Nylon insert nuts are an economical means of combatting loosening from vibration.
A nylon neck situated at the top of the nut, is slightly narrower than the thread; as the nut is tightened, the nylon grips the corresponding thread.
Conforms to DIN 982.
Type P.
Class 8 steel.
Bright Zinc Plate (BZP) finish offers resistance to corrosion.