DRILL BIT

A drill bit including a body and a cutting head. The body includes a shank, an end surface, and a body flute. The shank is at a first end of the body. The end surface at the second end of the body opposite the shank. The body flute extends from the second end of the body toward the first end. The bo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Bumgarner, Ryan T, DuMez, Travis J
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A drill bit including a body and a cutting head. The body includes a shank, an end surface, and a body flute. The shank is at a first end of the body. The end surface at the second end of the body opposite the shank. The body flute extends from the second end of the body toward the first end. The body is configured to rotate about an axis extending through the shank and the end surface. The cutting head is attached to the end surface of the body. The cutting head is configured to drill a hole in the workpiece. A ratio of a cross-sectional area of the hole, measured perpendicular to the axis, to a cross-sectional area of the body through the body flute, measured perpendicular to the axis, is greater than 2.