500 lbs machine screw jacks Jacton jtc2.5 500 lbs miniature worm gear machine screw jacks with 4:1, 16:1 worm gear set ratios lift and precisely position up to 500 pounds. Upright or inverted, these jacks operate at full capacity in tension or compression. Available in Translating, Traveling nut and Keyed designs, they have self-lock, no require a brake or external locking device to hold position.
* 16 mm diameter lifting screw * Acme screw 4 mm pitch * Acme screw material, s45c * Aluminum housing or cast iron housing * Input shaft (worm), s45c, heating treatment * Lifting nut (worm gear), bronze