Hardnesstestblock is the best Standard Rockwell test blocks regular scales, Rockwell hardness test blocks, Rockwell hardness standard test block supplier, manufacturer, Distributor Company in India, UK, Brazil, France, Germany, Japan, South Korea, Netherland, UAE, Mexico, Russia, Turkey, Australia, USA, Singapore, Italy, Poland, China, Spain, Portugal

Features
Calibrated as per ISO 6508-3, IS 1586 (Part 3) and/or ASTM E18 (Annex A4)
Calibrated at Fmi Calibration Laboratory, NABL accredited (ISO/IEC 17025:2017)
Specially curated high-quality steel, aluminium and brass material
Specially designed heat treatment and cryogenic treatment to achieve maximum long term hardness stability, consistency and repeatability