Micro Hardness & Vickers Standards
The accuracy, stability and consistency of Sun-Tec Hardness Standards result in a reliable method of verifying your hardness tester.
Manufactured in the U.S.A. and calibrated in the Sun-Tec standardization laboratory to NIST or ASTM Standards, Sun-Tec Hardness Standards help maintain and assure the accuracy of your Hardness Tester.
Please call or e-mail with hardness value!