Patent ID: 7484920

Claim:
A thread-forming screw ( 11 ; 21 ; 31 ; 51 ) comprising a stem ( 12 ); at least one thread ( 14 ; 24 ; 34 ; 54 ) arranged, at least regionwise, over a circumference of the stem ( 12 ); 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 ), 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 being formed as weld beads formed in the recesses ( 15 ; 25 ; 35 ; 55 ) of a filler material.