Description
12 HOLE REFERENCE STANDARD 4130 OR 4340 CARBON STEEL WITH 0.020″ x 0.020″ and 0.030″ x 0.030″ CORNER EDM NOTCH. HOLE SIZES: 1/8, 5/32, 3/16, 13/64, 7/32, 5/64, 1/4, 17/64, 9/32, 19/64, 5/16, 21/64. Includes Test Report and Certificate of Conformance.