Description
15 Hole aluminum reference standard, material 7075-T6, hole sizes: 1/8, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64, 1/4, 17/64, 9/32, 19/64, 5/16, 21/64, 11/32, 23/64. With .030 x .030 and .020 x .020 Corner EDM Notches. Includes Test Report and Certificate of Conformance.