
Best Worm Drive Screw Motors, Electronic Mechanical Jack, Direct Drive Screw Jack Manufacturers
At present, we are striving our best to become amongst the ideal exporters inside our industry to satisfy shoppers more want for Manual Screw jack, Worm gear hand winch, Lifting tongs for pipes. We always adhere to the policy of 'taking quality as life and customers as God'. Our products sell well all over the country and win the support and trust of users. To achieve mutual success, we'll make our best efforts to build a solid co-operation and transparent communication work with our companions. Now we have a excellent team supplying specialist service, prompt reply, timely delivery, excellent quality and best price to our customers. The scale of our company is gradually expanding, and the product technology is constantly updated and improved.
The hand crank ratchet jack is designed by the mechanical transmission principle. It's one of the best lift tools used in repairing and supporting, etc. The lifting or lowering speed is controllable. Moreover, it overcomes the shortcoming of the common hydraulic jacks whose lowering height and speed are out of control when oil leaking.
The top-quality steel structure makes it safe and durable. The compact design with a collapsible lever offers easy operation and simple maintenance. It has two applicable support stands. The lifting range is much higher.




Feature

Parameter Specification
Model | SJ-1.5 | SJ-3 | SJ-5 | SJ-10 | SJ-16 | SJ-20 | SJ-25 | |
Capacity/T | KG | 1.5 | 3 | 5 | 10 | 16 | 20 | 25 |
Test load/kn | KN | 18.4 | 36.8 | 61.3 | 122.5 | 196 | 245 | 306 |
Hand shake to lift full load/N | N | 140 | 196 | 235 | 431 | 580 | 650 | 750 |
Dimension/mm | A | 77 | 83 | 105 | 120 | 153 | 153 | 153 |
B | 100 | 130 | 140 | 140 | 150 | 150 | 198 | |
C | 605-905 | 720-1075 | 735-1065 | 795-1105 | 790-1105 | 840-1155 | 950-1360 | |
D | 55-355 | 55-410 | 60-390 | 70-430 | 90-405 | 90-405 | 110-520 | |
E | 55 | 60 | 70 | 80 | 85 | 85 | 85 | |
F | 40 | 45 | 68 | 73 | 90 | 90 | 90 | |
G | 110 | 138 | 175 | 175 | 182 | 182 | 230 | |
H | 225 | 285 | 285 | 330 | 360 | 360 | 360 | |
K | 121 | 200 | 190 | 252 | 275 | 275 | 388 | |
R | 119 | 140 | 155 | 185 | 210 | 224 | 200 | |
S | 185 | 230 | 220 | 220 | 202 | 202 | 205 | |
T | 126 | 126 | 126 | 250 | 250 | 250 | 250 | |
Net Weight/kg | 10.7 | 21.3 | 27 | 47 | 64.5 | 72 | 93 |
Feature

Model | SJ-1.8V | SJ-3.5V | SJ-6V | SJ-12V | SJ-19V | SJ-24V | |
Capacity/T | KG | 1800 | 3500 | 6000 | 12000 | 19000 | 24000 |
Test load/kn | KN | 19.8 | 38.5 | 66 | 132 | 209 | 264 |
Hand shake to lift full load/N | N | 200 | 206 | 247 | 452 | 609 | 682 |
Dimension/mm | A | 77 | 83 | 105 | 120 | 153 | 153 |
B | 100 | 130 | 140 | 140 | 150 | 150 | |
C | 605-905 | 720-1075 | 735-1065 | 795-1105 | 790-1105 | 840-1155 | |
D | 55-355 | 55-410 | 60-390 | 70-430 | 90-405 | 90-405 | |
E | 55 | 60 | 70 | 80 | 85 | 85 | |
F | 40 | 45 | 68 | 73 | 90 | 90 | |
G | 110 | 138 | 175 | 175 | 182 | 182 | |
H | 225 | 285 | 285 | 330 | 360 | 360 | |
K | 121 | 200 | 190 | 252 | 275 | 275 | |
R | 119 | 140 | 155 | 185 | 210 | 224 | |
S | 185 | 230 | 220 | 220 | 202 | 202 | |
T | 126 | 126 | 126 | 250 | 250 | 250 | |
Net Weight/kg | 12.2 | 22.8 | 28.5 | 48.5 | 66 | 73.5 |
Packing and delivery
One pc packed with color box or wooden carton. Then packing with pallet and loading into the container.




To meet the challenge, we are breaking new ground with our Best Worm Drive Screw Motors, Electronic Mechanical Jack, Direct Drive Screw Jack Manufacturers to enable it to have exquisite design, simple operation and reasonable prices. A standardized corporate governance structure can effectively alleviate agency problems and enable modern enterprises to show strong vitality. We strive to build an innovative and developmental enterprise, continue to meet customer needs, and create value for customers.
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