Screw

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

Patent

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Details

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

Patent

CA 2591642

A screw includes a shank, a first and second thread part extending helically on a circumference of the shank, and a second thread part extending helically on the circumference of the shank between the head and the first thread part. The first thread part includes a first flank facing the head and a second flank facing away from the head and intersecting the first flank at a ridge, wherein the first thread part comprises a plurality of blade sections and rectilinear chamfered sections disposed alternately along an outer edge of the first thread part.

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