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About product and suppliers:
        Alibaba.com offers 41,961 diamond drill bits products. About 58% of these are drill bit, 21% are mining machinery parts, and 3% are tool parts. 

A wide variety of diamond drill bits options are available to you, such as carbide, carbon steel, and high carbon steel. You can also choose from free samples, paid samples. 

There are 41,758 diamond drill bits suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Japan, and India, which supply 98%, 1%, and 1% of diamond drill bits respectively. 

Diamond drill bits products are most popular in North America, Domestic Market, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 14,303 with ISO9001, 5,302 with Other, and 1,614 with ISO14001 certification.