Duff-Norton has been manufacturing acme screws and ball screws and nuts for actuator products for decades. Those years of experience are now being applied to bring you a large range of screws and nuts to meet your linear motion applications and requirements.

Acme Screw Systems offer;

  • Centralizing Class Acme Screws are used extensively for feed screws. The limited clearance enables a bearing at the major diameter to maintain alignment of the thread axis preventing wedging on the flanks and part sagging.
  • Excellent Lead Accuracy
  • Smooth Finish

Ball Screw Systems offer;

  • Excellent Load Ratings
  • 90% Efficient for low power requirements
  • Long and predictable life ratings
  • Excellent Lead Accuracy

Bevel Gearboxes

Power transmission systems frequently use multiple screw jack arrangements. Such systems commonly use bevel gearboxes to effectively…


Ball Screws & Nuts

Key Features & Benefits Duff Norton has been manufacturing Ball Screws and Nuts for actuator products for…


Acme Screws & Nuts

Key Features & Benefits Duff-Norton has been manufacturing Acme screws and nuts for actuator products for decades…


Linear Motion Components

Duff-Norton offers all of the components necessary to complete your linear motion system, whether it consists of…