PTG Holroyd’s gear, rotor, thread and pump-screw milling and grinding machines produce the world’s most accurate helical components.
Powerstir Friction Stir Welding
PTG Friction Stir Welding’s Powerstir FSW machines enable manufacturers in sectors as diverse as automotive, aerospace and high-speed rail to create lightweight, superior, high-strength joints.
Holroyd Precision Rotors
From production facilities in the UK, USA and China, PTG Holroyd Precision Rotors uses PTG Holroyd machines to manufacture ultra-precise helical components, in batch sizes from prototype to high volume.