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<p>[QUOTE=&quot;mithril21, post: 3495457, member: 102153&quot;]Yes, thank you. As I previously said, they would never check the hardness on the actual striking face of the die. They would check the hardness on the side using the Rockwell “C” scale which uses a diamond shaped indenter (instead of the 1/16” diameter ball indenter used for the planchet) and then perform a roundness correction per ASTM E18 based on the diameter of the die and the hardness. The hardness indent on the side of the die will not effect the die or make it unusable.[/QUOTE]</p><p><br /></p>

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