The Induction Hardening Process
Induction hardening is a surface heating process used to harden only a specific target area of a metal component.
At WEP we use surface hardening to treat the thread-forming zone of tri-lobular fasteners. This is the element which forms a thread in a mating hole.
How it Works
The process allows for precise and localised heating which minimises the risk of distortion in other regions of the component. It is a very energy-efficient method, as heat is generated directly and solely at the part being treated, so reducing heat loss.
We utilise highly-specialised machinery for induction hardening fastener threads and selected zones. This leaves the core of the heat-treated fastener unaffected.
For Highly Punishing Applications
Our induction hardening process retains the core strength of thread-forming screws, making them suitable for the most punishing applications.
It can also extend the overall service life of parts through their extra wear resistance.
WEP’s range of metal finishes and pre-applied lubricants can be applied to hardened screws. This provides in-place corrosion resistance and controlled installation and prevailing torques.
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