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About product and suppliers:
        Alibaba.com offers 769 square flange nuts products. About 25% of these are nuts. 

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

There are 769 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, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 405 with ISO9001, 148 with ISO/TS16949, and 134 with Other certification.