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Penny Repair Washers – Zinc Plated Steel

Available Sizes: M5 • M6 • M8 • M10 • M12
Pack Quantities: Choose from the variation menu
Material: Zinc Plated Steel
Thickness: 1.5 mm

Large Outside Diameter Washers for Stronger, More Secure Fixings

Our Penny Repair Washers are manufactured from high-quality zinc plated steel and feature a large outside diameter designed to spread the clamping force over a wider surface area. This helps reduce the risk of pull-through and provides a stronger, more secure fixing when working with timber, sheet metal, plastic and other materials.

Also commonly known as Repair Washers or Mudguard Washers, these washers are suitable for professional tradespeople, workshops and DIY projects. Available in multiple metric sizes and pack quantities.

Key Features

Zinc Plated Steel
Large Outside Diameter (Large OD)
Flat Washer Design
1.5 mm Thickness
Excellent Load Distribution
Corrosion Resistant
Multiple Metric Sizes Available
Suitable for DIY & Trade
Professional Quality
Strong & Durable Construction

Typical Uses

Reinforcing oversized holes
Repairing damaged fixing points
Preventing bolt pull-through
Increasing clamping surface area
Timber construction
Sheet metal fabrication
Plastic panel fixing
Automotive mudguard repairs
Agricultural equipment
General maintenance and repairs

Applications

Hex Bolts
Coach Bolts
Machine Screws
Set Screws
Threaded Rod

Suitable for:

Timber
Sheet Metal
Plastic
Composite Materials

Technical Specifications

Product Type: Penny Repair Washer
Also Known As: Penny Washer / Repair Washer / Mudguard Washer
Material: Steel
Finish: Zinc Plated
Shape: Flat Washer
Outside Diameter: Large OD
Thickness: 1.5 mm
Sizes: M5 – M12
Pack Quantity: Select from variation menu

Choosing the Correct Size

Select the washer size that matches the diameter of your bolt or screw. The large outside diameter helps distribute the clamping force over a wider surface area, making these washers ideal for repairing oversized holes, preventing pull-through and reinforcing fixing points.

Why Choose Rob's Fasteners?

Quality Fasteners
Fast UK Dispatch
Multiple Pack Sizes
Trusted by DIY & Trade
Excellent Customer Support

Shipping

FREE UK shipping on all orders.

Orders with cleared payment by 2 p.m. (Monday–Friday) are dispatched same day.

We guarantee to dispatch all orders within 24 hours of cleared payment.

Orders placed on weekends or public holidays will be dispatched the next working day.

Delivery Method:

Items up to 750 g are sent via Royal Mail 48 (Please note: We reserve the right to use a different courier depending on parcel size).

Items over 750 g will be dispatched using a courier of our choice.

Returns

We hope you're happy with your purchase!

However, if you need to return it, we offer a 30-day return policy.

Your satisfaction is our top priority.

If you're not completely satisfied with your purchase, please don’t hesitate to contact us.

We’ll do our best to resolve any issues promptly.

FAQ

Q1. What are Penny Repair Washers used for?

A: Penny Repair Washers are designed to spread the clamping force over a larger surface area, helping to prevent pull-through in timber, sheet metal, plastic and other materials.

Q2. Are these DIN 9021 washers?

A: No. These are Penny Repair Washers, also commonly known as Repair Washers or Mudguard Washers. While they have a large outside diameter similar to some DIN 9021 washers, they are sold and identified as Penny Repair Washers.

Q3. What materials can these washers be used with?

A: They are suitable for timber, plywood, MDF, sheet metal, plastic, composite materials and many general repair applications.

Q4. What is the benefit of a large outside diameter?

A: A larger outside diameter distributes the clamping force over a wider area, reducing the risk of pull-through and improving load distribution.

Q5. Are these washers corrosion resistant?

A: Yes. The zinc plated finish provides good corrosion resistance for general indoor use and light outdoor applications.

Q6. Can these washers be used outdoors?

A: Yes, for general outdoor applications. For marine or highly corrosive environments, stainless steel washers are recommended.

Q7. What sizes are available?

A: This listing includes multiple metric sizes. Please select the required size and pack quantity from the variation menu.

Q8. What thickness are these washers?

A: These Penny Repair Washers are 1.5 mm thick.

Q9. Can I use these washers with bolts and screws?

A: Yes. They are suitable for use with hex bolts, coach bolts, machine screws, set screws and threaded rod of the corresponding size.

Q10. Are these suitable for repairing damaged holes?

A: Yes. Their large outside diameter makes them ideal for reinforcing oversized or damaged fixing holes.

Q11. Why are they called Penny Washers?

A: The name comes from their large outside diameter, which is significantly wider than a standard flat washer, providing a greater bearing surface.

Q12. Are these also known as Mudguard Washers?

A: Yes. Depending on the industry and region, they are commonly referred to as Penny Washers, Repair Washers or Mudguard Washers.

Q13. Can these washers be used on vehicles?

A: Yes. They are commonly used for automotive repairs, including mudguards, body panels and other light-duty fixing applications.

Q14. Do these washers improve load distribution?

A: Yes. Their wide profile helps distribute load more evenly across the surface, reducing stress around the fixing point.

Q15. How do I choose the correct washer size?

A: Select the washer size that matches the diameter of the bolt or screw being used. The hole size should correspond to the fastener diameter for a secure fit.