| LEGENDS | ||
| D1 | Inner diameter | |
| D | Outer diameter | |
| S | Washer thickness |
| DETAILS | ||
| Material | MS | |
| Hardness | 140HV,200HV,300HV | |
| Notes | - |
DIN7989 FLAT WASHERS
| Size No | D | D1 | S |
| M10 | 11 | 21 | 8 |
| M12 | 13.5 | 24 | 8 |
| M16 | 17.5 | 30 | 8 |
| M20 | 22 | 37 | 8 |
| M22 | 24 | 39 | 8 |
| M24 | 26 | 44 | 8 |
| M27 | 30 | 50 | 8 |
| M30 | 33 | 56 | 8 |