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About product and suppliers:
        Alibaba.com offers 65,380 bolts machines and products. About 5% of these are thread rolling machines, 3% are other metal & metallurgy machinery, and 1% are other food processing machinery. 

A wide variety of bolts machines and options are available to you, such as free samples, paid samples. 

There are 65,380 bolts machines and suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of bolts machines and respectively. 

Bolts machines and products are most popular in North America, Domestic Market, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 27,837 with ISO9001, 11,358 with Other, and 3,688 with ISO/TS16949 certification.