About Us – Our Expertise

quench Holt Bros are highly proficient in:

  • Minimising distortion in all sizes and shapes of components
  • Processing large and/or difficult shapes
  • Stress relieving and straightening long shafts
  • Carburising and hardening very large components (up to 5 tonnes)
  • Carburising and hardening small delicate components uniformly, reproducible and with minimal distortion
  • Nitriding large components and nitriding to greater case depths
  • Aerospace – Wide range of NADCAP accredited plant and processes