High quality hardness standard test blocks
1.Conforms to National standard " calibration of hardness reference blocks"
2.High homogenization and nice repeatability.
Standard metal hardness block is a standard instrument for indicating the value of the metal hardness tester, which is made of high quality material, which can ensure the reliability and stability of the hardness value.
Rockwell hardness block,Superfical rockwell hardness block,Brinell hardness block,Hammer hitting brinell hardness block,Portable brinell hardness block,Vickers hardness block,Micro hardness block,Leeb hardness block etc.