6 - 20 mm

Material quality: 8.

DIN: 980

Surface treatment: zinc plated

Self-closing nut with metal insert based on DIN 980. The main use of market of the self-closing nut is the machine production where vibrations may loose other nuts, but the self-closing nuts ensure against turning. We offer the self-closing nuts (DIN 980) in a material quality 8., with galvanised surface. It is also known as inserted nut or self-closing nut