Description
4 HOLE REFERENCE STANDARD. Material: 4130 or 4340 Carbon Steel 10″ x 3.5″ x .375″ , HOLE SIZES: 1.25″, 1.50″, 1.75″, 2.00″. EDM NOTCH: .030″ x .030″ x .005 ± .001″ CORNER NOTCH IN EACH HOLE. Includes Test Report and Certificate of Conformance.