Description
12 HOLE REFERENCE STANDARD 4340 STEEL.Hole Sizes: 6.35mm, 5.54mm, 4.75mm, 3.96mm, 3.18mm, 2.36mm. (1/4″, 7/32″, 3/16″, 5/32″, 1/8″, 3/32″), 0.5mm x 0.5mm x 0.15mm (.0197″ X .0197″ x.0059″)WIDE CORNER EDM NOTCH EACH HOLE and 3 SURFACE EDM NOTCHES 0.2mm, 0.5mm, 1.0mm DEEP 0.15mm WIDE +/- .0254mm(.001″). Includes Test Report and Certificate of Conformance.