Hole saw having a drill bit with a pilot tip
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United States of America Patent
Stats
-
Jul 7, 2009
Grant Date -
May 10, 2007
app pub date -
Nov 7, 2005
filing date -
Nov 7, 2005
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A hole saw has an arbor and a cup shaped cutting member. The cup shaped cutting member has an annular skirt with a plurality of teeth at its free end. A drill bit is secured on the arbor. The drill bit includes a pilot point with a first cutting edge. A second edge is formed on the body portion of the drill bit to form a constant diameter hole in the workpiece.
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Cited Art Landscape
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