1.Hex Coupling Nuts Hot Sale with High Quality and Low Factory Price Description:

A coupling nut also known as extension nut is a threaded fastener for joining two male threads, most commonlythreaded rod.The outside of the fastener is usually a hex so a wrench can hold it. Variations include reducing coupling nuts, for joining two different size threads; sight hole coupling nuts, which have a sight hole for observing the amount of engagement; and coupling nuts with left-handed threads. These are used to make up long rod assemblies from shorter lengths of rods. The rods are threaded into the coupling nut for a certain distance. Coupling nut dimensions are described by the industrial fastener institute in standard IFI-128. It is given a plain finish. It is either cold drawn or hot rolled depending on the bar stock used. Coupling nuts threaded with two different thread sizes and profiles are called reducing coupling nuts.

2.Main Features of Hex Coupling Nuts：

1.ISO ROHS 
2.Size:M3-M36 
3.surfacet:zp.hdg,black.oxide 
4.standard:Din,ISO,JIS& ANSI

3. Hex Coupling Nuts Images

4. Hex Coupling Nuts Specification

5.FAQ

We have organized several common questions for our clients，may help you sincerely：

1.What’s your products ？

One of the most biggest manufacturer & supplier of Nuts，is a large-scale professional Hex coupling Nuts factory in China. Annually more than 10000 tons Nuts are exported to markets all over the world. Different kinds of Nuts are available according to customer’s requirements.

2.What is serive of our company?

1).Be promptly to reply each inquiry within 5 hours;

2).Quality controlled in the factory from sample to mass production

3).Keep on service until the goods arrive to customers;

4).Various payment methods acceptable: Alipaid,Paypal,Western UnionPersonal account,Company account 

5).You can contact me anytime (MSN,Skype,E-mail,Telephone,fax) while you have question and demands.

3.How long can we receive the product after purchase?

In the purchase of Hex coupling Nuts within three working days, We will arrange the factory delivery as soon as possible. The pacific time of receiving is related to the state and position of customers. Commonly 15 to 20 working days can be served