Zinc - SS-8
Aluminum - AS-8
| Size | OD | Height |
| 6 | 1/2 | 7/32 |
| 7 | 1/2 | 3/16 |
| 8 | 1/2 | 11/64 |
| 9 | 7/16 | 5/32 |
| 3/16 | 1/2 | 13/64 |
| 1/4 | 5/8 | 17/64 |
| 5/16 | 3/4 | 21/64 |
| 3/8 | 7/8 | 25/64 |
Disclaimer: The dimensions listed are for reference only. Sizes not listed may be available off the shelf or can be manufactured to customer requirements.