These Screw Jacks are ideal for use when shoring a multi-story building and the shores are the same height. Screw Jacks provide a full 6-inch adjustment. Screw jacks are also ideal for many gang-shoring situations and for use with horizontal shores.
Specifications:
For standard dressed 4" X 4" lumber.
Weighs 11 lbs.
| UNSUPPORTED LENGTH IN FT. |
LOAD CAPACITY IN POUNDS |
|
4" x 4" |
|
| 4 | 15,800 |
| 5 | 15,800 |
| 6 | 15,800 |
| 7 | 12,900 |
| 8 | 9,890 |
| 9 | 7,820 |
| 10 | 6,330 |
| 11 | 5,230 |
| 12 | 4,400 |
| 13 | 3,750 |
| 14 | 3,230 |
| 15 | 2,810 |