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Keywords: button bit
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Proceedings Papers

Paper presented at the The 22nd U.S. Symposium on Rock Mechanics (USRMS), June 29–July 2, 1981
Paper Number: ARMA-81-0219
... of the so-called "button bit" has an almost unlimited amount of freedom in the radius of curvature of the indentor (and more than one size can be used on a bit) the number of indentors, their placement on the bit face, and even their exposure or projection from the bit body, there exists very little...

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