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...
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Format: | Patent |
Sprache: | eng |
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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. |
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