Metal Perforation Patterns
Pattern Perfection From Hendrick
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.078" Diameter Round on .189" Centers15%Open Area
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.078" Diameter Round on .875" Centers1%Open Area
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.079" Diameter Round on .125" Centers38%Open Area
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.094" Diameter Round on .156" Centers33%Open Area
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.094" Diameter Round on .188" Centers23%Open Area
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.094" Diameter Round on .250" Centers13%Open Area
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.094" Diameter Round on .271" Centers11%Open Area
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.094" Diameter Round on .325" Centers8%Open Area
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.094" Diameter Round on .433" Centers4%Open Area
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.109" Diameter Round on .156" Centers.44%Open Area
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.109" Diameter Round on .172" Centers.36%Open Area
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.109" Diameter Round on .188" Centers.30%Open Area