Rockwell

Test Blocks

Our Ready Block program* ensures constant availability of over 40 of our most popular Rockwell test blocks, across 12 different scales, and covering a wide variety of nominal hardness ranges! Compliant to ASTM E18 and ISO 6508, all of our test blocks are shipped with a NVLAP 17025 Certificate of Calibration, included at no additional fee. Place your order by 2:00 pm EST, and we will ship the same day!** 

*Ready Block Program is only available in the United States. 

*Orders received after 2:00 pm EST, excluding holidays, will ship the following business day. Immediate shipping applies only to test blocks listed in the Wilson Ready Block program and to orders within the United States.

Download our Ready Block Conversion Chart.

Comprehensive selection of all Rockwell scales and nominal hardness ranges also availalble. Contact us for more information.

Indenters and Calibration Sets

Wilson^® Hardness also provides a full range of NVLAP certified diamond and ball indenters to accomodate each scale of Rockwell hardness testing. For ultimate accuracy and performance in tester verification, calibration sets are available in most scales. Precision calibrated and verified, calibration sets provide a high degree of uniformity through tighter tolerance components.