High Strength Scaffolding Hollow Screw Base Jack With BS1139 Standard

Brand Name:HORIZON
Certification:SGS
Model Number:scaffold screw jack base
Minimum Order Quantity:2000 pcs
Delivery Time:15-25 days
Payment Terms:L/C, T/T
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Location: Xingtai Hebei China
Address: HUSTPARK BUILDING NO. 4, ZHONGXING ST. XINGTAI, HEBEI, CHINA
Supplier`s last login times: within 48 hours
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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 50.252.75 (3.72)
Ø32(solid) x 400 (600)120 x 120 x 50.303.10 (4.20)
Ø34(solid) x 400 (600)120 x 120 x 50.403.50 (4.76)
Ø34(hollow) x 4 x 400 (600)150 x 150 x 60.552.80 (3.39)
Ø38(hollow) x 4 x 400 (600)150 x 150 x 60.502.90 (3.60)
Ø48(hollow) x 4 (5) x 600150 x 150 x 81.005.00 (5.60)
Ø48(hollow) x 4 (5) x 820150 x 150 x 81.006.00 (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 50.253.36 (4.33)
Ø32(solid) x 400 (600)150 x 120 x 50 x 50.303.70 (4.81)
Ø34(solid) x 400 (600)150 x 120 x 50 x 50.404.10 (5.37)
Ø34(hollow) x 4 x 400 (600)150 x 120 x 50 x 60.552.91 (3.74)
Ø38(hollow) x 4 x 400 (600)150 x 150 x 50 x 60.503.61 (4.28)
Ø48(hollow) x 4 (5) x 600180 x 150 x 50 x 81.006.24 (6.82)
Ø48(hollow) x 4 (5) x 820180 x 150 x 50 x 81.007.20 (8.00)

China High Strength Scaffolding Hollow Screw Base Jack With BS1139 Standard supplier

High Strength Scaffolding Hollow Screw Base Jack With BS1139 Standard

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