Innovation based on experience

Durferrit GmbH, Mannheim is a member of the international HEF Group. With more than 50 years of experience as experts in the field of tribology and surface engineering, the HEF Group develops and markets innovative solutions for customers and partners throughout the world.


HEF DURFERRIT are represented in the entire world. We are at your disposal in any kind of questions about technology transfers as well as about our extensive range of products in the field of consumables,  equipments and  surface technologies.

HEF Durferrit are premium supplier of bushings, nitriding salts and many other heat treatment chemicals for the nitrocarburizing, martempering, annealing, boriding and cleaning of metals.