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Flexbar 20520 | A Scale Rockwell Hardness Test Block | HRA 28.5
Part Number : 20520
The Flexbar 20520 round test block is rated HRA 28.5 on the Rockwell A scale (A-diamond, 60 kg). The steel is heat and cold treated to give consistent, repeatable readings.
Key features
- Value: HRA 28.5
- Round block, 2 1/2 in diameter
- Flexbar states accuracy exceeds ASTM E10, E92 and E384
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