| Customization: | Available |
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| After-sales Service: | 1 Years |
| Warranty: | 1 Years |
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Screw jack
A screw jack, also known as a mechanical jack, is driven by human power through a screw pair, with a screw or nut sleeve as the lifting component. Ordinary screw jacks rely on thread self-locking to support heavy objects, with a simple structure but low transmission efficiency and slow return. The thread of the self lowering screw jack has no self-locking effect and is equipped with a brake. By releasing the brake, the heavy object can quickly descend on its own and shorten the return time, but this type of jack has a more complex structure. The screw jack can support heavy objects for a long time, with a maximum lifting capacity of 100 tons, and is widely used. After installing a horizontal screw on the lower part, it can also cause the heavy object to move horizontally for a small distance.
| SPECIFICATION | TONNAGE | LIFTABLE HEIGHT | HEIGHT BEFORE LIFTING |
| JL-3.2T | 3.2T | 110MM | 200MM |
| JL-5T | 5T | 130MM | 250MM |
| JL-8T | 8T | 140MM | 260MM| |
| JL-10T | 10T | 150MM | 280MM |
| JLD-10T | 10T | 75MM | 200MM |
| JL-16T | 16T | 180MM | 320MM |
| JLD-20T | 20T | 90MM | 225MM |
| JL-20T | 20T | 180MM | 325MM |
| JLD-25T | 25T | 130MM | 275MM |
| JL-32T | 32T | 200MM | 395MM |
| JLD-32T | 32T | 150MM | 320MM |
| JL-42T | 42T | 200MM | 410MM |
| JL-50T | 50T | 250MM | 452MM |
| JLD-50T | 50T | 150MM | 330MM |
| JL-100T | 100T | 200MM | 452MM |
| JL-200T | 200T | 200MM | 472MM |
| JL-320T | 320T | 200MM | 540MM |
| JL-380T | 3801 | 200MM | 600MM| |
| JL-100-300 | 100T | 300MM | 550MM |
| JL-100-350 | 100T | 350MM | 600MM |
| JL-100-400 | 1001 | 400MM | 650MM |
Hebei Jili Rigging Co.,ltd is a professional manufacturer for design and produce sling,rigging and related accessories which used in crane.with many years of experience,JILI Rigging is still engaged in research & development,degisn,produce,sales and after-sales service.
Jili has the advance production equipment,strong technical force,exquisite workmanship and stable quality tesing equipment.Our company has manufactured several serials of products like pallet truck,pallet stacker , lifting slings,lifting clamps,ratchet straps,towing straps,complete rigging systems,hooks,shackles and other related products,they are widely used in the industries of metallurgy,power supply,gas,petroleum,aviation,space flight,chemistry,mining,contruction and equipment repair and so on.
Jili is located at Donglv Industry park,Hebei Province,which is one of the biggest rigging and hoisting product bases in China with geographic location and convenient transportation.
We insist on people-oriented and quality first,our company is willing to provide our top service to clients form all over the world.
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