Chapa de aço perfurada
| Ø Diâmetros | C - Centros - mm | Área aberta - % | |
| mm | polegadas | ||
| 1,5 | .059" | 3,0 | 23 |
| 1,5 | .059" | 3,18 | 20 |
| 1,6 | 1/16" | 3,0 | 26 |
| 1,8 | .071" | 2,55 | 45 |
| 1,8 | .071" | 3,0 | 32 |
| 2,0 | 5/64" | 3,0 | 40 |
| 2,0 | 5/64" | 3,5 | 29 |
| 2,0 | 5/64" | 4,0 | 23 |
| 2,4 | 3/32" | 4,0 | 32 |
| 2,4 | 3/32" | 5,0 | 21 |
| 2,8 | 7/64" | 4,0 | 44 |
| 3,17 | 1/8" | 5,0 | 36 |
| 3,17 | 1/8" | 6,0 | 25 |
| 3,6 | 9/64" | 5,0 | 49 |
| 4,0 | 5/32" | 6,0 | 40 |
| 4,0 | 5/32" | 7,0 | 29 |
| 4,8 | 3/16" | 7,0 | 42 |
| 4,8 | 3/16" | 8,0 | 32 |
| 4,8 | 3/16" | 10,0 | 21 |
| 5,55 | 7/32" | 8,0 | 43 |
| 5,55 | 7/32" | 10,0 | 28 |
| 6,35 | 1/4" | 9,0 | 45 |
| 6,35 | 1/4" | 10,0 | 36 |
| 6,35 | 1/4" | 11,0 | 30 |
| 8,0 | 5/16" | 11,0 | 48 |
| 8,0 | 5/16" | 12,0 | 40 |