1.Hex Coupling Nut Description：

Hex Coupling Nut Customization is welcome, according to buyers’drawing or samples/Non-standard Nuts.The price, picture and product attributes are for reference only. Specific matter can be confirmed by a further communication. 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.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 is your main 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 advantage of our products?

All items are of Top Quality with best price. Direct wholesale price from Factory and 100%quality guaranteed .Large Selection with all sizes .

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.