Roller bit core barrel are used to cut an annular ring in rock or concrete or reinforced concrete.Drilling with the method of rolling and squeezing can increases the anti-wear ability of the barrel.
The most important advantage of a core barrel is that it assists to concentrate the torque and crowd force on a small ring of cutting teeth.
DrillMore's the roller bit core barrel uses high carbon steel and a special bit Angle to maintain drilling strength and efficiency.
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