Patent ID: 7892235

Claim:
A drill bit comprising; a shaft and a pyramidal shaped end defining a drill point; at least one face on said pyramidal end that at least in part defines the drill point, the at least one face generally subtending an acute angle with a longitudinal axis of the shaft; and at least one flute disposed substantially along the shaft and extending away from said pyramidal end, said at least one flute aligned with said at least one face for directing away debris produced during drilling, said at least one flute intersecting with said at least one face, such that, in end view, the flute is offset from a center line of the face, and wherein the flute intersects the face in a non-abrupt manner defining a continuous curved surface at the flute-face intersection, said curved surface leading from the face into the flute whereby channeling of debris into the flute is enhanced, wherein the at least one flute extends generally spirally away from its respective face and substantially along the shaft.