What Hardness Level Can CNC Machines Handle Without Issues?

black oxide coating, cnc turning parts

Product developers often over-specify material hardness, driving up CNC costs without functional benefit. With experience machining aerospace and medical parts, we know exactly where performance meets manufacturing reality. HRC 40 is the practical limit for standard CNC tooling, while HRC 50+ requires specialized setups that double machining time and cost. Learn the real hardness thresholds […]

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