Description
Fine quality sieves of 20 mm (8″) diameter made from brass with rolled top periphery. All sieves with fine mesh are made from stainless steel and the coarse ones are punched from sheet. The sieves are stackable.
| Code | B.S.S. | A.S.T.M | I.S.S. | Microns | Millimetres |
| 01 | 4 | 5 | 480 | – | 7.75 |
| 02 | 5 | 6 | 340 | 1812 | 3.33 |
| 03 | 6 | 7 | 280 | 2411 | 2.80 |
| 04 | 7 | 8 | 240 | 2207 | 2.36 |
| 05 | 8 | 10 | 200 | 2057 | 2.00 |
| 06 | 10 | 12 | 170 | 1698 | 1.70 |
| 07 | 12 | 14 | 140 | 1005 | 1.40 |
| 08 | 14 | 16 | 120 | 1200 | 1.18 |
| 09 | 16 | 18 | 100 | 1000 | 1.00 |
| 10 | 18 | 20 | 85 | 850 | 0.850 |
| 11 | 22 | 25 | 70 | 710 | 0.710 |
| 12 | 25 | 30 | 60 | 600 | 0.600 |
| 13 | 30 | 35 | 50 | 500 | 0.500 |
| 14 | 36 | 40 | 40 | 425 | 0.425 |
| 15 | 44 | 45 | 35 | 355 | 0.355 |
| 16 | 52 | 50 | 30 | 300 | 0.300 |
| 17 | 60 | 60 | 25 | 250 | 0.250 |
| 18 | 72 | 70 | 20 | 212 | 0.212 |
| 19 | 85 | 80 | 18 | 180 | 0.180 |
| 20 | 100 | 100 | 15 | 150 | 0.150 |
| 21 | 120 | 120 | 12 | 125 | 0.125 |
| 22 | 150 | 140 | 10 | 106 | 0.106 |
| 23 | 170 | 170 | 9 | 90 | 0.090 |
| 24 | 200 | 200 | 8 | 75 | 0.075 |
| 25 | 240 | 230 | 7 | 63 | 0.063 |
| 26 | 300 | 270 | 6 | 53 | 0.053 |
| 27 | 325 | 300 | 5 | 45 | 0.045 |
| 28 | 350 | 325 | 4 | 44 | 0.044 |
| 29 | 400 | 380 | 3 | 40 | 0.040 |
