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About product and suppliers:
        Alibaba.com offers 40,084 rock bit products. About 50% of these are mining machinery parts, 21% are drill bit, and 1% are other construction machinery. 

A wide variety of rock bit options are available to you, such as carbide, carbon steel, and high manganese steel. You can also choose from well drilling, ore mining, and coal mining. As well as from drilling tool, drilling equipment. And whether rock bit is api, or aisi. 

There are 39,504 rock bit suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and South Korea, which supply 99%, 1%, and 1% of rock bit respectively. 

Rock bit products are most popular in Mid East, Domestic Market, and North America. 

You can ensure product safety by selecting from certified suppliers, including 13,348 with ISO9001, 9,274 with Other, and 1,711 with ISO14001 certification.