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Duff-Norton

Machine Screw
Actuator

¼ ton – 350 tons

Inch & Metric

Standard & custom engineered

Precise positioning within 0.001

Uniform lifting speeds

Ball Screw
Actuator

Up to 50 tons

Move loads more efficiently than

other screw jacks

Permit faster operation and longer

life under load

Continuous
Duty Cycle

Designed for continuous

operationOil lubricated for high

efficiency & long life

Anti-Backlash

Features separate anti-backlash nut

Reduces backlash to less than 0.001

Available in metric and/or S.S.

Stainless Steel

For use in severe environments

Corrosion resistant

For loads up to 100 tons

For full load rating, please

request 17-4 PH worm

Microminiature

Extreme precision in compact

package

Allows for very fine adjustment

Equipped with anti-backlash nuts

Duff-Norton is division of the Columbus McKinnon Corporation of Amherst, New York. The international marketing and manufacturing firm known today as Duff-Norton was born in the mind of an enterprising riverboat captain, Josiah Barrett in 1883. Duff-Norton has earned a reputation for reliable, high quality products that meet the industrial lifting, positioning and transfer needs of our worldwide customers. Both our standard and custom designed products are subjected to the same rigorous testing throughout the design process to assure maximum performance and quality.

原品设计 │ 陕ICP证 100000752 号