Include your email if you'd like us to get back to you.
We've received your feedback, thank you!
hardness of a material, which is expressed by the Rockwell hardness number – HR, which is directly displayed on the dial, materjali kõvadus, mida väljendab Rockwelli kõvadusarv – HR, mis kuvatakse otse mõõtevahendi näidikul