| Size | Internal Dia | External Dia | Thickness |
| 1/8" | 10.20 | 14.30 | 1.50 |
| 1/4" | 13.10 | 18.10 | 1.50 |
| 3/8" | 16.80 | 21.50 | 1.50 |
| 1/2" | 21.40 | 26.65 | 1.50 |
| 3/4" | 26.50 | 33.60 | 1.50 |
| 1" P | 33.00 | 40.90 | 1.50 |
| 1 1/4" | 42.10 | 52.00 | 1.50 |
| 1 1/2" | 48.20 | 55.00 | 1.50 |
| 2" P | 60.00 | 67.00 | 1.50 |
Dimensions given in metric however these are BSP washers
High grade materials to ensure a high quality washer suitable for a wide range of uses from industrial, general electrics to woodworking and DIY