manual operation worm drive screw jack stainless steel 2.5 tons

Manual trapezoidal screw jack with handwheel. Handwheel for the emergency adjustment and manual adjustment of worm gear screw jacks or systems. Safety handwheel for the emergency adjustment and manual adjustment of worm gear screw jacks or systems.

1. Load capacity 2.5 tons
2. Worm screw dia. 30mm  
3. Worm screw pitch 6mm  
4. Worm gear ratio 6:1 
5. Self-locking acme screw, stroke 500 mm
6. Cast iron hand wheel
7. Upright mount
8. Rotating screw design
9. Standard with 1-start lifting screw
10. Lifting Screw Ends: plain end, stainless steel 304
11. Housing(Gearbox): stainless steel 304
12.Lifting Screw: stainless steel 304
13. Worm(Input Shaft): stainless steel 304
14. Worm Gear(Wheel): High strength bronze
15. Travel nut: High strength bronze