Description

Aluminum Multi-hole reference standard. Material: 7075-T6 Aluminum. Contains 10 hole sizes; 1/8 inch (3.175mm), 3/16 inch (4.74mm),1/4 inch (6.35mm), 5/16 inch (7.92mm), 3/8 inch (9.52mm), 7/16 inch (11.09mm), 1/2 inch (12.7mm), 9/16 inch (14.27mm), 5/8 inch (15.87mm), 3/4 inch (19.05mm); Each hole contains a 0.020″ (+/-10%) surface to surface thru EDM notch and a .030 x .030 Corner EDM Notch. Item also contains 3 surface flaws 0.750 inch long X 0.040 inch, 0.020 inch & 0.010 inch deep and .007″ Max Width. Includes Test Report and Certificate of Conformance.