A thin plate with a central hole, used to distribute the load on a threaded fastener like a screw or bolt.
Washers come in several different forms, generally A-G. This variation is Form A, which refers to: normal diameter, normal thickness.
Standards: DIN 125 A; ISO 7089; ASME B18.22.1
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A general purpose stainless steel which strikes a good balance between corrosion-resistance and cost.
Often referred to as 'marine grade' stainless steel due to it's excellent anti-corrosion properties, making it great for saltwater resistance.