Products Overview：

• Hitech offers a vast array of different hardness test blocks for Rockwell, Brinell and Vickers scales,as  
  Hitech hardness test blocks are made of high grade materials to insure unmatched accuracy and repeat
  ability throughout the entire block.
• Hitech Hardness test block surfaces are precision ground and lapped to an average finish of less than
   2uin.
• Hardness Test blocks always engineered to obtain highly sensitive and accurate readings.
• Traceability to NIST is offered on HRC steel blocks

Rockwell Hardness Test Blocks (Steel)

Anvils: 20mm shank

Fits ModelsHR-150A,ADHR-150,CDHR-150

Anvils: 19mm shank

Fits Models HR-150A,HRS-150,HRRS-150

Penetrators: Carbide Ball