Self-locking Nut it is a nut used in connection elements that are constantly under the influence of dynamic loads, and especially vibration, which can cause untwisting. Contouring in DIN 982 is due to the nylon ring, in which the thread is cut when twisting.
Scope DIN 982 is used in mechanical engineering, construction, warehousing equipment, lifting equipment, agricultural machinery, tools, etc.
Material Stainless Steel. Strength class A4-80 allows the use of bolts at significant temperature differences and in aggressive and humid environments.
No coating.
Popular name Lock nut