light weight hand cranked screw jacks 500kg

Are you looking for Machine Screw Jack Handwheels? Our manual hand wheel screw jack is consist of a hand wheel and a worm screw jack.

1. Load capacity 500kg
2. Jack screw dia. 18mm  
3. Jack screw pitch 4mm  
4. Worm gear ratio 5:1 
5. Self-locking acme screw, stroke 500 mm
6. Aluminum hand wheel
7. Upright mount
8. Translating screw design
9. Standard with 1-start lifting screw
10. Lifting Screw Ends: top plate
11. Housing(Gearbox): Aluminum
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.
15. Protective Cover: Aluminum