies from shorter lengths of rods. The rods are threaded into the coupling nut for a specified length. 
Coupling nuts can be employed to tighten a rod assembly inward or to press a rod assembly outward.

Our organization plant make many kinds and sorts of cold heading hexagon nuts,
internationalstandards:in Germany ,Usa,JAPANESE,ENGLAND and so on specifications.
diameter Dimensions :from M6,M8, to M24,M30……M48.

varieties :of connection hexagon nuts,castle hexagon nuts,flange nuts,nylon insert,electroplate zinc,
vibrant zinc plate and blue zinc plate,carbuzing black cafts,Also can do warmth dip galvanzing crafts also.

DIN934,DIN935,DIN6330,DIN6334,DIN985,DIN6926…..
hardness quality:Course from class four.8 ,class6,class eight.class ten,class 12.9 
6.uncooked materials: forty five# and 64CrMO carbon steelalso so stainless metal material screw meantime.

generating crafts: colding head and solid for big dimensions with substantial hardness quality

Package deal : plastic woven baggage or cartons ,then poly-wood pallets.

producing drafts: cold heading and forging two crafts .
meantime can settle for drawings and sample JCPTeried produce creating works for nuts 
shipping time : 20 dyas for a container

Product Screen:

Product Making

Requirements:

We have numerous several years export srew knowledge and export to many countries and districts.Delivery
to several ports:HangJCPT,ZheJiang ,HangJCPT,TIanjin ports.

We are a global trading firm. Our products sell properly in Czech, Lithuania, Georgia, Australia, the Middle East, Africa and other areas, nations around the world, and JCPTers in numerous international locations and areas

have formed a trade partnership. The JCPTers who have labored with us concur with our goods really considerably, and  concur with our services extremely considerably. We also have a expert R & D group.

Welcome the international JCPTers and buddies enquiry and cooperate to us.
we will supply the aggressive price tag and ideal quality nuts in alrge amount.