Rieker induction hardening

Who we are and what we do


A company with 40 years of history

We are one of the largest and most successful induction hardening shops in Germany and Europe and have been in business for over 40 years. The company was founded by Rudolf Rieker in 1978 in Heilbronn, Germany. Thanks to our large range of machines and tools, we can handle almost any kind of induction heat treatment.


Experts in induction hardening and heat treatment


    We are certified in accordance with the latest DIN EN ISO 9001 standard, demonstrating that we have taken steps to ensure we can deliver consistently high levels of quality.


    The flexible solutions we’re developing today will address the challenges of tomorrow.


    Our team will support you throughout the process, from development through to the delivery of your finished products.


    If required, we can offer you a custom solution by manufacturing an induction coil designed specifically for your workpieces.

Take a look at more products and impressions!



We can clean (wash) and oil your components if you wish, and will be happy to advise you on materials or perform a materials analysis – just let us know what you need! We use state-of-the-art hardening techniques and systems, and make customer satisfaction our top priority. We promise to give you fair, professional advice and complete your order quickly and competently.

As well as induction hardening, we also offer the following services:

  • Carburising (in partnership with subcontractors)
  • Tempering
  • Annealing (stress-relief annealing, malleabilising, etc.)
  • Crack testing
  • Straightening


We know that customers only come back if they’re happy, so our motto is “top quality, on-time delivery and fair prices”.