Filters, Strainers, Perforated Sheet Metal. Robin J. Green Ltd  Unit 5,  Bartlett Mews, Pen Mill Trading Estate,  Yeovil,  Somerset.  BA21 5HR Tel: 01935 425400   Fax: 01935 433311   Mobile: 0771 4654354 Part Number             Hole size           Pitch              % Open area               Sheet size                  Thickness PERFORATED ALUMINIUM SHEET  15A                         1.50mm             2.50mm                     33                         2M x 1M                   1.00mm  21A                         2.00mm             3.50mm                     30                         2M x 1M                   1.00mm  31A                         3.00mm             5.00mm                     33                         2M x 1M                   1.00mm  41A                         3.00mm             5.00mm                     33                         2M x 1M                   1.50mm  51A                         5.00mm             8.50mm                     35                         2M x 1M                   1.50mm  65A                         6.00mm             9.00mm                     40                         2M x 1M                   1.50mm  80A                         8.00mm            12.00mm                    40                         2M x 1M                   2.00mm 100A                      10.00mm            15.00mm                    40                         2M x 1M                   2.00mm 152A                      15.50mm            21.00mm                    46                         2M x 1M                   2.00mm 202A                      20.00mm            28.00mm                    46                         2M x 1M                   2.00mm   STAINLESS STEEL 304 STAINLESS STEEL 316 MILD STEEL BRASS COPPER