Hexagon Slotted Castle Nuts (also called crown nuts).
ISO 7035 is an international technical standard that specifies the requirements for . These specialized fasteners are designed to provide a positive mechanical lock, preventing unintended rotation or loosening caused by vibration and dynamic loads. Overview of ISO 7035 iso 7035 pdf
Once tightened, a cotter pin (or split pin) is inserted through the nut's slots and the bolt's hole. Hexagon Slotted Castle Nuts (also called crown nuts)
Typically available in Product Grades A and B. Design and Locking Mechanism iso 7035 pdf