Material: The hexagon nut is made of rust-resistant A2 stainless steel in accordance with DIN 6923. Self-locking: Flange nuts with locking or ribbed teeth and a hex drive, for a snap-fit connection by snapping the teeth into the material. Reusable: This type of nuts with flange is reusable. The metric test thread allows the use of all standard screws. Versatile: Our stainless steel hex nuts can be used on the construction of cars, motorcycles and machinery or furniture. Stable and not rusty All weather: Suitable for all seasons and all weather