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About product and suppliers:
        Alibaba.com offers 7,458 hex bolt machinery products. About 57% of these are bolts, 1% are thread rolling machines, and 1% are other metal & metallurgy machinery. 

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

There are 7,458 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, South America, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 3,794 with ISO9001, 896 with ISO/TS16949, and 817 with Other certification.