(215) 639-1438

Quick-Change Parts


  • Computer design and manufacture
  • Ball bearing, quick-knob system
  • Highest quality, durable materials for long life
  • Smooth, routered edges
  • Custom applications


  • Less time wasted on changeovers
  • Simple and fast without tools
  • For most container shapes & sizes
  • Easy cleaning and maintenance

Quality starwheels and guides are CAD drawn and machined on CNC machines to insure proper bottle locations and tolerance. Change parts like our timing screws can be made out of many different materials and colors. We also have the capability of cutting guides up to 5′ x 10′ for any large products that may have to be done. Quick change systems are also available on any application with proper prints on machine.

Known the world over as the technological leader in the production of precision-engineered feed screws for all forms of packaging equipment, Ernst Timing Screw Co. brings the same unmatched design and quality to its quick change machine parts.

Ernst ball bearing, Quick-Knob system dramatically speeds up multi-line changeovers and reduces downtime! Line changeovers are simple, fast and smooth. No tools are required which means no stripped bolts or lost hardware.

Ernst change parts are computer-designed and manufactured from a wide range of durable materials including UHMW and PVC. Core parts are offered in stainless steel and 6061 T-6 aluminum which can be coated in different colored anodizing and hard coating. They offer long life, easy cleaning and maintenance.

Integrated with Ernst precision-engineered timing screws and drive units, Ernst Quick-Change parts help keep your entire packaging production line running smooth for maximum efficiency.

Let us show you our expertise and fast turnaround in designing individual replacement parts or complete quick change assemblies, custom designed for your specific requirements.