Precision cemented carbide threading tap
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United States of America Patent
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Dec 12, 2006
Issued Date -
N/A
app pub date -
Feb 27, 2003
filing date -
Feb 27, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A precision cemented carbide threading tap is designed for use in precision tool holders in synchronous high speed tapping. The precision tap includes a fully cylindrical shank without the aid of squares, flats or other notches. The precision tap further includes a threaded body portion and a threaded cutting chamfer portion. The threaded body portion and the threaded cutting chamfer portion of the precision tap are concentric to the cylindrical shank of the tap within a runout of 10 microns. The precision cemented carbide threading tap improves the accuracy, life and speed by which internal screw threads are produced.
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