• DWS.1005
  • DWS.1756
  • DWS.2502
  • DWS.250E2
  • DWS.375E5

Hardened steel ball

This is a hardened steel ball with a diameter of 3 mm, such as those used in ball bearings. After the hardening process, the hardness test can be carried out more easily on the separated ball.

Carbide insert

This is a carbide insert which may be defective during manufacture. This can be checked after one or more fine cut-offs.

Coin

This is a coin (10 cents) that has been cut into three slices using two fine saw cuts. It should be noted that the coin must also be clamped (held). In this case with special wax on a ceramic disk.