The fischer channel nut FCN is a connector for securing various attachment parts in the fischer mounting channel profiles FUS. The defined teeth of the channel nut provides a secure hold in the channel. fischer offers the FCN in the sizes M6, M8, M10 and M12. The galvanised zinc design is suitable for installations in buildings and the hot-dip galvanised and stainless steel designs are suitable for installations outside and in highly corrosive environments.