We have gained a huge appreciation in the market by offering an excellent array of Screw Jack Apparatus.
Screw Efficiency Apparatus:Consists of a self contained wall bracket with a steel screw of 3cm diameter. The screw has 5 T.P.I. ''V'' type pitch. Complete with large force pulley two jockey pulleys, hooks and cords. Weights are not included.
Screw Jack:All metallic construction accurately machine cut screw with a pitch of 5mm carrying a double flanged turn table of about 20 cm diameter. Fitted on heavy cast iron base and complete with two adjustable pulleys, cord and hooks. Weights are not included.
Compound Screw Jack:Consisting of a jack screw of 4 T.P.I. and double start carrying load platform. The nut of the screw is fitted on a pedestal bearing and is keyed to worm gear of 40 teach operated by a worm screw. The spindle of the worm screw is provided with an effort wheel of 15cm diameter. Weights are not included.
Compound Screw Jack with Transverse Motion:As above but the whole unit is mounted on a sturdy slide. The slide platform is approximately 37cm long and is operated by a leading screw with crank handle. Weights are not included.