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Flexbar 20533 | Rockwell B Scale Hardness Test Block | HRB 45, Square
Part Number : 20533
With a nominal hardness of HRB 45, Flexbar 20533 is a Rockwell B scale reference block. Flexbar lists the B scale blocks for a 1/16 in ball at 100 kg, covering HRB 35 to 95.
Key features
- Nominal hardness HRB 45
- For 1/16 in ball indenter, 100 kg load
- Square block, 2 x 2 in
- Heat- and cold-treated steel for repeatable readings
- Accuracy stated to exceed ASTM E10, E92 and E384
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