Swivel Base Jack for uneven ground falsework scaffolding - Tunnel Construction Steel Structure - Bridge Shoring Subway Concrete Building

Adjustable Swivel Jack Base   

-Uneven Ground Falsework Scaffolding Leveling Jacks
-ISO 9001 & CE Certificated China Leading Scaffolding Manufacturer   

Adjustable swivel screw jack base are leveling jack base adjustable by jack collar used in uneven ground construction leveling.
There are hollow tubular type and solid bar type stem screw.
Swivel jack base  is include threaded stem, base plate cold formed, heavy duty jack collar nut and lugs on base plate rivet threaded stem on.
Swivel jack base stems should be 1/4(20%) or 150mm inside of the scaffold tube verticals according to construction scaffolding safety requirement.
The swivel jacks are in high load capacity more than 100KN, that can be leveling foot of tunnel work, bridge construction, subway of such heavy steel structure.
Both E-galvanized and hot dip galvanized surface are available.
Customers' requirement in size, specifications, and new design according to construction special request are available from the china leading scaffolding manufacturer, ISO9001 & CE certificated, 50,000m2 auto to 49 countries.

adjustable swivel jack base for uneven ground falsework and scaffolding for tunnel bridge subway construction steel structure with hollow type stem tubular and bars