Quick-lock nut with M14 thread and measuring 13.4 mm thick for one- and two-hand angle grinders with drive shaft lock and a diameter of 115 mm – 230 mm. The quick-lock nut replaces the regular lock nut and enables fast fixing and releasing of cutting discs, cup wheels and other angle grinder accessories. The underside is roughened and improves the grip of the quick-lock nut and the tool.