Aluminum 3003-Super Spring Perforated Sheet, ASTM-B209-04, Staggered 0.117" Round Perfs, 5/32" Center Spacing, 0.032" Thick, 12" Width, 24" Length
As a screening medium, Perforated Metal has many advantages.  Its holes are accurate and uniform in size, shape and spacing. Its surface is smooth, firm, easily cleaned and sterilized. Aluminum Type 3003 H14 is lightweight, and can be easily shaped and painted. 0.117 In. Round Perforations On 5/32 In.  Straight Centers