DIN 7989
DIN 7989 – Steel Structure Flat Washer , Heavy type flat washer used for steel stuctures, thicker than regular type.
Dimensionn of DIN 7989 as below:
 |
| Size | I.D | O.D | S | Weight
KG / 1000 PCS |
| M10 | 11 | 21 | 8 | 15.7 |
| M12 | 14 | 24 | 8 | 18.8 |
| M16 | 18 | 30 | 8 | 28.3 |
| M20 | 22 | 37 | 8 | 43.6 |
| M22 | 24 | 39 | 8 | 46.2 |
| M24 | 26 | 44 | 8 | 61.6 |
| M27 | 30 | 50 | 8 | 79 |
| M30 | 33 | 56 | 8 | 101 |
* All size in mm ;
* Specification: DIN 7989 Structure Flat Washer ;