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About product and suppliers:
        Alibaba.com offers 39,376 rock bit products. About 51% of these are mining machinery parts, 24% are drill bit, and 1% are milling cutter. 

A wide variety of rock bit options are available to you, such as carbide, carbon steel, and tungsten carbide. 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 forging, or casting. 

There are 38,796 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, North America, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 12,970 with ISO9001, 9,559 with Other, and 1,549 with ISO14001 certification.