Verify the accuracy of your Brinell hardness tester with this certified and serial numbered reference standard.
- Manufactured and standardized in accordance with ASTM E10
- Calibrated with a 10mm diameter ball indenter, 3000kg load force
- Calibrated on a verified standardizing laboratory machine with load and stage micrometer traceable to NIST
- Plain carbon steel
- Dimensions: 4″ x 4″ x 0.75″
- Specify approximate hardness