Tool for the case of thread rolling of a thread-forming screw, a method for producing a hole-forming and / or thread-forming screw, as well as a thread-forming and / or hole-forming screw

摘要

The invention relates to a tool for the case of thread rolling, a method for the case of thread rolling, as well as blanks and screws, which have been produced by the process according to the invention described. With the method according to the invention it is possible, thread-forming screws with improved properties of use inexpensive to produce.n="32"