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Wählen Sie Ihre Region und Sprache
world-map-apac
APAC
English
Additional Websites
中国 (中文)
world-map-ausnz
Australia
English
world-map-na
North America
English
Additional Websites
Canada (FR)
world-map-la-north
Latin America - North
English
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America Latina (ES)
world-map-la-south
Latin America - South
English
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America Latina (ES) Brasil (PT)
Micro-miniature Actuator Photo
Micro-miniature Actuator Photo

Mini Screw Jacks

Screw Jacks

Micro-miniature Actuator Photo
Micro-miniature Actuator Photo

Up to 1,000 lbs. capacity.

Up to 1,000 lbs. capacity. Duff-Norton miniature screw jacks allow for extremely fine adjustments. These small screw jacks are equipped with anti-backlash nuts to minimize vertical backlash between the screw and worm gear nut. The manual operation is accomplished with an easy-to-use hand knob. The dial indicator is protected by a removable clear plastic cover.

Features & Benefits

FEATURES & BENEFITS

Micro-Miniature Actuators 500 to 1,000 lbs.

Extreme Precision

Micro-Miniature actuators allow for extremely fine adjustments.

Minimized Vertical Backlash

These Micro-Miniatiure actuators are equipped with anti-backlash nuts to minimize vertical backlash between the screw and worm gear nut.

Manual Operation

The manual operation is accomplished with an easy-to-use hand knob.

Dial Indicator Available

Dial indicators available upon request. The dial indicator is protected by a removable clear plastic cover.

Stainless Steel Option

Available with sealed 316 stainless steel shell cap, housing, worm and lifting screw.

Corrosion-resistant

Corrosion-resistant materials

Options

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.)

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.

Grouping of Duff-Norton screw jacks