Solid carbide drills surface
Solid carbide drills surface finishing by coatings
Solid carbide drills without surface finishing have quite good performance characteristics, which can be remarkably improved by providing them with a surface finishing by coating.
Therefore the nenok solid carbide drills are delivered with an especially powerful TiN coating or FIRE multi-layer coating.
TiN coating
- Titanium nitride coating is a thin wear-protection coating of golden yellow colour
- The single-layer titanium nitride coating is applied using the PVD method
- The hardness is 2300 HV
- The coating is suitable for a maximum application temperature of < 600 °C
FIRE coating
- The FIRE coating is a TiAlN/TiN multilayer coating in violet colour
- The hardness is 3300 HV
- The coating is suitable for a maximum application temperature of < 800 °C
Latest news

For more than 20 years, Nenok has been dedicated to the used machinery business and has become the leading supplier of well-preserved used structural steel machinery. With an all-round service for…

For over 20 years Nenok is a well-known partner in the field of used structural steel machinery.In addition to the use of new structural steel machinery, the steel construction market has always…

Nenok wishes you a healthy and successful new year 2021.We continue to look forward to a good and fair cooperation around all topics regarding used machines and tools for steel processing.Unfortun…

The Nenok Team wishes all its business partners, customers and their employees a peaceful Christmas Season and a good start to the New Year! Keep your confidence and humour – and together we will…