Joyce 2-ton (standard base) 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. WJT, single lead jacks are self-locking. DWJ, double lead jacks offer increased travel speed and require a brake or external locking device to hold position.
1 diameter lifting screw
Standard base
Available in a variety ratios and leads
Single lead WJT - .250lead ACME 2C
Double lead DWJ - .250 pitch/.500 lead
Numeric ratio, 100 TPI, .250 lead, ACME 2C
Screw material Cold Drawn Steel (CDS)