Micro-miniature Industrial Linear Actuator
Micro-miniature Industrial Linear Actuator

Mini Screw Jacks

Micro-miniature Industrial Linear Actuator
Micro-miniature Industrial Linear Actuator

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 and 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.)