Screen wire weaving specification standards.

Particle Size / Screen Mesh Comparison

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Particle Size Tensil Bolting Cloth Market Grade U.S. Std. Sieve
                        Closest Opening
Inches Microns Mesh Opening Wire Dia. Open Area Mesh Opening Wire Dia. Open Area Std Sieve In Inches
    Inches Microns Inches Microns
.5000 12,700                        
.4375 11,112           2 .4370 11100 .0630 76.4%    
.3750 9525                        
.3125 7938                        
.2500 6350           3 .2790 7095 .0540 70.2%    
.2230 5664           4 .2030 5156 .0470 65.9% 3.5 .2205
.1870 4750           4 .1870 4750 .0630 56.0% 4 .1870
.1570 3988           5 .1590 4039 .0410 63.2% 5 .1575
.1320 3353           6 .1318 3348 .0348 62.7% 6 .1319
.1110 2819           7 .1080 2743 .0350 57.2% 7 .1102
.0937 2380           8 .0970 2464 .0286 60.2% 8 .0929
.0787 1999           10 .0750 1905 .0258 56.3% 10 .0787
.0730 1854           11 .0730 1854 .0180 64.5%    
.0661 1679 14 .0624 1586 .0090 76.4% 12 .0603 1533 .0230 52.4% 12 .0669
.0555 1410 16 .0535 1359 .0090 73.3% 14 .0514 1306 .0204 51.8% 14 .0551
.0469 1191 18 .0466 1183 .0090 70.2% 16 .0445 1130 .0181 50.7% 16 .0465
.0410 1041 20 .0410 1041 .0090 67.2%              
.0394 1001 22 .0380 964 .0075 69.7% 18 .0386 979 .0173 48.2% 18 .0394
.0331 841 24 .0342 868 .0075 67.2% 20 .0340 864 .0162 46.2% 20 .0335
.0310 787 26 .0310 786 .0075 64.8%              
.0278 706 28 .0282 717 .0075 62.4% 24 .0277 703 .0140 44.1% 25 .0280
.0268 681 30 .0268 682 .0065 64.8%              
.0248 630 32 .0248 629 .0065 62.7%              
.0234 594 34 .0229 582 .0065 60.7%           30 .0236
.0213 541 36 .0213 541 .0065 58.7% 30 .0203 516 .0128 37.1%    
.0197 500 38 .0198 503 .0065 56.7%           35 .0197
.0185 470 40 .0185 470 .0065 54.8%              
.0183 465 42 .0183 465 .0055 59.1%              
.0172 437 44 .0172 437 .0055 57.4% 35 .0176 447 .0118 37.9%    
.0165 419 46 .0162 411 .0055 55.8%           40 .0167
.0153 389 48 .0153 389 .0055 54.2% 40 .0150 381 .0104 36.0%    
.0145 368 50 .0145 368 .0055 52.6%              
.0139 353 52 .0137 349 .0055 51.0%           45 .0140
.0130 330 54 .0130 331 .0055 49.4%              
.0127 323 58 .0127 324 .0045 54.6%              
.0122 310 60 .0122 309 .0045 53.3%              
.0117 297 62 .0116 295 .0045 52.0%           50 .0118
.0111 282 64 .0111 283 .0045 50.7% 50 .0110 279 .0090 30.3%    
.0106 269 70 .0106 269 .0037 54.9%              
.0102 259 72 .0102 259 .0037 53.8%              
.0098 249 74 .0098 249 .0037 52.7%           60 .0098
.0095 241 76 .0095 240 .0037 51.7%              
.0091 231 78 .0091 232 .0037 50.6% 60 .0092 233 .0075 30.3%    
.0088 224 80 .0088 224 .0037 49.5%              
.0083 211 84 .0084 214 .0035 49.8%           70 .0083
.0079 201 88 .0079 200 .0035 47.9%              
.0076 193                        
.0070 178 94 .0071 181 .0035 45.0% 80 .0070 178 .0055 31.4% 80 .0071
.0065 165 105 .0065 166 .0030 46.9%              
.0059 150 120 .0058 148 .0025 49.0% 100 .0055 140 .0045 30.3% 100 .0059
.0049 124 145 .0047 119 .0022 46.4% 120 .0046 118 .0037 30.9% 120 .0049
.0041 104 165 .0042 106 .0019 47.1% 150 .0041 103 .0026 37.2% 140 .0042
.0035 88 200 .0034 86 .0016 46.2% 170 .0035 89 .0024 35.4% 170 .0035
.0029 74 230 .0029 75 .0014 45.9% 200 .0029 74 .0021 33.6% 200 .0030
.0025 64           250 .0024 61 .0016 36.0% 230 .0025
.0021 53           270 .0021 53 .0016 32.0% 270 .0021
.0017 43           325 .0017 43 .0014 29.7% 325 .0018
.0015 38           400 .0015 38 .0010 36.0% 400 .0015
.0010 25           500 .0010 25 .0010 25.0% 500 .0010
.0008 20           635 .0008 20 .0008 25.0% 635 .0008