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screw jacks


screw jacks


screw jacks

screw jacks:

1.Screw Jack with high efficiency

2.Worm rod and worm gear with Synthetic lubricants for life

3.Housing specially designed for better heat dissipation

4.Suitable for application at high linear speed and with high duty factor

5.Self-locked standard structure

6 High duty cycles

7. Linear speed up to 40MM/s

Linear speed can up to 100mm/s according to request

8. input speed up to 3000R/min

9.Load capacity range : from 5KN-200KN



Brief Introduction


Worm gear screw jack is a basis jack-up part, accomplanish the functions

such as lifting, drop, push and inverting through  worm gear drives screw.

Application Industry:

WSH series worm gear screw jak is applied to the fields such as Aircraft

maintenance platform, machinery, metallurgy, water conservancy,chemical

industry, medical treatment, culture and hygienist etc.


Compact configuration, small size, lightweight, convenient installation,

flexible operation, high reliability and stability, also has a long service life

and more connection form etc.


Mainly Specification

1. Model: SWL 2.5~120

2. Has self- locking ability: trapezoid screw has  self-lock function, it can hold up load without braking device when screw stops traveling.

3. Can be driven directly by motor or other power or manual.

4. Low speed, low frequency:Be suitable for heavy load, low speed, low service frequency.

5. Has different configuration form and assembly type, and the lifting height can highly customized according  to users’ demand.

Arrangement: single units,in pairs or multiple jacks systems,fully synchronization



Type Structural Style Model Output Torque Screw Diameter Max.Power Net Weight             (without screw stroke)
(KN) (mm) (KW) (KG)
    SWL     Screw Jack

      I Type

SWL2.5 25 Tr30X6 0.55 7.3
SWL5 50 Tr40X7 1.1 16.2
SWL10 100 T58X12 2.6 25
SWL15 150 T58X12 2.6 25
SWL20 200 Tr65X12 3.7 36

     II Type

   SWL 250 Tr90X16 4.8 70.5
 SWL35 350 Tr100X18 6 87
 SWL50 500 Tr120X20 7.5 420
SWL100 1000 Tr160X23 15 1010
SWL120 1200 Tr180X25 17.5 1350

Packaging Details

10 feet or 3.05 meters each strand, packed in plywooden case or pallet,We can also pack the chain as per request.
Delivery Time:45 days after received payment
Port:Shanghai/Ningbo port
Lead Time :45 days after received payment


Features available

Our OEM/ODM company provides you what best matches your needs

Our product can be adapted: see the diagram and the chart below. Please give us the required model name so we can provide you the most accurate quotation.

This chart if for reference, if you need different features, provideus all relevant details for your project and we will be glad to help you finding the product matching your need at the best quality with the lowest price.

Please note the price and the MOQ may vary regarding the product you chose: do not hesitate to contact us to know more!



Our service

We Can Provide You:

◆ On-time Delivery of a wide variety of products
◆ Exceptional product solutions and service
◆ Quality guarantee
◆ Local technical support
◆ Fast response to customers: Feedbacks in 24 hours

“Quality is priority” EVER-POWER people always attach great importance to quality controlling from the very beginning to the end. Our factory has gained CE, VB, SGS & ISO certificates.

Ever-Power Transmission Group is a group corporation manufacturering all kinds of transmission components. We have 3 factories and 2 abroad sales corporations.


About us

Our company manufactures sophisticated boring and milling power head, numerical control (hard rail and wire rail) sliding table and numerical control machine. We provide modular combination design and manufacturing scheme to effectively improve production capacity in accordance with product characteristics required for any industry.

The products provided by Jingyao Numerical Control Company are manufactured at the vertical and horizontal machining center and are scanned using three-dimensional detectors. The hardness text shall be made for main parts after thermal treatment. The products have very high machining precision, easy transmission, specious surface and reasonable design. The manufactured product is widely used in the auto parts, engine parts, agricultural machinery, engineering machinery, textile machinery, water heating fittings, pipe fittings, chemical equipment parts, military project and mould manufacturing industry.

Since products are on the market, they have been highly recommended by both domestic and foreign customers.

The company mainly sells control parts, driving parts, cutting tools (measuring implement) and other precision parts of domestic and overseas brands. On the basis of the resource superiority of taking full advantage of the “Chinese cutting Tool and Measuring implement Market ” “Chinese Mechanical and Electrical Hardware city”, “Taizhou Automation Equipment Market”, and by combination with the internal technology experience, the company will provide on-line and off-line (O2O) one-stop purchasing platform and establish distribution departments in major cities.

Company tenet: creation of value for customer, creation of opportunities for employees, and creation of benefits for the enterprise. We firmly believe that we are able to open up a new situation where we can get win-win results and mutual benefits with new and old customers through unremitting efforts.



Q: Are you trading company or manufacturer ?

A:  Our group consists in 3 factories and 2 abroad sales corporations.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: How long is your delivery time ? What is your terms of payment ?

A: Generally it is 40-45 days. The time may vary depending on the product and the level of customization. For standard products, the payment is: 30% T/T in advance ,balance before shippment.

Q: What is the exact MOQ or price for your product ?

A: As an OEM company, we can provide and adapt our products to a wide range of needs.Thus, MOQ and price may greatly vary with size, material and further specifications; For instance, costly products or standard products will usually have a lower MOQ. Please contact us with all relevant details to get the most accurate quotation.

If you have another question, please feel free to contact us



Contact us for More information → https://www.ever-power.net/contact-us/

You are always welcome to ask any information! Please feel free to contact us!

Request a quote

If you have any request, please fill this form and we will reply you within 24 hours.


1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
2. Steel:C45(K1045), C46(K1046),C20
3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
4. Bronze: C51000, C52100, C54400, etc
5. Iron: 1213, 12L14,1215
6. Aluminum: Al6061, Al6063
7.OEM according to your request


Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.


CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly


Technicians self-check in production,final-check before package by professional Quality inspector

ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009


Size: Drawings

Wooden Case/Container and pallet, or as per customized specifications.

15-25days samples. 30-45days offcial order

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