Hinge Rings
Hinge rings are available in a range of sizes.
| ITEM NO. | D | d |
| HR 19 | 20.0 | 2.35 |
| HR 25 | 26.2 | 3.10 |
| HR 31 | 33.2 | 3.10 |
| HR 38 | 38.0 | 3.10 |
| HR 50 | 50.0 | 3.50 |
| HR 76 | 75.0 | 4.50 |
STATIONERY SHEET
STATIONERY FITTINGS
RF WELDABLE FOAM
| ITEM NO. | D | d |
| HR 19 | 20.0 | 2.35 |
| HR 25 | 26.2 | 3.10 |
| HR 31 | 33.2 | 3.10 |
| HR 38 | 38.0 | 3.10 |
| HR 50 | 50.0 | 3.50 |
| HR 76 | 75.0 | 4.50 |