DIN 127-A zinc Spring washer (Grover)

DIN 127-A is a type of washer used to prevent self loosening of fasteners. Spring washer is one of the types of stainless steel washers. Other names that you may encounter in everyday life are grover washer and grover. 

Such washers come in two forms: form A and form B. A shape A washer is characterized by the fact that the ends of such a washer are curved (tilted down). Such washers have better adhesion to the surface, thereby counteracting self-screwing. They can also be used in environments with high vibrations or heavy loads.

Application: mechanical engineering, metal construction, solar energy, automotive industry.

Material: steel.

Plated: coating protects against corrosion if the fasteners are to be used in aggressive environments.