Twist drill point splitting/web thinning apparatus
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United States of America Patent
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-
Dec 4, 1984
Grant Date -
N/A
app pub date -
Sep 9, 1982
filing date -
Sep 9, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fluted twist drill point splitting/web thinning apparatus is disclosed which permits simple point splitting/web thinning of conventional sharpened twist drills. The apparatus is uniquely designed such that either of the two operations, that is point splitting or web thinning, can be simply and accurately carried out with the same assembly. The apparatus also includes the provisions of a grinding wheel dressing diamond mounted on a forward face of the apparatus.
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