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About product and suppliers:
        Alibaba.com offers 910 cast iron wing nuts products. About 39% of these are formwork, 21% are nuts. 

A wide variety of cast iron wing nuts options are available to you, such as free samples, paid samples. 

There are 910 cast iron wing nuts suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of cast iron wing nuts respectively. 

Cast iron wing nuts products are most popular in Western Europe, Southeast Asia, and North America. 

You can ensure product safety by selecting from certified suppliers, including 346 with ISO9001, 61 with ISO/TS16949, and 35 with Other certification.