HV5 - ASTM E384 & EN ISO 6507

The Macro Vickers hardness reference blocks HV5 are manufactured and calibrated by Euro Product in their own premises. Each block is measured according to the highest levels of precision and comes with a certificate of factory according to ASTM E384 & EN ISO 6507. As an option, each block can be supplied with an official certificate UKAS and/or marked with a hexagonal grid of 2 mm for easy test.