Description
Surface reference standard, 4340 Steel, with EDM notch depths of 0.5mm”, 1.0″ and 2.0mm +/-1.3mm, Notch Width: .18mm Max. Depth: +/- .03mm. Reference standard overall dImensions 25.4mm X 101.6mm X 6.4mm). Includeds .020″ thick shim and Key Ring. Supplied with Test Report and Certificate of Conformance.