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About product and suppliers:
        Alibaba.com offers 15,131 copper machine screw products. About 19% of these are screws, 5% are wood router, and 1% are filling machines. 

A wide variety of copper machine screw options are available to you, such as free samples, paid samples. 

There are 15,149 copper machine screw suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 97%, 2%, and 1% of copper machine screw respectively. 

Copper machine screw products are most popular in North America, Domestic Market, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 9,136 with ISO9001, 2,501 with Other, and 1,139 with ISO14001 certification.