processo para a produÇço de uma porca, macho de abrir roscas para execuÇço do processo e porcas produzidas por esse processo.

摘要

A nut having a clamping area and a drive area with a bore passing therethrough, the bore having a cylindrical internal threaded section that extends at least partially across the drive area and a conical internal threaded section that extends at least partially across the clamping area. The clamping area is embodied as a core with an outer circumference limited by a conical or tapered lateral area, the tip of which faces away from the drive area.