Wilson Industrial Rockwell Hardness Test Block, a Rockwell B scale standard rated 70.4 HRB, is used in industrial hardness testing and calibration systems to verify tester accuracy. This hardness verification block supports quality control and material inspection by providing a stable calibration reference for Rockwell hardness testing equipment in laboratory and industrial operations. Designed for mounting as a tester calibration reference, it ensures consistent measurements across Rockwell B testers and is compatible with Rockwell hardness testing equipment.
