250 lbs. Machine Screw Jacks
WJ250
Joyce WJ250 miniature wormgear machine screw jacks with 5:1 gear set ratios lift and precisely position up to 250 pounds. Upright or inverted, these self-locking jacks operate at full capacity in tension or compression and are available in Translating and KFTN designs.
1/2” diameter lifting screw
Standard lead, 0.125” Stub Acme
Screw material – Cold Drawn Steel (CDS)
Self-locking
Hand wheels are available for manual operation
These jacks can be attached to small foot mounted motors with Couplings for powered operation.
When a motor mount is needed consider Integrated Actuators, which include a 56C motor mount on the actuator housing.

Parameter Name	Parameter Value
Type	translating screw