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About product and suppliers:
        Alibaba.com offers 25,292 core drill bits products. About 70% of these are drill bit. 

A wide variety of core drill bits options are available to you, such as diamond, high carbon steel, and tungsten carbide. You can also choose from masonry drilling, metal drilling, and wood drilling. As well as from free samples, paid samples. 

There are 25,099 core drill bits suppliers, mainly located in Asia. The top supplying countries are China (Mainland), United Arab Emirates, and Japan, which supply 99%, 1%, and 1% of core drill bits respectively. 

Core drill bits products are most popular in North America, South America, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 8,397 with ISO9001, 2,503 with Other, and 1,612 with ISO14001 certification.