Perforated Sheet, Aluminum, 3003, 14 Gauge, Finish Mill, Hole Shape Round, Hole Pattern Staggered, Hole Dia. 0.250 In., Temper H14, Length 40 In., Width 36 In., Thickness 0.063 In., Center Spacing 3/8 In., Open Area 40 Percent, Length Tolerance +/-0.125 In., Width Tolerance +/-0.125 In., Thickness Tolerance +/- 0.004 In., Typical Hardness 40, Hardness Scale Brinell, Tensile Strength 22, Yield Strength 22 <br /> <b>Features</b> <ul> <li>Finish: Mill</li> <li>Gauge: 14</li> <li>Item: Perforated Sheet</li> <li>Length: 40&quot;</li> <li>Material: Aluminum</li> <li>Width: 36&quot;</li> <li>Tensile Strength: 22</li> <li>Thickness: 0.063&quot;</li> <li>Yield Strength: 22</li> <li>Alloy Type: 3003</li> <li>Temper: H14</li> <li>Length Tolerance: +/-0.125&quot;</li> <li>Thickness Tolerance: +/- 0.004&quot;</li> <li>Width Tolerance: +/-0.125&quot;</li> <li>Hole Dia.: 0.250&quot;</li> <li>Typical Hardness: 40</li> <li>Hardness Scale: Brinell</li> <li>Hole Shape: Round</li> <li>Hole Pattern: Staggered</li> <li>Center Spacing: 3/8&quot;</li> <li>Open Area: 40%</li> </ul>