| Sieve Opening Standard | Sieve Designation | Nominal Sieve Opening | |
| (ın) | | (mm) | S - 660 |
| 0.09 | 8.00 | 2.36 | All Pass |
| 0.08 | 10.00 | 2.00 | - |
| 0.07 | 12.00 | 1.70 | 85% min |
| 0.06 | 14.00 | 1.40 | 97% min |
| 0.05 | 16.00 | 1.18 | - |
| 0.04 | 18.00 | 1.00 | - |
| 0.03 | 20.00 | 0.85 | - |
| 0.03 | 25.00 | 0.71 | - |
| 0.02 | 30.00 | 0.60 | - |
| 0.02 | 35.00 | 0.50 | - |
| 0.02 | 40.00 | 0.43 | - |
| 0.01 | 45.00 | 0.36 | - |
| 0.01 | 50.00 | 0.30 | - |
| 0.01 | 80.00 | 0.18 | - |
| 0.00 | 120.00 | 0.13 | - |
| 0.00 | 200.00 | 0.08 | - |
S660 :Proper for the sand removal of relatively massive cast iron parts and descaling of massive forgings
- Sand removal of cast iron parts such as engine blocks, radiator outer sections etc.
- Descaling of forgings, forged pallets