NON-STANDARDPERFORATED METAL12www.directmetals.com800.711.4939Types of PerforationsSLOTS - SIDE STAGGERSLOTS - END STAGGERSLOTS - STRAIGHTROUND PERFORATIONSSTAGGEREDROUND PERFORATIONSSTRAIGHT LINE PATTERNROUND PERFORATIONS45 DEGREE PATTERNPERFORATED STOCK SIZE SHEETOR PLATE WITH MINIMUM MARGINSSHEET OR PLATE RESHEARED AFTERPERFORATING WITH MARGINS AS SPECIFIEDSTANDARDSQUARE PERFORATIONS-STAGGEREDSQUARE PERFORATIONS-STRAIGHT
13800.711.4939www.directmetals.comPERFORATED METALTool List Perforations Type Holes Open (inches) Centers PSI Area .020 Straight 825 30% .020 Staggered 625 23% .023 Straight 576 24% .023 Staggered 400 18% .027 Straight 400 23% .027 Staggered 320 18% .033 Staggered 225 19% .033 Straight 330 29% .040 Straight 225 30% .040 Staggered 186 23% .041 Staggered – 32% .043 Staggered – 35% .045 Straight 225 37% .045 Staggered 169 28% .050 Straight 144 33% .050 Staggered 115 26% .055 Straight 144 33% .055 Staggered 135 30% .058 Straight 144 38% .058 Staggered 115 35% Perforations Type Holes Open (inches) Centers PSI Area .100 5/32" Staggered 36% .100 9/64" SL 45% .109 3/16" Staggered 29% .109 7/32" Staggered 23% .109 5/32" Staggered 45% .113 7/32" Staggered 25% .117 3/16" Staggered 33% .117 7/32" Staggered 27% .117 5/32" Staggered 50% .125 3/16" Staggered 40% .125 3/16" SL 28% .125 7/32" Staggered 29% .125 1/4" Staggered 23% .125 1/4" SL 20% .125 5/16" SL 11% .141 3/16" Staggered 51% .141 7/32" Staggered 38% .141 1/4" Staggered 28% .148 1/4" Staggered 30% .148 7/32" Staggered 30% .156 3/16" Staggered 62% .156 7/32" Staggered 46% .156 1/4" Staggered 36% .156 9/32" Staggered 28% .156 17/64" SL 26% .156 3/8" Staggered 15% .172 1/4" Staggered 43% .172 3/8" Staggered 19% .172 9/32" Staggered 33% .180 9/32" Staggered 35% .188 7/32" Staggered 66% .188 1/4" Staggered 51% .188 9/32" Staggered 41% .188 5/16" Staggered 33% .188 1/4" SL 55% .188 9/16" SL 12% .203 9/32" Staggered 47% .219 5/16" Staggered 45% .219 11/32" Staggered 36% Perforations Type Holes Open (inches) Centers PSI Area .063 3/32" Staggered 40% .063 1/10" Straight 30% .063 7/64" Staggered 30% .063 1/8" Staggered 23% .067 1/8" Staggered 28% .071 1/8" Staggered 30% .077 7/64" Staggered 45% .078 1/8" Staggered 36% .079 7/64" Straight 45% .083 1/8" Staggered 37% .083 5/32" Staggered 26% .093 9/64" Staggered 40% .093 5/32" Staggered 33% .093 11/64" Staggered 26% .093 3/16" Staggered 23% .093 3/16" SL 20% .093 17/64" (45°) Staggered 11% .093 1/4" Staggered 13% 13800.711.4939www.directmetals.comPERFORATED METALTool List Perforations Type Holes Open (inches) Centers PSI Area .020 Straight 825 30% .020 Staggered 625 23% .023 Straight 576 24% .023 Staggered 400 18% .027 Straight 400 23% .027 Staggered 320 18% .033 Staggered 225 19% .033 Straight 330 29% .040 Straight 225 30% .040 Staggered 186 23% .041 Staggered – 32% .043 Staggered – 35% .045 Straight 225 37% .045 Staggered 169 28% .050 Straight 144 33% .050 Staggered 115 26% .055 Straight 144 33% .055 Staggered 135 30% .058 Straight 144 38% .058 Staggered 115 35% Perforations Type Holes Open (inches) Centers PSI Area .100 5/32" Staggered 36% .100 9/64" SL 45% .109 3/16" Staggered 29% .109 7/32" Staggered 23% .109 5/32" Staggered 45% .113 7/32" Staggered 25% .117 3/16" Staggered 33% .117 7/32" Staggered 27% .117 5/32" Staggered 50% .125 3/16" Staggered 40% .125 3/16" SL 28% .125 7/32" Staggered 29% .125 1/4" Staggered 23% .125 1/4" SL 20% .125 5/16" SL 11% .141 3/16" Staggered 51% .141 7/32" Staggered 38% .141 1/4" Staggered 28% .148 1/4" Staggered 30% .148 7/32" Staggered 30% .156 3/16" Staggered 62% .156 7/32" Staggered 46% .156 1/4" Staggered 36% .156 9/32" Staggered 28% .156 17/64" SL 26% .156 3/8" Staggered 15% .172 1/4" Staggered 43% .172 3/8" Staggered 19% .172 9/32" Staggered 33% .180 9/32" Staggered 35% .188 7/32" Staggered 66% .188 1/4" Staggered 51% .188 9/32" Staggered 41% .188 5/16" Staggered 33% .188 1/4" SL 55% .188 9/16" SL 12% .203 9/32" Staggered 47% .219 5/16" Staggered 45% .219 11/32" Staggered 36% Perforations Type Holes Open (inches) Centers PSI Area .063 3/32" Staggered 40% .063 1/10" Straight 30% .063 7/64" Staggered 30% .063 1/8" Staggered 23% .067 1/8" Staggered 28% .071 1/8" Staggered 30% .077 7/64" Staggered 45% .078 1/8" Staggered 36% .079 7/64" Straight 45% .083 1/8" Staggered 37% .083 5/32" Staggered 26% .093 9/64" Staggered 40% .093 5/32" Staggered 33% .093 11/64" Staggered 26% .093 3/16" Staggered 23% .093 3/16" SL 20% .093 17/64" (45°) Staggered 11% .093 1/4" Staggered 13%
14www.directmetals.com800.711.4939Tool List Perforations Type Holes Open (inches) Centers PSI Area .391 9/16" Staggered 45% .406 9/16" Staggered 47% .406 5/8" Staggered 42% .422 13/16" Staggered 25% .422 5/8" Staggered 27% .430 5/8" Staggered 30% .438 9/16" Staggered 54% .438 5/8" Staggered 45% .438 3/4" Staggered 30% .445 5/8" Staggered 47% .453 11/16" Staggered 47% .469 5/8" Staggered 47% .469 3/4" Staggered 38% .484 11/16" Staggered 42% .500 11/16" Staggered 47% .500 3/4" Staggered 40% .500 7/8" Staggered 30% .500 1" SL 20% .531 3/4" Staggered 45% .531 3/16" Staggered 40% .547 3/4" Staggered 42% .547 3/4" Staggered 45% .563 3/4" Staggered 51% .578 3/4" Staggered 55% .594 13/16" Staggered 48% .625 13/16" Staggered 53% .625 7/8" Staggered 47% .641 7/8" Staggered 50% .656 7/8" Staggered 50% .688 15/16" Staggered 50% .750 1" Staggered 51% .750 15/16" Staggered 55% .750 1-1/8" Staggered 40% .781 1" Staggered 53% .813 1-1/16" Staggered 50% .875 1-1/8" Staggered 54% 1.00 1-1/4" Staggered 58% 1.00 1-3/8" Staggered 48% Perforations Type Holes Open (inches) Centers PSI Area .219 9/16" Staggered 15% .219 7/16" SL 23% .223 11/32" Staggered 39% .234 5/64" Staggered 52% .234 11/32" Staggered 42% .234 3/8" Staggered 35% .242 3/8" Staggered 37% .250 5/16" Staggered 58% .250 11/32" Staggered 48% .250 3/8" Staggered 40% .250 1/2" Staggered 22% .250 1/2" SL 20% .250 1" SL 5% .258 7/16" Staggered 30% .258 3/8" Staggered 45% .266 3/8" Staggered 46% .281 3/8" Staggered 50% .281 13/32" Staggered 44% .297 7/16" Staggered 42% .305 7/16" Staggered 45% .313 3/8" Staggered 62% .313 7/16" Staggered 47% .316 7/16" Staggered 49% .320 1/2" Staggered 45% .328 7/16" Staggered 50% .328 1/2" Staggered 45% .336 1/2" Staggered 47% .344 15/32" Staggered 48% .344 1/2" Staggered 43% .352 1/2" Staggered 45% .359 15/32" Staggered 50% .359 17/32" Staggered 41% .359 3/4" Staggered 21% .367 9/16" Staggered 36% .375 1/2" Staggered 51% .375 17/32" Staggered 45% .375 9/16" Staggered 40% .375 5/8" Staggered 33% .375 11/16" Staggered 27% .383 9/16" Staggered 42%PERFORATED METAL 14www.directmetals.com800.711.4939Tool List Perforations Type Holes Open (inches) Centers PSI Area .391 9/16" Staggered 45% .406 9/16" Staggered 47% .406 5/8" Staggered 42% .422 13/16" Staggered 25% .422 5/8" Staggered 27% .430 5/8" Staggered 30% .438 9/16" Staggered 54% .438 5/8" Staggered 45% .438 3/4" Staggered 30% .445 5/8" Staggered 47% .453 11/16" Staggered 47% .469 5/8" Staggered 47% .469 3/4" Staggered 38% .484 11/16" Staggered 42% .500 11/16" Staggered 47% .500 3/4" Staggered 40% .500 7/8" Staggered 30% .500 1" SL 20% .531 3/4" Staggered 45% .531 3/16" Staggered 40% .547 3/4" Staggered 42% .547 3/4" Staggered 45% .563 3/4" Staggered 51% .578 3/4" Staggered 55% .594 13/16" Staggered 48% .625 13/16" Staggered 53% .625 7/8" Staggered 47% .641 7/8" Staggered 50% .656 7/8" Staggered 50% .688 15/16" Staggered 50% .750 1" Staggered 51% .750 15/16" Staggered 55% .750 1-1/8" Staggered 40% .781 1" Staggered 53% .813 1-1/16" Staggered 50% .875 1-1/8" Staggered 54% 1.00 1-1/4" Staggered 58% 1.00 1-3/8" Staggered 48% Perforations Type Holes Open (inches) Centers PSI Area .219 9/16" Staggered 15% .219 7/16" SL 23% .223 11/32" Staggered 39% .234 5/64" Staggered 52% .234 11/32" Staggered 42% .234 3/8" Staggered 35% .242 3/8" Staggered 37% .250 5/16" Staggered 58% .250 11/32" Staggered 48% .250 3/8" Staggered 40% .250 1/2" Staggered 22% .250 1/2" SL 20% .250 1" SL 5% .258 7/16" Staggered 30% .258 3/8" Staggered 45% .266 3/8" Staggered 46% .281 3/8" Staggered 50% .281 13/32" Staggered 44% .297 7/16" Staggered 42% .305 7/16" Staggered 45% .313 3/8" Staggered 62% .313 7/16" Staggered 47% .316 7/16" Staggered 49% .320 1/2" Staggered 45% .328 7/16" Staggered 50% .328 1/2" Staggered 45% .336 1/2" Staggered 47% .344 15/32" Staggered 48% .344 1/2" Staggered 43% .352 1/2" Staggered 45% .359 15/32" Staggered 50% .359 17/32" Staggered 41% .359 3/4" Staggered 21% .367 9/16" Staggered 36% .375 1/2" Staggered 51% .375 17/32" Staggered 45% .375 9/16" Staggered 40% .375 5/8" Staggered 33% .375 11/16" Staggered 27% .383 9/16" Staggered 42%PERFORATED METAL