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About product and suppliers:
        Alibaba.com offers 2,941 bolt screw making machine products. About 35% of these are thread rolling machines, 21% are other metal & metallurgy machinery, and 2% are plastic extruders. 

A wide variety of bolt screw making machine options are available to you, such as straightener & cutter, filling machine, and induction furnace. You can also choose from pipe, sheet, and granules. As well as from single-screw, double-screw. And whether bolt screw making machine is pvc, abs, or pe. 

There are 2,948 bolt screw making machine suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 99%, 1%, and 1% of bolt screw making machine respectively. 

Bolt screw making machine products are most popular in Mid East, Southeast Asia, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 1,254 with ISO9001, 239 with Other, and 48 with ISO14001 certification.