Product Description
Imperial red fibre flat sealing washers for use with imperial bolts, screws, plugs, pipe fittings and threaded assemblies where a compressible sealing washer is required.
These red fibre washers are designed to help form a seal when compressed between mating surfaces. They are commonly used in general sealing, plumbing, automotive, machinery, engineering, workshop and maintenance applications.
Sizes are listed as internal diameter x external diameter x thickness. The listed thickness is 1/16".
- Imperial red fibre flat sealing washers
- Compressible fibre washer material
- Designed to help seal when compressed
- Suitable for imperial bolts, screws, plugs and threaded fittings
- Sizes listed as internal diameter x external diameter x thickness
- Available in a wide range of imperial sizes from 13/64" ID up to 1" ID
- Useful for sealing, plumbing, automotive, machinery and maintenance use

| A | B | C |
| 1" | 1 1/2" | 1/16" |
| 13/64" | 3/8" | 1/16" |
| 1/4" | 3/8" | 1/16" |
| 1/4" | 3/4" | 1/16" |
| 1/4" | 5/8" | 1/16" |
| 5/16" | 1/2" | 1/16" |
| 5/16" | 5/8" | 1/16" |
| 21/64" | 1/2" | 1/16" |
| 11/32" | 9/16" | 1/16" |
| 3/8" | 7/8" | 1/16" |
| 3/8" | 5/8" | 1/16" |
| 7/16" | 11/16" | 1/16" |
| 29/64" | 11/16" | 1/16" |
| 15/32" | 3/4" | 1/16" |
| 15/32" | 15/16" | 1/16" |
| 1/2" | 3/4" | 1/16" |
| 1/2" | 11/16" | 1/16" |
| 1/2" | 13/16" | 1/16" |
| 17/32" | 3/4" | 1/16" |
| 9/16" | 7/8" | 1/16" |
| 37/64" | 7/8" | 1/16" |
| 5/8" | 7/8" | 1/16" |
| 21/32" | 1" | 1/16" |
| 23/32" | 1 1/8" | 1/16" |
| 3/4" | 1 1/8" | 1/16" |
| 49/64" | 1" | 1/16" |
Please Note: Specifications given are intended as a guide only. If critical to your project please check with us first.