Thread-forming screw

Details Thread-forming screw Thread-forming screw

F - Mech Eng,Light,Heat,Weapons

16

B

F16B 25/10 (2006.01) F16B 25/02 (2006.01) F16B 33/02 (2006.01)

Patent

CA 2518377

A thread-forming screw (11; 21; 31; 51), has a stem (12) with at least one thread (14; 24; 34; 54) arranged, at least regionwise, over its circumference, and a plurality of cutting elements (16; 26; 36; 56) arranged in a respective plurality of recesses (15; 25; 35; 55) formed in the at least one thread (14; 24; 34; 54), with the cutting elements (16; 26; 36; 56) having a hardness greater than a hardness of the at least one thread (14; 24; 34; 54) and formed as weld beads received in the recesses (15; 25; 35; 55).

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