Drill bit having a plurality of teeth

Details Drill bit having a plurality of teeth Drill bit having a plurality of teeth

1996-01-11

1997-07-15

Tsay, Frank

Boring or penetrating the earth

Bit or bit element

Symmetrical forked rotary type

37460, E21B 1042, E02F 300

Patent

active

056474482

ABSTRACT:
A drill bit for placement on a trenchless drill, the drill bit having a substantially rectangular construction, opposed side edges, a front end edge angularly related to the side edges, and a back end edge opposite the front end edge, opposed faces, with the edges having holes located therein and a cutting tooth press punched into each of the holes to form interference fits between the cutting teeth and the drill bit, the drill bit further having mechanism for attachment of the drill bit to the trenchless drill.

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