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Roof bolt drill bit is a kind of basic drilling tool for fixing and supporting anchor bolt of coal mine. The body of the PDC rock bolt is made of 45# high-quality carbon steel, and is inserted into the cutting edge with a diamond composite sheet, which is welded individually. The diamond composite sheet is a special superhard material composed of diamond powder and cemented carbide under high temperature and high pressure. It is used as the cutting tooth of the rock bolt bit, which not only has the high strength and high wear resistance of diamond, but also has the hardness The high impact resistance of the alloy makes it an ideal drill bit for drilling into medium-hard rock layers in anchor mesh support. We can supply standard size PDC anchor bit and also customized roof bolt bit, if you are interested in any of our products, please feel free to contact us by Lucy@tydrillbits.com.
