4S-304

UT 4-STEP CALIBRATION BLOCK (IMPERIAL)

The 4-step block is used to calibrate thickness and linearity. The steps are 0.250″/6.25mm, 0.500″/1205mm, 0.750″/18.75mm and 1.000″/25mm thick with each step face measuring 0.750 “x0.750″/20mmx20mm. The block is manufactured in accordance with ASTM E797. If required, we offer customization for additional and larger steps.