| 摘要 |
A fastener member having a base flange, a central perpendicular sleeve with internal threads for reception of a threaded fastening, fastening teeth struckout of such base flange for reception in a wooden work piece, the base flange having a forward feed edge and a rearward feed edge, and side feed edges, and abutment means in the base flange adjacent the feed edges and spaced apart from the fastening teeth, adapted to inter-engage with one another to prevent such feed edges from overriding one another in a feed track.
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