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About product and suppliers:
        Alibaba.com offers 25,622 diamond core drill bit products. About 57% of these are drill bit, 11% are mining machinery parts, and 1% are abrasive tools. 

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

There are 25,622 diamond core drill bit suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of diamond core drill bit respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 9,135 with ISO9001, 3,092 with Other, and 1,384 with ISO14001 certification.