Hardness Testing Machine Icon

Free Hardness Testing Machine icon for manufacturing documents. Transparent PNG, commercial use OK, no sign-up.

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Category: Measurement & Inspection · Updated 2026-09-22

About the Hardness Testing Machine

A hardness testing machine presses a standard indenter into a specimen under a set load and reads the resulting hardness value. Rockwell, Vickers, and Brinell types are common in metalworking quality labs.

Where to use this icon

• Material testing and inspection process diagrams
• Quality control lab layouts
• Calibration and test procedures

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