Description
The 304/316 Stainless Steel DIN 9021 Large Flat Washer is a high-quality fastener component designed for superior load distribution and surface protection. Manufactured according to DIN 9021 standards, this Large Flat Washer features an extended outer diameter that provides greater contact area under the bolt or nut head, reducing the risk of surface damage and ensuring secure fastening. Available in 304 or 316 stainless steel, it delivers excellent corrosion resistance, mechanical strength, and long service life even in harsh or corrosive environments. The 304/316 Stainless Steel DIN 9021 Large Flat Washer combines precision engineering with outstanding corrosion resistance, offering dependable performance for a wide range of demanding applications. Whether for marine, industrial, or construction use, this flat washer provides reliable joint reinforcement and long-lasting durability.
Features & Benefits
- Superior Corrosion Resistance: Made from 304 or 316 stainless steel, offering long-lasting performance in humid, marine, and chemical environments.
- Wider Bearing Surface: The large outer diameter evenly distributes load and prevents deformation or indentation of the contact material.
- Precision and Fit: Features standard concentricity and a smooth, circular surface, consistent thickness, and accurate dimensions for a fine, reliable fit in assemblies.
- High Strength & Durability: Withstands heavy tightening forces and resists mechanical wear, maintaining structural integrity under load.
Specification
|
Specification |
DIN9021(GB96.1、IS07093-1) |
|||
|
Inside diameter |
Outside diameter |
Thickness |
Thousand-piece weight |
|
|
Φ3 |
3.20-3.38 |
8.64-9.00 |
0.8±0.1 |
0.349 |
|
Φ4 |
4.30-4.48 |
11.57-12.00 |
1.0±0.1 |
0.774 |
|
Φ5 |
5.30-5.48 |
14.57-15.00 |
1.0±0.1 |
1.46 |
|
Φ6 |
6.40-6.62 |
17.57-18.00 |
1.6±0.2 |
2.79 |
|
Φ8 |
8.40-8.62 |
23.48-24.00 |
2.0±0.2 |
6.23 |
|
Φ10 |
10.50-10.77 |
29.48-30.00 |
2.5±0.2 |
12.2 |
|
Φ12 |
13.00-13.27 |
36.38-37.00 |
3.0±0.3 |
22.2 |
|
Φ14 |
15.00-15.27 |
43.38-44.00 |
3.0±0.3 |
31.6 |
|
Φ16 |
17.00-17.27 |
49.38-50.00 |
3.0±0.3 |
40.9 |
|
Φ18 |
19.00-19.33 |
54.10-56.00 |
4.0±0.3 |
67.4 |
|
Φ20 |
21.00-21.33 |
59.26-60.00 |
4.0±0.3 |
76.8 |
|
Φ22 |
23.00-23.52 |
64.80-66.00 |
5.0±0.6 |
118 |
|
Φ24 |
25.00-25.52 |
70.80-72.00 |
5.0±0.6 |
140.5 |
|
Φ27 |
30.00-30.52 |
83.60-85.00 |
6.0±0.6 |
234 |
|
Φ30 |
33.00-33.62 |
90.60-92.00 |
6.0±0.6 |
273 |
|
Φ33 |
36.00-36.62 |
103.60-105.00 |
6.0±0.6 |
360 |
|
Φ36 |
39.00-39.62 |
108.60-110.00 |
8.0±1.2 |
522 |




