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About product and suppliers:
        Alibaba.com offers 61,937 copper screw products. About 13% of these are screws, 1% are drill bit, and 1% are shafts. 

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

There are 61,937 copper screw suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of copper screw respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 29,375 with ISO9001, 8,468 with ISO14001, and 5,370 with Other certification.