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Selecting the Right Bit and Optimizing Performance for the Hard Rock Drilling Process

When it comes to hard rock, its Mohs scale of hardness should be higher than six. This typically includes kimberlite, granite, chert, quartz, and silicified rock. Before beginning, the drilling company should conduct a hardness test on the site, which is a fairly simple process. Generally, a scratch test is performed on the ground using […]