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About product and suppliers:
        Alibaba.com offers 7,382 hex bolt machinery products. About 58% of these are bolts, 1% are other metal & metallurgy machinery, and 1% are thread rolling machines. 

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

There are 7,382 hex bolt machinery suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of hex bolt machinery respectively. 

Hex bolt machinery products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 3,597 with ISO9001, 858 with ISO/TS16949, and 761 with Other certification.