Screw for use on hard materials

Details Screw for use on hard materials Screw for use on hard materials

F - Mech Eng,Light,Heat,Weapons

16

B

F16B 25/00 (2006.01) F16B 33/02 (2006.01)

Patent

CA 2505246

A screw for hard masonry of concrete, comprises a thread made up of a series of teeth (7), offset perpendicular to the thread axis and adjacent to each other. The thread has a sawtooth contour.

Vis pour de la maçonnerie dure ou pour du béton, qui possède un filetage constitué par une suite de dents (7) individuelles adjacentes décalées par rapport au sens longitudinal du filetage. Le filetage possède un profil en dents de scie.

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