Patent ID: 8480342
Filing Date: 2013-07-09
Classification: F16B

Abstract:
1. Screw, which comprises a self-tapping screw, with a screw head, a screw shaft having a longitudinal screw axis, a screw tip, a screw thread, as well as a cutting thread formed at a cutting thread pitch angle disposed in an opposite direction from a screw thread pitch angle of the screw thread relative to the screw axis, the cutting thread including a cutting edge which starts at a distance from a front end of the screw and only covers a tip portion of the screw; and in which the cutting thread includes a plurality of transverse portions extending between turns of the screw thread, the transverse portions of the cutting thread being spaced apart and spaced around at least one complete turn of the screw shaft, said transverse portions being interrupted at most by one turn of the screw thread.