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Wood screw with cutting teeth on threads and groove in shank

  • US 20070286701A1
  • Filed: 06/07/2006
  • Published: 12/13/2007
  • Est. Priority Date: 06/07/2006
  • Status: Abandoned Application
First Claim
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1. A wood screw comprising:

  • a head and a shank connected to the head, the shank including a screw-in portion which includes a tapered section and a tip point at a distal end of the tapered section, a groove defined longitudinally in the shank and two cutting edges being formed on two sides of the groove, a plurality of threads formed on an outer periphery of the shank including the screw-in portion, a plurality of cutting teeth formed on the threads on the screw-in portion, a plurality of ribs extending from an outer periphery of the shank and located between the threads.

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