Tetrabond™ DLC

Non-hydrogenated DLC Coating

Tetrabond™ DLC is highly suited for machining abrasive materials such as graphite and high silicon content (>12%) aluminium alloys, composite materials and PEEK.

For complex tool geometries and a broad range of carbides

The thin, extremely hard coating is designed to maintain maximum cutting edge sharpness. Tetrabond™ can be applied to complex tool geometries, brazed tooling and can be deposited on carbides and HSS materials. Its very low coefficient of friction exhibits excellent performance in machining a wide range of sticky materials.

Technical data




Coating thickness

0.5 - 2 μm

Service Temp.

750 °C

Deposition Temp.

below 300 °C

Hardness HV 0.05

> 5000

Deposition method

proprietary PVD Arc

Friction vs. steel, dry

< 0.15


dark grey