Re: Which Rounded Nut/Bolt Remover
HRC 50-53 = Hardened to Rockwell Scale C 50 to 53.
Domestic kitchen knives are 52 to 54 and will bend rather than break. The professional knives are 56 to 58.
The hardness is measured by how far an indenter goes into the steel with a given force.
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Last edited by nkaminar; 01-16-2025 at 07:51 AM.
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