Manual trapezoidal screw jack with handwheel. Worm gear screw jack lifts can be driven by electric motor and operated by manual. When you hand wheel operated a screw jack, you can use a hand wheel or a hand crack with handle.
1. Load capacity 3 tons
2. Worm screw dia. 32mm
3. Worm screw pitch 6mm
4. Worm gear ratio 6:1
5. Self-locking acme screw, stroke 600 mm
6. Cast iron hand wheel
7. Upright mount
8. Translating screw design
9. Standard with 1-start lifting screw
10. Lifting Screw Ends: clevis end
11. Housing(Gearbox): Ductile Iron
12.Lifting Screw: Carbon steel #45
13. Worm(Input Shaft): Hardened worm, carbon steel #45
14. Worm Gear(Wheel): High strength bronze
15. Attached protective cover for lifting screw