Get a guided demo that shows common workflows and troubleshooting tips for the 8.5 inch roller cone drill bit. In this video, you'll see how Hejian Ruida Petroleum Materials Co., Ltd. leverages advanced production equipment and strict API standards to manufacture high-performance roller cone bits. Watch as we demonstrate the optimized contour design, tooth layout, and low torque features that make this tool adaptable for oil, gas, geothermal, and mining drilling applications.