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About product and suppliers:
        Alibaba.com offers 1,714 r38 button bit products. About 57% of these are mining machinery parts, 32% are drill bit. 

A wide variety of r38 button bit options are available to you, such as carbon steel, tungsten carbide, and carbide. You can also choose from drilling tool, drilling equipment. As well as from forging, casting. And whether r38 button bit is ore mining, well drilling, or coal mining. 

There are 1,714 r38 button bit suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of r38 button bit respectively. 

R38 button bit products are most popular in South America, Domestic Market, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 537 with ISO9001, 285 with Other, and 12 with ISO14001 certification.