Metal Perforation Patterns
Pattern Perfection From Hendrick
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.109" Diameter Round on .219" Centers.22%Open Area
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.109" Diameter Round on .271" Centers.15%Open Area
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.117" Diameter Round on .156" Centers.51%Open Area
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.117" Diameter Round on .271" Centers.17%Open Area
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.125" Diameter Round on .188" Centers40%Open Area
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.125" Diameter Round on .219" Centers30%Open Area
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.125" Diameter Round on .250" Centers23%Open Area
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.125" Diameter Round on .325" Centers13%Open Area
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.125" Diameter Round on .375" Centers10%Open Area
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.125" Diameter Round on .379" Centers10%Open Area
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.125" Diameter Round on .433" Centers8%Open Area
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.125" X 1.000" on .250" Slot43%Open Area