Alibaba.com offers 133 coupling of products. About 80% of these are pipe fittings, 12% are shaft couplings. A wide variety of coupling of options are available to you, such as iron, plastic. You can also choose from casting, forged. As well as from female, male. And whether coupling of is reducing, or equal. There are 133 coupling of suppliers, mainly located in Middle East. The top supplying country is Saudi Arabia, which supply 100% of coupling of respectively. Coupling of products are most popular in Mid East, Africa, and South America.