Masonry drill bit and method of making a masonry drill bit

Details Masonry drill bit and method of making a masonry drill bit Masonry drill bit and method of making a masonry drill bit

1995-10-19

1997-05-20

Dang, Hoang C.

Boring or penetrating the earth

Bit or bit element

Impact or percussion type

761086, 175435, E21B 1044, E21B 1058

Patent

active

056304781

ABSTRACT:
A masonry drill and method of manufacture is disclosed. The drill has an elongated axial body with at least one discharge groove and a transverse slot located at one end with a hardened drill bit insert brazed within the slot. The hardened insert has projections extending outward from flat planar surfaces which hold the insert in proper orientation within the axial drill body so that it may be brazed into place subsequent to insertion into the drill body.

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