Description
Surface reference standard, Magnesium, with EDM notch depths of 0.008″, 0.020″, 0.030 and 0.040″ inches (0.2mm, 0.51mm, 0.76mm and 1.02mm). Reference standard overall dImensions 1 X 5 X 0.25 inches (2.54cm X 12.7cm X 6.35mm). EDM notches .007″ W MAX Includes Test Report and Certificate of Conformance.