Description
12 HOLE REFERENCE STANDARD 7075-T6 ALUMINUM. HOLE SIZES: 1/8″, 5/32″, 3/16″, 7/32″ 1/4″ , 5/16″, 3/8″, 7/16″, 1/2″, 9/16″ 5/8″, 3/4″ .030″ x .030″ CORNER EDM NOTCH and .020″ MID-WALL EDM NOTCH IN EACH HOLE. Tolerance: .005″ +/-.001″. Includes Test Report and Certificate of Conformance.