GB/T 855-1988 Tab washers with long tab and wing is a fastener designed to provide additional anti-loosening function especially in case of vibration or heavy use.
Double-ear stop washers are versatile, especially in applications requiring high safety and stability. , for example, in the fields of machine building, automobile making, aerospace and so on
The washer is characterized by having two ears on each side which can be fitted with the head of the bolt or screw to increase the stability and safety of the connection.