PerforationOpen Area (%)H.P.S.I.IPA #PDF Drawing
.020 x .043 REV20%624.5100
.026 x .040 STG38%721.7
.029 x .109 REV6%97.2
.033 x .055 STR28%330.6103
.034 x .250 REV2%18.5
.040 x .059 STG42%331.7
.040 x .063 STR32%252.0
.040 x .066 STR29%229.6104
.040 x .088 STG19%149.1
.045 x .066 STR37%229.6105
.045 x .088 STG24%149.1
.050 x .141 REV11%58.1p302
.050 x .188 STG REV6%32.7
.052 x . 437 DIAG1%5.2
.062 x .093 STG40%133.5
.063 x .094 STG41%130.7
.063 x .125 STG23%73.9106
.066 x .093 STG46%133.5p312
.066 x .125 STG25%73.9106p305
.075 x .100 STG51%115.5p303
.078 x .109 STG46%97.2107
.078 x .125 STG35%73.9108p307
.078 x .250 STG9%18.5
.079 x .098 STG59%120.2
.093 x .156 STG32%47.4109
.093 x .188 DIAG19%28.3
.093 x .188 REV22%32.7
.093 x .188 STG22%32.7110p304
.093 x .250 REV13%18.5p301
.094 x .156 REV33%47.4110p315
.094 x .250 STG13%18.5111
.109 x .188 STG30%32.7
.125 x .188 STG40%32.7113
.125 x .218 STG30%24.3114
.125 x .250 DIAG20%16.0
.125 x .250 REV23%18.5
.125 x .250 STG23%18.5115p210
.125 x .250 STR20%16.0
.125 x .500 STG6%4.6
.127 x .188 STG41%32.7113p300
.127 x .218 STG31%24.3114p306
.127 x .250 STG23%18.5115p308
.156 x .188 STG62%32.7
.156 x .218 STG47%24.3116
.156 x .250 REV35%18.5
.156 x .312 STR20%10.3
.157 x .188 STG63%32.7p311
.157 x .218 STG47%24.3116p313
.157 x .250 STG36%18.5117p316
.187 x .250 REV51%18.5
.187 x .250 STG51%18.5118
.187 x .312 STG33%11.9119
.187 x .437 REV17%6.0
.188 x .250 STG51%18.5118P212c
.188 x .312 STG33%11.9119
.188 x .375 REV23%8.2
.188 x .375 STG23%8.2
.191 x .296 STG38%13.2
.191 x .312 STG34%11.9
.191 x .375 STG248.2
.250 x .312 STG58%11.9120p314
.250 x .375 STG40%8.2121p310
.250 X .375 STG REV40%8.2
.250 x .438 STG30%6.0122p328
.250 x .500 STG223%4.6123
.312 x .437 STG46%6.0
.375 x .191 STG51%4.6
.375 x .563 STG40%3.6125p317
.375 x .625 STG33%3.0126
.500 x .688 STG48%2.4128p309
.625 x .875 STG46%1.5p316