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About product and suppliers:
        Alibaba.com offers 38,254 core drill bit products. About 70% of these are drill bit, 11% are mining machinery parts, and 2% are tool parts. 

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

There are 38,049 core drill bit suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Japan, which supply 98%, 1%, and 1% of core drill bit respectively. 

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 12,671 with ISO9001, 4,705 with Other, and 1,911 with ISO14001 certification.