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About product and suppliers:
        Alibaba.com offers 979 nut bolt screw making machines products. About 31% of these are thread rolling machines, 16% are other metal & metallurgy machinery, and 13% are metal forging machinery. 

A wide variety of nut bolt screw making machines options are available to you, such as free samples. 

There are 980 nut bolt screw making machines suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 98%, 1%, and 1% of nut bolt screw making machines respectively. 

Nut bolt screw making machines products are most popular in Mid East, Southeast Asia, and North America. 

You can ensure product safety by selecting from certified suppliers, including 454 with ISO9001, 92 with Other, and 24 with ISO14001 certification.