Tap
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United States of America Patent
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Issued Date -
Sep 19, 2024
app pub date -
Apr 25, 2024
filing date -
Dec 2, 2021
priority date (Note) -
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Abstract
A tap including an incomplete thread having a plurality of thread ridges that threads a workpiece, a complete thread including a cutting edge formed continuously from the incomplete thread, and a groove part that is disposed in each of the incomplete thread and the complete thread to discharge chips of the workpiece, wherein relationships respectively expressed by Equation (1): D1≥D0−P and Equation (2): h≤P/2 are simultaneously satisfied in a relationship among a nominal diameter D0 of the tap 100, a root diameter D1, a pitch P, and a thread ridge height h.
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