Locknut with Polyamide Insert, self-locking , DIN 981 , DIN 1804

Locknut with Polyamide Insert, self-locking , DIN 981 , DIN 1804

https://www.maedler.de/product/1643/7238/13882/83/nutmuttern-guk-mit-klemmteil-aus-polyamid-selbstsichernd-edelstahl

https://maedlernorthamerica.com/partshop/locknut-guk-1-m12-x-1-stainless-steel-1-4301-aisi304-with-polyamid-insert-pn-65299403/