Precision Rotors

Absolute precision in rotor prototyping and production

From advanced production facilities in the UK, USA and China, PTG Holroyd Precision Rotors uses PTG Holroyd machine tools to manufacture ultra-precise helical components.

At the forefront of helical screw and rotor design and manufacturing for more than 60 years, we offer screw and rotor prototyping as well as batch and volume production. Working closely with our customers, we design and produce all types of helical forms.


Precision Rotor Milling Machines


Working with us means benefiting from our immense levels of application knowledge, design and manufacturing capability, along with unrivalled customer support. Our client base spans the aerospace, air compression, automotive, fluids processing and metering, HVAC (heating, ventilation and air conditioning), marine, motorsport, offshore and power transmission sectors.



Our services include

  • Component design and optimisation
  • Small-scale, batch and volume production
  • Rapid design and production of new profile types
  • Reduced development and process lead times
  • Extensive knowledge of steel, cast iron, aluminium, magnesium and exotic materials

Enquiry Form

Thanks for your interest in our technologies.

Download Form

Your download will start automatically after submitting.
Part of the CQME Group
of Companies.

Absolute Precision Makes All the Difference.

Choose your language
  • English
  • Deutsch
  • Chinese