Drill bit insert

Details Drill bit insert Drill bit insert

E - Fixed Constructions

21

B

255/72

E21B 10/00 (2006.01) E21B 10/52 (2006.01) E21B 10/56 (2006.01)

Patent

CA 1092594

ABSTRACT OF THE DISCLOSURE A protruding insert for use in an oil well drill bit is disclosed which insert is made of a hard metal substance and utilizes a tangential spherical surface having opposed flattened sides.

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