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Hardness testers

-Hardness is the resistance of a material against the intrusion of another (harder) body-

We manufacture the various diamond indenters according to applicable procedures and standards.

The geometry of the diamond indenter to measure hardness is determined by the respective standard:

Hardness measurement according to:


 cone 120° with radius r = 0.200m


pyramid 148°7` edge angle / 136° surface angle


 rhomboid with 130° respectively 172°30` edge angle


3-sided pyramid (tetrahedron)

The diamonds are set using a high strength, non-rebounding bond for the normal hardness testing machines.
  • Standard types for laboratory equipment
  • Special mounts for automatic machines and special devices


Stroh Diamantwerkzeuge GmbH
Kinzigheimer Weg 2e
D-63486 Bruchköbel
Phone: 06181/9740-0