NIST Traceable Rockwell Test Blocks (C Scale)

SKU 20550

Available in HRCN 25 to 63.


Manufactured from the highest quality steel with a special heat treat and cold treat process which insures maximum consistency and repeatability.

The NIST Traceable Test Blocks for the Rockwell "C" scale will provide complete traceability to NIST. These test blocks are ground, lapped and polished to a mirror finish of one micron.

A NIST Traceable Certificate is furnished with each block at no charge.


Available in Rockwell "C" scale. Blocks are round.   

Accuracy exceeds ASTM E10, E92 and E384 Standards.