Threaded bush for screw in bore, has collar at end of threaded bush and end of collar exhibits outgoing internal threads (3) and bush has external thread which is designed as thread forming thread

摘要

The threaded bush has a collar (1) to the end of the threaded bush. The end of the collar exhibits the outgoing internal threads (3). The bush has external threads (6) which are designed as thread forming thread. The internal threads are not completely reaching to the threaded end (4). Independent claims are included for following: (1) Method for forming a thread in a bore; and (2) Tool.