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About product and suppliers:
        Alibaba.com offers 2,179 insert coupling products. About 50% of these are pipe fittings, 7% are shaft couplings. 

A wide variety of insert coupling options are available to you, such as aluminium, steel, and stainless steel. You can also choose from jaw / spider, oldham, and universal. As well as from standard, nonstandard. And whether insert coupling is free samples. 

There are 2,179 insert coupling suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of insert coupling respectively. 

Insert coupling products are most popular in North America, Southern Europe, and Northern Europe. 

You can ensure product safety by selecting from certified suppliers, including 1,101 with ISO9001, 535 with Other, and 498 with ISO14001 certification.