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About product and suppliers:
        Alibaba.com offers 3,206 round hex nut products. About 31% of these are nuts, 1% are cashew nuts. 

A wide variety of round hex nut options are available to you, such as free samples, paid samples. 

There are 3,206 round hex nut suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of round hex nut respectively. 

Round hex nut products are most popular in North America, Domestic Market, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 1,457 with ISO9001, 330 with ISO14001, and 217 with ISO/TS16949 certification.