Fender Washers DIN 9021 Large OD Flat Washers M4 M30 Galvanized Steel Zinc Plated
DIN 9021 Fender Washers - Large OD Flat Washers
Our DIN 9021 fender washers (large OD flat washers) are engineered to spread load over a wider surface area, protecting soft materials such as wood, plastic and thin sheet metal from pull-through and crushing. With a large outer diameter - up to three times the bolt diameter - they are the ideal choice for roofing, cladding, automotive and general assembly work.
Key Features
- Conform to DIN 9021 standard with a large outside diameter
- Manufactured from carbon steel, stainless steel or alloy steel
- Zinc plated, hot dip galvanized or black oxide surface treatment
- Available from M4 to M30 and fully customizable sizes
- Thickness range 0.8mm to 4mm for reliable load distribution
Technical Specifications
| Standard | DIN 9021 |
|---|---|
| Material | Carbon steel zinc plated, Stainless steel, Alloy steel |
| Size | M4 - M30 (customized available) |
| Outer Diameter | Large OD, up to 3x bolt diameter |
| Thickness | 0.8mm - 4mm |
| Surface Finish | Zinc plated / Hot dip galvanized / Black oxide |
| Grade | 4.8, 6.8, 8.8, 10.9, 12.9 |
Applications
Widely used in roofing and cladding, automotive assembly, sheet metal fabrication, woodworking and general mechanical fastening where a wide bearing surface is required.
Why Choose Us
As a professional bolts, nuts and washers supplier with more than 10 years of export experience, we offer stable quality, fast delivery and OEM/ODM service. All products are produced under ISO9001 quality management.
Contact us for bulk pricing and customization.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.