USA customer table base screw jacks. USA customer is a table maker, who buy several kits screw jack lift mechanisms for their industrial stype hand crank table bases. Each industrial stype hand crank table base includes two 2.5 ton screw jacks, two couplings, one connecting shaft, two cast iron hand wheels. Custom made one 2.5t jack with left lengthened worm shaft, another jack with right lengthened worm shaft.
Features: 1.table base screw jacks 2.USA customer table base 3.screw lift mechanisms 4.industrial table base 5.2.5 ton screw jacks 6.lengthened worm shaft