- Standard: DIN9021 Large Diameter
- Steel: Grade 4.6 (Mild)
- Finish: Zinc & Clear
- Outer diameter: 30mm
- Inner diameter: 6.2mm
- Thickness: 1.25mm
Repair washers, often called Penny washers, have a large outside diameter, larger than the usual diameter found in traditional flat washers.
This flat washer hosts a flat ring which is used to spread the load of a screwed fastening and prevent damage.