Coupling Nut

Coupling Nut can be used to make all types of hex coupling. Round coupling and reducing nuts, can be installed with sleeve anchors, wedge anchors and all thread rod, etc.
Our Coupling Nut are all made in China, you can rest assured to buy products from our factory. Siyi Fastener is one of professional the Coupling Nut manufacturers and suppliers in China. You can buy them with the cheap price from our factory. We specialize in wholesale customized products, and can provide you with free sample. Welcome to consult the price.