HK0.025 - ASTM E92 & ISO 4545

  • the micro-Knoop hardness reference blocks HK0.025 are manufactured and calibrated by Euro Product (UKAS 0441 accredited) in their own premises.
  • each block is measured with the greatest precision and comes with a factory certificate (ISO with traceability) according to ASTM E92 and ISO 4545
  • available in round blocks Ø30 x 10 mm
  • optional: for blocks conforming to standard specifications, with official UKAS certificate