Screwdriver insert for turning screws has endface of injected part sealed to cavity of second mold during manufacture

摘要

The screwdriver insert has a shaped tip (2) and a drive shaft (1). It is produced from metal powder with thermoplastic plastic as the binder in a multistage injection process and subsequent centering. The first part is formed in a first injection mould in a first position, and the second part in the second injection mould in the second position. The endface of the injected part is sealed to the cavity of the second mold during manufacture.