Perforated Sheet Aluminum 3003 H14 Rectangle Appearance Pattern 40 in Overall Length Length Tolerance +/-0.125 in 36 in Overall Width Width Tolerance +/-0.125 in 0.063 in Thickness Thickness Tolerance +/-0.004 in Gauge 14 ga Center Spacing 0.187 in Hole Diameter 0.125 in Hole Pattern Staggered Hole Shape Round Fabrication Cold Finished Heat Treatment No Heat Treatment Heat Treatable No Mechanical Finish Mill Yield Strength 22 000 psi Tensile Strength 22 000 psi