hand wheel screw jacks 5ton

Where to use hand operated lifting screw jack?
Application in where electricity or power generators is inconvenient or dangerous.
Important note: If hand operated screw jack needs precise position display, a range of digital position indicators are available. These digital position indicators measure the rotations of the input shaft and display corresponding position in the digital counter window.

1. Load capacity 5ton
2. Jack screw dia. 40mm  
3. Jack screw pitch 7mm  
4. Worm gear ratio 7:1 
5. Self-locking acme screw, stroke 300 mm
6. Cast iron hand wheel
7. Upright mount
8. Translating screw design
9. Standard with 1-start lifting screw
10. Lifting Screw Ends: rod end screws into threaded end, fixed by a pin.
11. Housing(Gearbox): Ductile Iron
12.Lifting Screw: Carbon steel #45. Custom stainless steel.
13. Worm(Input Shaft): Hardened worm, carbon steel #45. Custom stainless steel.
14. Worm Gear(Wheel): High strength bronze.