Din9021 Flat Washer
DIN9021 Flat Washers are large outer diameter flat washers produced strictly to DIN9021 standard. Compared with DIN125, they feature wider outer circle, which can distribute pressure over a larger area, especially for thin plates, soft materials and holes with larger clearance. We provide complete supporting solutions: washers together with our self-manufactured nuts and matched bolts for one-stop procurement.
Handan Hengmai Fasteners Manufacturing Co., Ltd. is one of the most reliable manufacturers and suppliers of din9021 flat washer in China. As we have world-leading production equipment and strong manufacturing capabilities, we warmly welcome you to buy bulk high quality din9021 flat washer for sale here from our factory. Customized orders are welcome.
Product Overview
DIN9021 Flat Washers are large outer diameter flat washers produced strictly to DIN9021 standard. Compared with DIN125, they feature wider outer circle, which can distribute pressure over a larger area, especially for thin plates, soft materials and holes with larger clearance. We provide complete supporting solutions: washers together with our self-manufactured nuts and matched bolts for one-stop procurement. Multiple materials and surface treatments are available for construction, photovoltaic and sheet metal projects.
Product Specification
|
Parameter Item |
Standard Index |
|
Material |
Carbon steel, 304 stainless steel |
|
Surface Treatment |
Black oxide, electro-galvanized, hot-dip galvanized, passivation |
|
Size Range |
M2 – M72 |
|
Executive Standard |
DIN9021 |
|
Feature |
Large outer diameter flat washer |
Product Properties
1. Larger outer diameter achieves wider pressure distribution, effectively preventing thin workpieces from sinking and deformation;
2. Smooth surface reduces abrasion on coating and soft material surfaces;
3. Stable dimensional tolerance, excellent matching performance with standard bolts and nuts;
4. Diversified anti-corrosion treatments meet outdoor building and metal structure requirements.
Application
Widely used for photovoltaic brackets, color steel buildings, sheet metal fabrication, light steel structures, wooden components and fastening on thin or soft workpieces.
Quality Control & Testing
All batches pass dimensional tolerance inspection and surface defect screening. Salt spray test available for electroplated versions. Test certificates can be issued upon customer request.
Packing, Storage, Handling And Transportation
Standard packing: inner moisture-proof PE bags + outer woven bags, palletized for sea shipment. Custom labels are supported. Keep dry during storage and transportation to avoid oxidation rust. We provide FOB, CIF, DDP logistics options.
After‑Sales & Service
Pre-sales technicians advise on washer type selection based on your workpiece material. Factory defective products enjoy free replacement and we bear related logistics costs.
FAQ
Q1: When should I choose DIN9021 instead of DIN125?
A: Select DIN9021 when fastening thin sheets, plastic, wood or components with large mounting holes for wider pressure dispersion.
Q2: Can washers be combined with nuts and bolts into sets?
A: Yes, we can assemble complete bolt-nut-washer kits according to your requirements.
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