422241,253-6309,Guitel 黑色 合成橡胶 扩展插件 422241, 适合21 → 22mm方管 ,Guitel
Round or square expandable sockets for tubes and easily adaptable to institutional castors.
They are formed of 2 elastomer sleeves, which adapt to the inner shape of the tube, compressed by the threaded rod between two washers.
The tube rests on a support washer of an appropriate shape. Attached using M 12 x 85 screws provided.
| housing | dim. (mm) | length (mm) |
| Expandable round sockets | ||
| 1 | 18.5 to 19.5 | 43 |
| 2 | 21.5 to 22.5 | 55 |
| Expandable square sockets | ||
| 3 | 21 to 22 | 55 |
| 4 | 26.5 to 28.52 | 55 |
