Welding stud and method for fastening a component with such a welding stud

摘要

The invention relates to a weld thread stud (1) with a head (2), the head (2) having a recess (3) for transmitting a torque and a first welding surface (4.1), and with a shaft (2) extending from the head (2). 5), the shaft (5) being provided with an external thread (6) at least along a section. The weld thread stud according to the invention is characterized in that the shaft (5) has a first, second and third section (7.1, 7.2, 7.3), the first section (7.1) forming a second welding surface (4.2) on its outer surface, the shaft ( 5) is provided with the external thread (6) along at least a part of the second section /7.2) and the third section (7.3) forms a drill (8). The invention also relates to a method for fastening a component (9) to a sheet metal (10) with the aid of a welded threaded bolt (1).