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About product and suppliers:
        Alibaba.com offers 25,171 diamond core drill bit products. About 75% of these are drill bit, 11% are mining machinery parts, and 3% are tool parts. 

A wide variety of diamond core drill bit options are available to you, such as power tool parts, construction tool parts. You can also choose from carbon steel, high manganese steel, and high carbon steel. As well as from free samples, paid samples. 

There are 25,038 diamond core drill bit suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Japan, and India, which supply 98%, 1%, and 1% of diamond core drill bit respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 9,659 with ISO9001, 2,767 with Other, and 1,054 with ISO14001 certification.