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About product and suppliers:
        Alibaba.com offers 710 square flange nuts products. About 39% of these are nuts. 

A wide variety of square flange nuts options are available to you, such as free samples. 

There are 710 square flange nuts suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of square flange nuts respectively. 

Square flange nuts products are most popular in North America, Domestic Market, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 400 with ISO9001, 187 with ISO14001, and 124 with Other certification.