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5-Step Ultrasonic Thickness Step Blocks are used for thickness and linearity calibration. In the inspection and manufacturing industries, Step Blocks are required to verify the measuring accuracy of Ultrasonic Thickness Gauges. Available in metric (millimeters) and imperial (inch) units, 5-step UT Step Blocks have 5 precision thicknesses in 3/4 x 3/4 inch (20 x 20 mm) “steps” along the block, marked for thickness values in inches or mm. Imperial step values are of .100, .200, .300, .400, and .500 inch; metric values are 2.5, 5.0, 7.5, 10.0, and 12.5 mm. PH Tool 5-Step Blocks conform to ASTM E797 – Standard Practice for Measuring Thickness by Manual Ultrasonic Pulse-Echo Contact Method.

All Ultrasonic Step Wedges are supplied with a certificate of calibration from the manufacturer, traceable to NIST (National Institute of Standards and Technology).

Ultrasonic Thickness Gauge Blocks are available in a variety of materials and thicknesses, with 4, 5, 8, or 10 steps, as well as custom-made (special order) sizes.

Give us a call for more information and pricing on any step blocks or other calibration blocks.