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Liquid Nitriding

Liquid nitriding is a subcritical surface enhancement process with one of the longest track records of success of any case hardening technology.

PVD Coatings

PVD coatings involve the deposition of thin (2-10 microns; 0.0001" – 0.0004") films on the surface of tools and components.

Engineered Bushings

HEF bushings are recognized worldwide for their excellent frictional and anti-seizure properties, and ability to withstand high loads.

Engineered Bushings Product Portfolio:
Bushings and Sleeve Bearings

HEF offers a broad range of Steel, Non-ferrous and Composite Bushings designed to operate effectively under a diverse set of operating conditions. These operating conditions, which are key factors for to be considered for application specific bushings design, can be subdivided into several sub-categories, as indicated below.

Bushing Design Considerations
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