Repair Washer BZP M12 x 40 x 10 Pack Flat Repair Washers have a large 40mm outside diameter.
They are bright Zinc Plated for increased corrosion resistance.

Washers provide a smooth surface for the nut or bolt to bear on, making it less likely to loosen as a result of an uneven fastening surface.
The main purpose of a washer is to distribute the load under a bolt head or the nut face.

APPLICATION:
On all manner of bolting applications.
Can be used with all types of bolts and nuts.