Single Acting Lock Nut Hydraulic Jack - 50 Tons to 1000 Tons Capacity

we are offering hydraulic jack. single acting lock nut type. capacity : 50 tons - 1000 tons 1. lock nut type - to secure load mechanically 2. single-acting load return. 3. it has a safety lock nut for mechanical load holding. 4. it has special coating on piston and lock nut improves corrosion and abrasion resistance. 5. it also has powder coat finish for increased corrosion resistance and anti rust. 6. hard chrome plated inner of barrel resists wear and corrosion. 7. all the models include sqb-38uf coupler and dust cap. 8. overflow port functions as a stroke limiter.