Description
Olympus Style Aluminum multi-hole reference standard. Contains 11 hole sizes; 16.5mm, 17.0mm, 17.5mm, 18.0mm, 18.5mm, 19.0mm, 19.5mm, 20.0mm, 20.5mm, 21.0mm, and 21.5mm hole diameters. EDM notch = 0.5mm corner EDM notch and 0.5mm deep in each hole, length is half of the material thickness. Material: 7075-T76 Aluminum 15mm Thick. Includes Test Report and Certificate of ConformanceTraceable to NIST..