Tricone Rock Roller Bits - MGS
2019-7-5 · Tricone Rock Roller Bits First developed for high production open hole drilling in the USA oilfields around 1866 and developed into a 3-cone design in 1931. Tricone drill bits are used for almost any type on non-coring drilling. They come in several different varieties and can deal with a wide range of different rock formations.
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