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About product and suppliers:
        Alibaba.com offers 3,813 1 thread adapter products. About 44% of these are pipe fittings, 1% are adapters. 

A wide variety of 1 thread adapter options are available to you, such as carbon steel, copper, and pp-r. You can also choose from coupling, nipple, and bushing. As well as from male, female, and welding. And whether 1 thread adapter is equal, or reducing. 

There are 3,845 1 thread adapter suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Turkey, which supply 98%, 1%, and 1% of 1 thread adapter respectively. 

 thread adapter products are most popular in North America, Domestic Market, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 1,313 with ISO9001, 196 with Other, and 118 with ISO14001 certification.