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Flexbar 20550 | NIST Traceable Rockwell C Test Block | HRCN 25, Round
Part Number : 20550
Flexbar 20550 is a NIST traceable Rockwell C scale test block listed at HRCN 25. Each block is supplied with a NIST traceable certificate, and the surface is ground, lapped and polished to a one-micron mirror finish.
Key features
- Listed value HRCN 25, Rockwell C scale
- NIST traceable certificate furnished with each block
- Ground, lapped and polished to a one-micron mirror finish
- Round steel block, heat and cold treated
- Accuracy stated to exceed ASTM E10, E92 and E384
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