UK Calibrations Limited can supply you with all your UKAS accredited reference hardness block requirements.

All reference hardness blocks supplied by UK Calibrations Limited will meet the latest UKAS requirements for BS EN ISO and ASTM requirements

All reference hardness blocks are manufactured in Britain and are all supplied with traceable UKAS certification.

Custom made reference hardness blocks can be produced from material you supply, to meet any individual product checks you may require.

Please contact us for more information.