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About product and suppliers:
        Alibaba.com offers 46,160 carbon steel machine screw products. About 20% of these are screws, 1% are drywall screws, and 1% are self-drilling screws. 

A wide variety of carbon steel machine screw options are available to you, such as capping machine, filling machine, and multi-function packaging machine. You can also choose from free samples, paid samples. 

There are 46,160 carbon steel machine screw suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of carbon steel machine screw respectively. 

Carbon steel machine screw products are most popular in Domestic Market, North America, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 26,197 with ISO9001, 8,651 with Other, and 2,620 with ISO14001 certification.