Architectural Metal Perforation Patterns
A Whole Lot of Holes
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.500" Cloverleaf50%Open Area
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.500" Dia. X .688" Centers48%Open Area
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.500" Dia. X .750" Centers40%Open Area
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.500" Dia. X 1.000" Centers23%Open Area
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.500" Dia. X 1.000" Straight Centers20%Open Area
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.500" Hex. X 1.000" Centers25%Open Area
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.500" Sqr. X .688" Straight Centers53%Open Area
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.500" Sqr. X 1.000" Straight Centers25%Open Area
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.500" x 1.000" Ellipse on 1.500" Centers26%Open Area
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.563" Dia. X .750" Centers51%Open Area
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.625" Dia. X .813" Centers54%Open Area
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.750 Dia. X 1.250" Centers33%Open Area