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China Flat Washers Suppliers | High-Quality Plain Washers from Factory for Secure Connections
Technical Specifications
| Product Name | Flat Washer / Plain Washer / Metal Flat Washer |
| Standards | DIN 125, DIN 9021, DIN 433, ISO 7089, ASTM F436, or customized |
| Material |
Carbon Steel Stainless Steel (SS201, SS304, SS316) Brass Aluminum |
| Grade | 4.8, 6.8, 8.8, 10.9 / A2-70, A4-80 |
| Finish Options |
Zinc Plated (Clear / Yellow / Blue) Black Oxide Hot-Dip Galvanized (HDG) Plain / Oiled / Polished |
| Size Range |
Metric: M2 – M64 Inch: 1/8" – 2-1/2" Special sizes available upon request |
Product Features
Increases bearing surface of bolt or nut
Prevents damage to connected materials
Improves load distribution and vibration resistance
Ideal for both standard and high-strength fastening applications
Suitable for use in combination with bolts, screws, and nuts
Available in wide variety of dimensions and thicknesses
Applications
metalworking
General construction and metalworking
Machinery
Machinery and equipment assembly
Automotive
Automotive and transportation
Electrical
Electrical enclosures and appliances
Woodworking
Woodworking and furniture
installations
Marine and outdoor installations
Packaging & Delivery
| Packaging |
Bulk in cartons with wooden pallets Small boxes or labeled polybags Custom packaging and barcodes available |
| Lead Time | 7–30 days depending on order size and customization |
| Shipping Port | Tianjin Port, China |
Why Choose Hebei Chudu
- Over 10 years of experience in fastener manufacturing and global export
- ISO 9001-certified factory with strict quality control
- Complete product range: flat, spring, fender, sealing, and custom washers
- OEM & ODM services with technical support
- Fast delivery and professional logistics service
- Exported to over 40 countries worldwide
Frequently Asked Questions
What materials are available for your flat washers?
We offer flat washers in Carbon Steel, Stainless Steel (SS201, SS304, SS316), Brass, and Aluminum to meet different application requirements.
Which standards do your flat washers comply with?
Our products comply with standard specifications including DIN 125, DIN 9021, DIN 433, ISO 7089, ASTM F436, and we also support customized requirements.
What finish options do you provide for corrosion resistance?
Available finish options include Zinc Plated (Clear, Yellow, and Blue), Black Oxide, Hot-Dip Galvanized (HDG), as well as Plain, Oiled, and Polished options.
What is the standard size range of your metal washers?
We supply metric sizes ranging from M2 to M64, and imperial sizes from 1/8" to 2-1/2". Special custom sizes can also be manufactured on request.
What is your typical delivery lead time and shipping port?
Our standard lead time is 7 to 30 days depending on the order quantity and level of customization. All orders are shipped via Tianjin Port, China.
Do you offer custom packaging solutions?
Yes, we provide flexible packaging options including bulk in cartons with wooden pallets, small boxes, labeled polybags, and custom packaging with barcodes.