15N Rockwell Hardness Test Block - Certified Calibration Standard for Metal Testing | Perfect for Quality Control Labs & Manufacturing Industries

Available in  N-Diamond 15Kg (Round) HR15Ns from 72 to 91.5.

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

Round Blocks - 2½" diameter.

Accuracy exceeds ASTM E10, E92 and E384 Standards.

 N-Diamond 15Kg (Round)