Standard:DIN125A
Description:
DIN125A Washer, is a common fastener fitting. It is usually made of steel and is available in different sizes and coatings.
The washer complies with DIN 125A, a German industry standard that specifies the size and performance requirements for washers. It is suitable for a variety of mechanical and structural applications and is mainly used to provide a uniform pressure distribution between bolts and nuts, preventing parts from loosening and damage.
DIN125 flat washer refers to the German standard DIN125-1990, which specifies the non-angular flat washer with product grade A, thread diameter 1.6 ~ 36MM, and hardness grade 140HV and 200HV.This washer can be used in various screw diameters from M3 to M100. In addition, it can also choose different surface treatments, such as Zinc plated or HDG, to provide additional corrosion resistance.
Overall, the DIN125A Washer is a common fastener fitting used to provide even pressure distribution and prevent parts from loosening and damage.
| Material | 45#/40CR |
| Size | M3-M100 |
| Finish | Plain/black/ZINC/HDG/Dacromet/Mechanical Galvanized |
| Hardness | HV300/HRC35-45 |
| Marking | can be Customized |
| Application | Constrution/Wind turbines/railway line |
| Packing | Carton+ pallet; we can pack washers as your requirements |
| Terms | FOB+shanghai/ningbo |
| Delivery time | 30-70days |
|
Size |
Inner diameter(min) | Inner diameter(max) | Outside diameter(max) | Outside diameter(min) |
Nominal size |
Thickness (max) |
Thickness (min) |
|
3 |
3.2 | 3.38 | 7 | 6.64 | 0.5 | 0.55 | 0.45 |
| 3.5 | 3.7 | 3.88 | 8 | 7.64 | 0.5 | 0.55 | 0.45 |
| 4 | 4.3 | 4.48 | 9 | 8.64 | 0.8 | 0.9 |
0.7 |
| 5 | 5.3 | 5.48 | 10 | 9.64 | 1 | 1.1 | 0.9 |
| 6 | 6.4 | 6.62 | 12 | 11.57 | 1.6 | 1.8 | 1.4 |
| 7 | 7.4 | 7.62 | 14 | 13.57 | 1.6 | 1.8 | 1.4 |
| 8 | 8.4 | 8.62 | 16 | 15.57 | 1.6 | 1.8 | 1.4 |
| 10 | 10.5 | 10.77 | 20 | 19.48 | 2 | 2.2 | 1.8 |
| 12 | 13 | 13.27 | 24 | 23.48 | 2.5 | 2.7 | 2.3 |
| 14 | 15 | 15.27 | 28 | 27.48 | 2.5 | 2.7 | 2.3 |
| 16 | 17 | 17.27 | 30 | 29.48 | 3 | 3.3 | 2.7 |
| 18 | 19 | 19.33 | 34 | 33.38 | 3 | 3.3 | 2.7 |
| 20 | 21 | 21.33 | 37 | 36.38 | 3 | 3.3 | 2.7 |
| 22 | 23 | 23.33 | 39 | 38.38 | 3 | 3.3 | 2.7 |
| 24 | 25 | 25.33 | 44 | 43.38 | 4 | 4.3 | 3.7 |
| 26 | 27 | 27.33 | 50 | 49.38 | 4 | 4.3 | 3.7 |
| 27 | 28 | 28.33 | 50 | 49.38 | 4 | 4.3 | 3.7 |
| 28 | 29 | 29.33 | 50 | 49.38 | 4 | 4.3 | 3.7 |
| 30 | 31 | 31.39 | 56 | 55.26 | 4 | 4.3 | 3.7 |
| 32 | 33 | 33.62 | 60 | 58.8 | 5 | 5.6 | 4.4 |
| 33 | 34 | 34.62 | 60 | 58.8 | 5 | 5.6 | 4.4 |
| 35 | 36 | 36.62 | 66 | 64.8 | 5 | 5.6 | 4.4 |
| 36 | 37 | 37.62 | 66 | 64.8 | 5 | 5.6 | 4.4 |
| 38 | 39 | 39.62 | 72 | 70.8 | 6 | 6.6 | 5.4 |
| 39 | 40 | 40.62 | 72 | 70.8 | 6 | 6.6 | 5.4 |
| 40 | 41 | 41.62 | 72 | 70.8 | 6 | 6.6 | 5.4 |
| 42 | 43 | 43.62 | 78 | 76.8 | 7 | 8 | 6 |
| 45 | 46 | 46.62 | 85 | 83.6 | 7 | 8 | 6 |
| 48 | 50 | 50.62 | 92 | 90.6 | 8 | 9 | 7 |
| 50 | 52 | 52.74 | 92 | 90.6 | 8 | 9 | 7 |
| 52 | 54 | 54.74 | 98 | 96.6 | 8 | 9 | 7 |
| 55 | 57 | 57.74 | 105 | 103.6 | 9 | 10 | 8 |
| 56 | 58 | 58.74 | 105 | 103.6 | 9 | 10 | 8 |
| 58 | 60 | 60.74 | 110 | 108.6 | 9 | 10 | 8 |
| 60 | 62 | 62.74 | 110 | 108.6 | 9 | 10 | 8 |
| 64 | 66 | 66.74 | 115 | 113.6 | 9 | 10 | 8 |
| 68 | 70 | 70.74 | 120 | 118.6 | 10 | 11 | 9 |
| 72 | 74 | 74.74 | 125 | 123.4 | 10 | 11 | 9 |
| 76 | 78 | 78.74 | 135 | 133.4 | 10 | 11 | 9 |
| 80 | 82 | 82.87 | 140 | 138.4 | 12 | 13.2 | 10.8 |
| 85 | 87 | 87.87 | 145 | 143.4 | 12 | 13.2 | 10.8 |
| 90 | 93 | 93.87 | 160 | 158.4 | 12 | 13.2 | 10.8 |
| 95 | 98 | 98.87 | 165 | 163.4 | 12 | 13.2 | 10.8 |
Products pictures for Flat washers
