North America - EN
Micro Miniature Screw Jacks
Screw Jacks
Up to 1,000 lbs. capacity. Micro-miniature Screw Jacks have a small footprint, making them suitable for applications where space is limited.
Features and Benefits
- Anti-backlash Nuts Installed
These small screw jacks are equipped with anti-backlash nuts to minimize vertical backlash between the screw and worm gear nut. - Manual Operation
Accomplished with an easy-to-use hand knob. - Plastic Cover Safeguards Surface
The dial indicator is protected by a removable clear plastic cover. - Precision and Accuracy
Allows for extremely fine and precise adjustment. - Corrosion-Resistant
Available in stainless steel for protection against corrosion, making them ideal for harsh environments like marine or chemical settings. - Standard Models
Equipped with anodized aluminum shell cap and housing with stainless steel worm and lifting screws. - Optional Models
Available with sealed 316 stainless steel shell cap, housing, worm and lifting screw.
Options
Learn More About Duff-Norton Screw Jacks
Industrial screw jacks are used to lift, position (push, pull, tilt, roll, etc.) and support all kinds of loads. Some applications where our screw jacks have been used include plastics machinery, beverage bottling systems, aircraft assembly and paper production.
Duff-Norton’s collection of screw jacks range from mini screw jacks supporting up to 1,000 pounds to acme screw jacks with a capacity up to 350 tons and everything in between. Learn about our machine and ball screw jacks.
Specifications
Specifications - Micro-Miniature Actuator |
||||||||
|---|---|---|---|---|---|---|---|---|
| Model Number | Rated Capacity | Screw Diameter | Turns of Worm for 1/2 Inch Raise | No Load Torque | Lifting Torque at Full Load | Worm Gear Ratio | Weight | Shell Cap and Housing |
| B9225MM-xxx | 1000 lbs. | .625 | 500 | 2 inch - lbs. | 18 inch - lbs | 20:1 | 2 lbs | Aluminum |
| B9225MMS-xxx | 1000 lbs. | .625 | 500 | 2 inch - lbs. | 18 inch - lbs | 20:1 | 3 lbs | Stainless Steel |
| Note: The load bearings inside stainless steel actuators are not stainless steel. Dimensions are subject to change without notice Part No. SK-3554-46 -Balanced dial reading 0-50-0 in .001" graduations with revolution counter. Part No. SK-3554-83 -Continuous dial reading 0-100 in .001" graduations with revolution counter. (Type of dial must be specified as above when ordering actuator.) | ||||||||
