High Precision DIN 440 Flat Sealing Washer 28mm OD with ISO 9001 Certification - Carbon Steel & Stainless Steel Options
Price:
According to market changes
MOQ:
20000PCS
Delivery Time:
15-20 work day
Brand:
Xin Yan hardware
Product Description
High precision DIN 440 flat sealing washers with 28mm outer diameter, designed for positioning under bolts in industrial fastening applications.
Product Specifications
Materials & Standards
- Materials: Carbon steel, stainless steel
- Surface treatments: Plain, galvanized, zinc plated (clear/blue/yellow/black), black oxide, hot-dip galvanized
- Standards: ISO, GB, DIN, JIS, ANSI
- Certifications: ISO 9001-2008, SGS, RoHS compliant
Technical Specifications
| Size | Inner Diameter (d) | Outer Diameter (dc) | Thickness (h) |
|---|---|---|---|
| M2 | 2.2mm | 4.9mm | 0.3mm |
| M2.5 | 2.7mm | 5.8mm | 0.5mm |
| M3 | 3.2mm | 6.8mm | 0.5mm |
| M4 | 4.3mm | 8.8mm | 0.8mm |
| M5 | 5.3mm | 10mm | 1mm |
| M6 | 6.4mm | 12mm | 1.6mm |
| M8 | 8.4mm | 16mm | 1.6mm |
| M10 | 11mm | 20mm | 2mm |
| M12 | 13mm | 24mm | 2.5mm |
| M14 | 15mm | 28mm | 2.5mm |
| M16 | 17mm | 30mm | 3mm |
| M20 | 21mm | 37mm | 3mm |
| M24 | 25mm | 44mm | 4mm |
| M30 | 31mm | 56mm | 4mm |
| M36 | 37mm | 66mm | 5mm |
Manufacturing Advantages
- Factory direct pricing with no middlemen
- Complete product specifications with sample availability
- Material quality guarantee with inspection options
- Custom manufacturing services with OEM support
- Professional packaging and quality control processes
Service & Support
- Sample delivery within 7 days
- Custom manufacturing according to drawings and samples
- Quality assurance with comprehensive inspection
- Flexible lead times based on order quantity
- Multiple payment options: T/T, L/C, D/A, D/P
- Packing: Bulk in cartons (25kg max) + wood pallet or custom packaging
Global Export: Products exported to Western Europe, Central Europe, Eastern Europe, America, East Asia, Southeast Asia, Africa and other countries.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Beijing Silk Road Enterprise Management Services Co.,LTD
Contact Person
Nick Chou