Throop Rock Bit's R4 model is specifically designed for reverse circulation mineral exploration. It features an enlarged center hole to facilitate the removal of materials being drilled. A step design is included on the shoulder to fit existing drill systems and extra machining on the sides to allow material to pass through to the central hole without plugging or clogging. Featured in a wide variety of chisel, conical and dome inserts.
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Center hole with the maximum diameter for hole cleaning and rapid cuttings removal for faster ROP
Hard-faced shirttail protection with tungsten carbide inserts for extreme wear resistance
Tungsten carbide gauge protection provides
Enhanced robust cutting structures for consistently high ROP
Advanced bearing design with enhanced thrust faces for maximum bearing life
Premium synthetic rock bit lubricant
Precision thrust and nose bushings
Available in TCI and Milltooth
Sealed and open bearing options
Suitable for mineral exploration, water well drilling, HDD, pilot holes, and construction applications
Compatible with reverse and conventional drilling systems