BS1139 Standard Scaffold Screw Jack Heads
BS1139 Standard Scaffold Screw Jack Heads With High Loading Strength
Scaffold Jack Heads With High Loading Strength Under BS1139 Standard
Made from high strength steel pipes, screw jack heads are equipped with 150 x 150 mm head plate to support and stabilize horizontal beams in slab construction. Due to the big supporing area, safe and stable supporting can be achieved by the head plate.
It can fit all types of scaffold systems, such as frames, ringlock, or cuplock systems.
Jack heads are always working in conjunction with Jack base to adjust scaffolding sets in a easy way.
The screw jack with base plate / head plate allows your scaffold set to be leveled on uneven surfaces. Casting iron nut is used on the screw stem, high-strength and galvanized for durability.
Scaffold Base Jack:
| Screw /Tube size (mm) | Base plate (mm) | Nut (kg) | Weight (kg) |
| Ø30(solid) x 400 (600) | 120 x 120 x 5 | 0.25 | 2.75 (3.72) |
| Ø32(solid) x 400 (600) | 120 x 120 x 5 | 0.30 | 3.10 (4.20) |
| Ø34(solid) x 400 (600) | 120 x 120 x 5 | 0.40 | 3.50 (4.76) |
| Ø34(hollow) x 4 x 400 (600) | 150 x 150 x 6 | 0.55 | 2.80 (3.39) |
| Ø38(hollow) x 4 x 400 (600) | 150 x 150 x 6 | 0.50 | 2.90 (3.60) |
| Ø48(hollow) x 4 (5) x 600 | 150 x 150 x 8 | 1.00 | 5.00 (5.60) |
| Ø48(hollow) x 4 (5) x 820 | 150 x 150 x 8 | 1.00 | 6.00 (6.80) |
U-head Jack:
| Screw / Tube size (mm) | Base plate (mm) | Nut (kg) | Weight (kg) |
| Ø30(solid) x 400 (600) | 150 x 120 x 50 x 5 | 0.25 | 3.36 (4.33) |
| Ø32(solid) x 400 (600) | 150 x 120 x 50 x 5 | 0.30 | 3.70 (4.81) |
| Ø34(solid) x 400 (600) | 150 x 120 x 50 x 5 | 0.40 | 4.10 (5.37) |
| Ø34(hollow) x 4 x 400 (600) | 150 x 120 x 50 x 6 | 0.55 | 2.91 (3.74) |
| Ø38(hollow) x 4 x 400 (600) | 150 x 150 x 50 x 6 | 0.50 | 3.61 (4.28) |
| Ø48(hollow) x 4 (5) x 600 | 180 x 150 x 50 x 8 | 1.00 | 6.24 (6.82) |
| Ø48(hollow) x 4 (5) x 820 | 180 x 150 x 50 x 8 | 1.00 | 7.20 (8.00) |
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