Description
16 HOLE REFERENCE STANDARD 4340 CRES STEEL. 2 OF EACH HOLE SIZES: 3/16″, 13/64″ 7/32″ , 1/4″, 17/64″, 9/32″, 7/16″, 9/16″. .030″ x .030″ CORNER NOTCH IN 1st HOLE SET and .060″ x .020″ MID-WALL NOTCH IN 2nd HOLE SET. Tolerance: .006″ +/-.001″. Includ…