adjustable base jack

Base jack from building facilities factory. Material: Q235 seamless pipe. Finish: Galvainzed or HDG

Base jack:

Tubular formwork bottom jack(base jack) is composed of jack plate and adjustable nut. The tubular formwork bottom jack was laid aside the bottom of scaffolding, using for adjusting the scaffolding horizontal size.

Main feature

·         Because of screw head adopts cold rolled technology, it has high bearing strength, which can be up to 100KN in a 400mm height, and bear the strength equably.

·         Screw head works in the adjustable nut can adjust the horizontal size expediently.

·         The overall weight of U head jack (hollow) is light, easy to use, and also reduces the construction cost.

Adjustable Screw jack( Hollow pipe)
The diameter of tube is from 25mm to 100mm. The height is from 500mm to 900mm.
Outer Dia	Inner Dia	Thickness of tube	Weight of tube	Base plate		Handle nut		Total weight
(mm)	(mm)			(kg)
(mm)	(mm)	tube  (mm)	(kg)	Size (mm)	Weight (kg)	Size (mm)	Weight (kg)	(kg)
35	25	5	1.48	150x150x5	0.89	150x50x35	0.45	2.82
35	25	5	1.85	150x150x5	0.89	150x50x35	0.45	3.19
35	25	5	2.22	150x150x5	0.89	150x50x35	0.45	3.56
45	35	5	2.51	150x150x5	0.89	170x65x50	0.75	4.15
45	35	5	3.14	150x150x5	0.89	170x65x50	0.75	4.78
45	35	5	3.77	150x150x5	0.89	170x65x50	0.75	5.41
Adjustable Screw jack( Solid bar)
Diameter	Height	Threw rod	Base plate		Handle nut		Total weight
(mm)	(mm)		(kg)
(mm)	(mm)	(kg)	Size (mm)	Weight (kg)	Size (mm)	Weight (kg)	(kg)
35	400	3.01	150x150x5	0.89	150x50x35	0.45	4.35
35	500	3.77	150x150x5	0.89	150x50x35	0.45	5.11
35	600	4.52	150x150x5	0.89	150x50x35	0.45	5.86
45	400	4.98	150x150x5	0.89	170x65x50	0.75	6.62
45	500	6.23	150x150x5	0.89	170x65x50	0.75	7.87
45	600	7.49	150x150x5	0.89	170x65x50	0.75	9.13

adjustable base jack