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About product and suppliers:
        Alibaba.com offers 1,165 nut bolt screw making machines products. About 32% of these are thread rolling machines, 14% are other metal & metallurgy machinery, and 10% are bolts. 

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

There are 1,166 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 480 with ISO9001, 102 with Other, and 21 with ISO14001 certification.