Product Description
The drill adopts flat head or parabolic sharp-toothed cemented carbide column teeth, suitable for impact rotary drilling, requiring the dislocation and uniform distribution of sharp teeth on the end face of the drill is suitable for cutting brittle and hard materials, especially for cutting the converter steel slag and refractory lining. The drilling speed is fast. The 4 blade bodies on the outer circle of the drill are inlaid with 2 flat shaped cemented carbide column teeth. Under the high-speed rotation of the bit, it is easy to form holes, which ensures the center blind hole on the drilling diameter of the steel outlet of the converter and the water holes distributed around the bit body and the section, so as to cool the bit during the drilling process and achieve the effect of washing and discharging slag, which is suitable for the bit in the long-term high temperature environment
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