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ept offers high quality Best Price Worm Gear Hand Crank Screw Jack for Lifting Tables for your requirements. Important Note: The original actual pictures, videos, designs and molds came from the audited manufacturer and supplier –  ept ept Co.,Ltd. Don’t copy the pictures, videos, models, designs and drawing dimensions without ept permission.

Hand crank screw jack (also known as a hand crank jack screw, a hand crank screw lift, a hand crank worm gear screw jack, or a hand crank screw actuator) is the most economical and efficient mechanism for lifting and lowering loads, for push-pull applications where electricity or power generators is inconvenient or dangerous. Hand crank screw jack has intermittent precisely positioning and self-loc ept feature for no creeping down without brake mechanism or loc ept systems. Note: Hand crank does not include a brake and therefore are not for use with ball screw jacks. 

Hand crank screw jack wor ept principle is worm screw (also known as input shaft) is rotated manually operated by a hand crank, worm gear is rotated by the worm screw, the trapezoidal lifting screw moves through the rotating worm gear. The hand crank screw jack linear motion speed of trapezoidal lifting screw depends on thread size and rotation ratio of worm gears. Hand crank is available in a range of diameters from 100mm to 900mm and can be adapted for use on screw jacks from 0.5 ton up to the 20 ton capacity model, if larger than 20 ton capacity models, we don’t suggest use hand crank manually operated.  

In order to precise position display of the travel length, the hand crank screw jack worm screw adds a digital position indicator which measures the rotation of the worm screw and display a corresponding position in a counter window. The display value per input shaft revolution is variable and is achieved through a series of gear reductions configured to accommodate different screw jacks worm gear ratios, screw pitch and travel distances. Note: not for use with motorized applications.

Shipment and Pac ept Pictures 
Shipping:
1. ept freight: seaport to seaport, price terms CIF, FOB, EXW, CFR etc.
2. Air freight: airport to airport, price terms EXW, CRF etc.
3. Air courier: DHL, FEDEX, UPS, TNT door to door shipment, price terms DDU, CPT etc.

Packing: 
100% standard exporting plywood cases. 
Note: International Exporting Standard Wooden Material with Free Fumigation.

ept Advantages
1. International standard materials for All ept brand products. We insist on choosing brand suppliers to supply the high quality raw materials to control the producing process. Optimization constantly the production processes, inspecting in each link and managing production site.
2. 100% quality assured with double quality inspections. The quality inspection by quality inspectors from processing to finished products as the first time. Before packing, the corresponding sales engineers must inspect the orders following the paper drawings, order quantities and special markings in the invoice or sales contracts as the second time. After that, fill in the inspection report with signature and company stamp.
3. 100% safety transportation. Pac ept with strong standard export plywood cases materials (free fumigation), inner pac ept with epe foams to prevent products swaying and outer pac ept with iron sheets and fasteners to fasten the packages.
4. Internationl sales engineers have professional knowledge and skills on our standard products and service. They have enough ability to solve the basic technical problem immediately whatever by phone, online chat, face to face communications.
5. All the standard products with 2D CAD Drawings (PDF, DWG and DXF formats), and 3D CAD Models (STEP, STP, MODEL, IGS, PRT and CATParT formats).
6. Custom design available, OEM service available, Free engineering advice, Free quotes available and Customer label available.
7. Inspection equipments include motor with inverter drive system, height adjustmemt motorized lifting system, coordinate measuring machines, outside micrometers, inside micrometers, depth calipers, vernier calipers, digital calipers, hardness testers, digital noise meters, industrial infrared thermometers, digital speed measuring instruments, digital multimeters, and high precision clamp digital ammeter etc. 
8. Processing with modern advanced machines such as CNC gear hobbing machines, CNC flank grinding machines, CNC cylindrical grinding machines, multi-axis CNC milling machines, CNC lathes and others equipments.

Finished Projects
1. Theatrical solutions stage and orchestra platform lifts projects. Customers are from France, Australia, Netherlands, United Kingdom, Spain and Canada. 
2. Hydroelectric power station projects and water conservancy projects. Customers are from Vietnam, Australia, Malaysia, Russian Federation, Nepal, Pakistan, Belgium, United States and United Kingdom. 
3. Aircraft maintenance platforms and doc ept systems projects. Customers are from Pakistan, Singapore and United Arab Emirates.  
4. Solar panel trac ept system projects. Customers are from Spain, India and Canada. 
5. Bolted steel storage tanks and silos lifting solutions. Customers are from South Africa, United States, Mexico, Russian Federation, Brazil and Vietnam. 
6. Dish antenna elevation and azimuth positioning projects. Customers are from Singapore, Malaysia and United States. 
7. Railway wagon projects. Customers are from South Africa. 
8. Beverage can production lines. Customers are from Netherlands, United States, Thailand and Indonesia. 
9. Steel factories production lines. Customers are from Iran, United States and Turkey. 
10. Continuous PU sandwich panel production lines. Customers are from Thailand and United Kingdom.  

ept Customers Areas(Countries)
1. American Countries: United States, Mexico, Canada, Chile, Xihu (West Lake) Dis.via, Brazil, Colombia, Dominican Republic, Honduras, Costa Rica, Panama, Puerto Rico, Jamaica, Trinidad and Tobago, Aruba, Argentina, Peru, Venezuela.
2. European Countries: Russia, Germany, Turkey, France, United Kingdom, Italy, Spain, Ukraine, Poland, Romania, Netherlands, Belgium, Greece, Czech Republic, Portugal, Sweden, Hungary, Belarus, Austria, Switzerland, Bulgaria, Denmark, Finland, Slovakia, Norway, Ireland, Croatia, Georgia, Armenia, Lithuania, Slovenia, Estonia, Cyprus, Luxembourg, Iceland.
3. Asian Countries: Malaysia, Indonesia, Singapore, Pakistan, Philippines, Vietnam, United Arab Emirates, Thailand, Saudi Arabia, Iran, Turkey, India, Nepal, Yemen, ZheJiang , Sri Lanka, Israel, Jordan, Kuwait, Qatar.
4. Oceanian Countries: Australia, New Zealand, Fiji.
5. African Countries: South Africa, Egypt, Ethiopia, Nigeria, Kenya, Tanzania. 

ept Products List
1. Manual Worm Gear Screw Jacks, Electric Worm Gear Screw Jacks.
2. Worm Gear Screw Jacks Series: JT series acme screw jacks, JTC series cubic screw jacks, JTW series machine screw jacks, JTM series worm screw jacks, JTB series ball screw jacks, JTD series cubic ball screw jacks, JSS series stainless steel screw jacks, JTS series bevel gear screw jacks, Non-standard series screw jacks. 
3. Spiral Bevel Gearboxes Series: JT series bevel gearboxes, JTP series cubic bevel gearboxes, JTA series aluminum bevel gearboxes, JTH series hollow shaft bevel gearboxes, BSS series stainless steel bevel gearboxes.  
4. Screw Lifting Systems and Systems Accessories: two-jacks systems, three-jacks systems, four-jacks systems, six-jacks systems, eight-jacks systems. Accessories cover couplings, universal joints, cardan shafts, connecting shafts, electric motors, geared motors and reducers, hand wheel with crank handles, pillow block bearings, flange block bearings, rod end bearings, stop nuts, limit switches, safety nut, travel nuts, linear shafts and bearings, linear guides and bearings, telescopic spring covers, bellows boot, protective tube, trunnion adapter plates, trunnion mounting brackets, motor flanges, rotary encoders, potentiometers, frequency inverters and position indicators etc.
5. Heavy Duty Linear Actuators Series: Parallel heavy duty linear actuators, In-line heavy duty linear actuators.
6. Geared Motors and Speed Reducers Series: helical gearmotors R series, helical bevel gearmotors K series, parallel shaft helical gearmotors F series, helical worm gearmotors S series, small AC gear motor series and worm gear motor reducer series.

Contact Information
HangZhou ept ept Co.,Ltd (VAT No.: 9144190007026567X3, registered Capital 500000CNY) is a leading manufacturer and supplier of screw jacks (mechanical actuators), bevel gearboxes, lifting systems, linear actuators, gearmotors and speed reducers, and others linear motion and power transmission products in China. We are Alibaba, Made-In-China and SGS (Serial NO.: QIP-ASI192186) audited manufacturer and supplier. We also have a strict quality system, with senior engineers, experienced skilled workers and practiced sales teams, we consistently provide the high quality equipments to meet the customers electro-mechanical actuation, lifting and positioning needs. ept ept guarantees quality, reliability, performance and value for today’s demanding industrial applications.
Website (English):  g. CASE® and John Deere® are for reference purposes only and for indicating product use and compatibility. Our company and the listed replacement parts contained herein are not sponsored, approved, or manufactured by the OEM.

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