Note: Similar to ISO 7040 | DIN standard has been withdrawn | modified nut height and wrench width
The hexagon nuts are self-locking nuts with special metal insert. A metal clamping part is fixed in the inner groove. The metal insert has a reliable clamping effect on the full circumference of the thread when attached. It is firmly integrated and cannot be accidentally forgotten. The hexagonal nut can be used multiple times.
advantages: • Reusable • Reliable securing by clamping action of the metal insert