The Quick-Clamping Nut M14 is a quick-release nut for toolfree easy and fast fastening and loosening of a wide range of angle grinder accessories, cutting and grinding discs. The disc must be centred at the supporting flange and not at the nut. It is appropriate for use with AdvancedGrind 18, GWS 18V-10 C, GWS 18V-10 SC.