Self tapping bolt
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United States of America Patent
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Nov 28, 2006
Issued Date -
N/A
app pub date -
Dec 30, 2002
filing date -
Jan 31, 2002
priority date (Note) -
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Abstract
A self tapping bolt which fastens a mounting member and a receiving member while the bolt cuts internal threads on an inner surface of a tap drill hole prepared in the receiving member. The bolt includes at least one groove formed near an end of a threaded portion of the bolt and a blade for cutting the internal threads. The bolt includes the feature of the blade being formed only on a rear end surface of the groove relative to a rotational direction of the bolt which is screwed into the tap drill hole.
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