Product Description
M8 zinc-plated steel flat penny repair washers, available with 25mm, 30mm, 38mm and 50mm external diameters.
These large-diameter flat washers provide a considerably wider bearing surface than conventional M8 flat washers. They help distribute clamping loads across a larger area and are useful for securing thin sheet materials, reinforcing mounting points and covering enlarged, worn or damaged holes.
- Nominal fastener size: M8
- Internal diameter: Suitable for M8 metric fasteners
- Available external diameters: 25mm, 30mm, 38mm and 50mm
- Thickness: Approximately 1.5mm
- Material: Steel
- Finish: Zinc plated
- Washer style: Flat penny repair washer
- Manufacturing standard: No DIN number stated
- Alternative names: Repair washer, penny washer, mudguard washer, fender washer and large-diameter flat washer
- Pack sizes available: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 50, 100, 250, 500 and 1000
M8 penny repair washers are commonly used for automotive bodywork, panels, brackets, electrical equipment, appliances, roofing, cladding, fabrication, machinery, agricultural equipment, trailers and general repair work.
The enlarged external diameter spreads the load from an M8 bolt, screw or nut over a wider area than a standard flat washer. This can help reduce localised pressure and lower the risk of a fastener pulling through thin, soft or weakened material.
The 25mm external-diameter washer provides a relatively compact enlarged bearing surface. The 30mm, 38mm and 50mm options provide progressively greater coverage where additional load spreading or coverage of a worn or enlarged mounting hole is required.
The oversized washer design can also bridge mounting holes that have become distorted or damaged, making these washers suitable for repair and reinforcement applications.
The zinc-plated finish provides a degree of corrosion protection for general indoor use and sheltered outdoor applications. It is not normally recommended for prolonged exposure to marine, coastal or highly corrosive conditions, where stainless steel or a more suitable protective finish may be preferable.
Use with a compatible M8 fastener where the washer hole and manufacturing tolerance provide suitable clearance. The washer should sit flat against the mating surface and be adequately supported across its full bearing area.
| A | B | C |
| 8mm | 25mm | 1.5mm |
| 8mm | 30mm | 1.5mm |
| 8mm | 38mm | 1.5mm |
| 8mm | 50mm | 1.5mm |
Please Note: Specifications given are intended as a guide only. If critical to your project please check with us first.
