Flat Washer

A Flat washer is a thin plate (typically disk-shaped) with a hole (typically in the middle) that is normally used to distribute the load of a threaded fastener. High quality cap screws require hardened steel washers to prevent the loss of pre-load. These washers are also important for preventing galvanic corrosion, particularly by insulating steel screws from aluminum surfaces.

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Product Description

Coating   Black, Electro Galvanized, Hot Dip Galvanized, PTFE, Yellow
Grade   125, F436, F436M
Standard   DIN, ASTM in Metric and Imperial Size
Dia Range   M03 to M100 and 3/16” to 4”


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