Screw fastener in metal connector to wood structure shear...

F - Mech Eng,Light,Heat,Weapons – 16 – B

Patent

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F16B 35/04 (2006.01) F16B 25/00 (2006.01) F16B 25/10 (2006.01)

Patent

CA 2216836

A wood screw for holding a wood structural member to another member such as a sheet metal member a heavy metal member or another wood member wherein the screw includes a shank having a threaded portion and an unthreaded portion. A knurled means is provided on the shank between the threaded and the unthreaded portion for forming an annular zone of mashed and severed, as well as unsevered, wood fibers for preventing wood splitting and laterally holding the screw to the wood structural member in a tight fit.

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