Cupped head pin for stud welding has shaft welded to head, which may be of same material as pin

摘要

The cupped head pin (1) has a shaft (2), one end of which is welded to a metal carrier. The disc-like head (4) is on the lower end or tip (3) of the shaft. The shaft is welded to the head. The shaft and the head may both be made of the same material, such as steel, aluminum or brass. The diameter of the shaft may be between 0.8 and 2.5 mm and the head may be of a thickness of 0.4 to 1.0 mm.