#2 Internal Tooth Lock Washer Zinc Yellow A325 and it is made of

and it is made of zinc-plated steel

It is also non-sparking

This 5/16-24 x 3 3/4 Hex Cap Screw Grade 5 Zinc is a high-quality fastener designed for secure and durable connections

5 x 80 DIN 6921 8

and are zinc and baked for corrosion resistance

#2 Internal Tooth Lock Washer Zinc Yellow A325 and it is made of#2 Internal Tooth Lock Washer Zinc Yellow is a type of washer used to prevent nuts and bolts from loosening due to vibration or movement. It is made of zinc plated steel and has a yellow chromate finish for corrosion resistance. The internal teeth of the washer bite into the surface of the bolt or nut, creating a secure hold. This type of washer is commonly used in automotive, industrial, and construction applications.