Joyce 50-ton worm gear machine screw jacks lift and precisely position loads. Upright or inverted, these jacks operate at full capacity in tension or compression and are available in Translating, Keyed for non-rotation and KFTN designs. WJT1150 and WJT3250 jacks are self-locking.
4 1/2 diameter lifting screw
Standard base
Available in a variety ratios
Single lead - .666 lead, ACME 2C
Screw material Cold Drawn Steel (CDS)