Rock bit cutter construction

Details Rock bit cutter construction Rock bit cutter construction

E - Fixed Constructions

21

B

76/21, 255/74

E21B 10/08 (2006.01)

Patent

CA 1165757

ROCK BIT CUTTER CONSTRUCTION ABSTRACT OF THE INVENTION A conical cutter for a rolling cutter drill bit is disclosed wherein the cutter body is manufactured from a through-hardening grade of steel which has been heat treated to optimum hardness with a selectively surface hardened bearing area.

363871

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