
High Strength Scaffolding Hollow Screw Base Jack With BS1139 Standard
The screw jack for is used as a starting base for a scaffold system, such as frames, ringlock, or cuplock systems. It has an adjustable height to allow for compensation on uneven grades so that a level scaffold is always attainable.
Made from high strength steel pipes, screw jack heads are equipped with 150 x 150 mm head plate to support and stabilize horizontal timber beam or steel beams in slab construction. Due to the big supporing area, slope of up to 6 % can be achieved by the head plate.
Jack heads are always working in conjunction with Jack base to adjust scaffolding sets in a easy way. Base plate is welded to the tubular screw stem, with a hole in each corner for securing to mudsill.
Casting iron nut is used on the screw stem, high-strength and galvanized for durability.
ACME threads are used on the screw stem.
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) |
HORIZON FORMWORK CO., LTD.
As a professional formwork company, HORIZON Formwork Co., Ltd. contributes its effort to the design, manufacturing and marketing
of formwork systems, scaffolding systems and all kinds of
accessories, which are widely used in commercial, residential and
infrastructural projects. We are not only providing excellent
products, but also offering a comprehensive and complete concrete
formwork and scaffolding solution to clients.
The main products we offer : wall formwork, slab table formwork, scaffolding system, timber beam H20, steel props, formwork wing nuts, tie rods, formwork clamps, and other formwork accessories, scaffolding fittings etc..
Over years of developement, we have completed many projects both in domestic market and abroad. Thanks to the reliable products quality and thoughtful service, HORIZON has won good reputation from the clients.
HORIZON Formwork, your reliable formwork partner!