Product Description
Imperial zinc plated steel Table 3 heavy flat washers for use with imperial bolts, set screws, studs and nuts. These heavy pattern flat washers provide a larger bearing surface under the fastener head or nut, helping to spread the load across the joint material.
Manufactured from zinc plated steel, these washers offer general corrosion resistance for workshop, engineering, automotive, maintenance, repair and general fastening applications. The heavier Table 3 pattern makes them suitable where a thicker imperial washer is required.
These imperial flat washers are sized by their nominal internal diameter and are available from 1/4" up to 1 1/2". Supplied in small and bulk pack sizes, they are a useful general-purpose washer for imperial fastening assemblies.
- Imperial flat washers
- Zinc plated steel
- Table 3 heavy pattern
- Sizes given by nominal internal diameter
- For use with imperial bolts, set screws, studs and nuts
- Helps spread load under the fastener head or nut
- Sizes available: 1/4" to 1 1/2"
- Available in small and bulk pack sizes
Also known as imperial flat washers, heavy flat washers, Table 3 washers, zinc plated washers, imperial steel washers, penny style washers and thick flat washers.

| A | B | C |
| 1" | 1.87" | 0.16" |
| 1 1/8" | 2.11" | 0.17" |
| 1/4" | 0.55" | 0.06" |
| 1 1/4" | 2.34" | 0.17" |
| 5/16" | 0.62" | 0.08" |
| 3/8" | 0.75" | 0.07" |
| 7/16" | 0.86" | 0.09" |
| 1/2" | 0.99" | 0.09" |
| 1 1/2" | 2.84" | 0.19" |
| 9/16" | 1.12" | 0.09 |
| 5/8" | 1.24" | 0.11" |
| 3/4" | 1.50" | 0.12" |
| 7/8" | 1.61" | 0.14" |
Please Note: Specifications given are intended as a guide only. If critical to your project please check with us first.