Drill Bit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Jun 11, 2009
app pub date -
Dec 5, 2007
filing date -
Dec 5, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A drill bit comprising a body including at least four flutes being formed on and extending along a longitudinal axis of the body and a web portion disposed between the at least four flutes. The flutes define a pitch length that is substantially the same as one another and the web portion has at least one web thickness. The ratio of the web thickness to the pitch length is within a range of about 14 to 25 percent.
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