Cross bit series is flake series of bits, the main varieties in the world, as well as the drill bit diameter, the scope of D32 - D65mm adaptable for drilling conditions, almost without being limited by the drilling machine and the properties of the rock mass.Many countries, such as Sweden, Canada and other countries in mining engineering, generally USES the cross and the ball tooth drill head, instead of using one word drill bit.
My company at the drill bit process in integrated on the basis of absorbing foreign experience, combined with the present situation of our material and drilling tools manufacturing process technology, the geometric structure and parameters, material, manufacturing process, the use of technology and so on four aspects, used the new design, reaching the highest level of domestic, and tianshui, shenyang pneumatic rock drill, suitable for coal, iron ore, gold, copper, lead-zinc mine, such as mining, railway, tunnel, railway and highway engineering construction, etc.