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About product and suppliers:
        Alibaba.com offers 34,710 diamond core drill products. About 43% of these are drill bit, 14% are mine drilling rig, and 5% are electric drill. 

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

There are 34,486 diamond core drill 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 respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 13,604 with ISO9001, 4,357 with Other, and 1,409 with OHSAS18001 certification.