5-Step Block, Metric 5A (2.5, 5.0, 7.5, 10.0, 12.5 mm)
- Alloy: 1018 Steel, Nickel-plated
- Condition: Exceeds ASTM E797 allowable tolerance of ±0.02 mm on step thickness.
- As an added bonus, our out-of-tolerance step blocks are certified with both nominal and as-built (actual) step thicknesses.
Perfect step blocks are certified as meeting the applicable specifications only, without as-built data included.