3 ton machine screw jacks Jacton jt-3t 3 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 traveling nut rotating designs. Single lead jacks are self-locking. Double lead jacks offer increased travel speed and require a brake or external locking device to hold position.
* 32 mm diameter lifting screw * Available in 1:6, 1:12 and 1:24 ratios * Acme screw 6 mm pitch * Acme screw material, s45c * Cast iron housing * Input shaft (worm), s45c, heating treatment * Lifting nut (worm gear), bronze * Self-locking