Cutting Insert For A Roof Drill Bit

A hard cutting insert for use with a roof drill bit includes a first webbed notch and a second webbed notch structured and arranged on the hard insert for removing or evacuating drilling debris from an upper surface of the hard insert during a drilling operation. A roof drill bit incorporating the h...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: COLVIN SETH DANIEL, SWOPE CHAD ALLEN, BISE DOUGLAS EDWARD
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A hard cutting insert for use with a roof drill bit includes a first webbed notch and a second webbed notch structured and arranged on the hard insert for removing or evacuating drilling debris from an upper surface of the hard insert during a drilling operation. A roof drill bit incorporating the hard cutting insert is also provided.