THREADED FASTENER
Various embodiments provide a fastener including a head, a shank connected to the head and having a tip, one or more helical thread formations extending outwardly from the shank, and wherein a bottom portion of the head includes a plurality of ribs that extend towards the tip of the shank and that a...
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Hauptverfasser: | , , , |
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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