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About product and suppliers:
        Alibaba.com offers 4,303 copper bit products. About 25% of these are drill bit, 15% are milling cutter, and 2% are mining machinery parts. 

A wide variety of copper bit options are available to you, such as screwdriver set, core drill bit, and twist drill bit. You can also choose from tungsten carbide, diamond, and high speed steel. As well as from masonry drilling, metal drilling, and well drilling. And whether copper bit is drilling tool, or drilling equipment. 

There are 4,303 copper bit suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of copper bit respectively. 

Copper bit products are most popular in North America, Domestic Market, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 2,078 with ISO9001, 403 with Other, and 128 with BSCI certification.
        
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