Foundrax UKAS certified Brinell hardness reference blocks are directly traceable to PTB (Physikalisch-Technische Bundesanstalt) in Germany, they conform to ISO 6506 and ASTM E10 and our accredited uncertainty of measurement puts us at the top of the industry.
We were the first manufacturer in the UK to be officially recognised for the manufacture of Brinell hardness reference blocks and continue to lead the field for quality.
These 173cm surface area Brinell blocks are supplied with marked grids which make them easier to use, give the correct spacing between indentations and enable the indentation diameters to be recorded on the record card is supplied.
A variety of hardness ranges are available as standard allowing the user to select a block appropriate to their calibration and verification requirements.