





The 304 Stainless Steel Open Spring Washer (Light Spring Washer) is a lightweight, elastic fastener designed to prevent loosening under vibration. Its open split design provides continuous preload, compensating for gaps and maintaining bolt tension.
Ideal for machinery, automotive, mining, and heavy equipment in demanding environments.
Anti-Loosening Reliability: Open design delivers stable elastic deformation to resist vibration.
Corrosion Resistant: Premium 304 stainless steel for long-term performance in harsh conditions.
Lightweight & Economical: Thin profile suitable for applications requiring minimal added weight.
| Property | Specification |
| Product Name | Open Spring Washer (Light Spring Lock Washer) |
| Material | 304 Stainless Steel (Custom: 316) |
| Finish | Plain / Polished |
| Style | Split / Open |
| Size Range | M3 - M48 (Customizable) |
| Application | Heavy Industry, Mining, Automotive, General Industry |
| Custom Support | OEM/ODM Available |
Factory Direct Price | Fast Delivery | OEM Service
Email: admin@changhua-electrical.com | WhatsApp: +86 181 3296 8158
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![]() Advanced Cold Heading Precision manufacturing. | ![]() Optical Sorting 0-PPM defects. | ![]() Lab Testing Tensile & Salt Spray. |
![]() Machinery Vibration Prevention | ![]() Mining Equipment Heavy-Duty Stability | ![]() Automotive Anti-Loosening Joints |
Q: Can I get free samples?
Yes! We provide free samples for standard spring washers. You only need to cover the shipping cost.
Q: What materials and finishes do you support?
304 stainless steel standard. Custom finishes and materials available.
Q: What certifications do you have?
We are ISO9001:2015 Certified. Every shipment comes with a Factory Quality Inspection Report.
Q: What is your delivery time?
Stock items: 3-7 days. Mass production: 20-30 days.
Q: Can you produce according to drawings?
Yes, OEM/ODM is our strength. Send us CAD drawings for a quote within 24 hours.
Q: What are your payment terms?
We generally accept T/T (30% deposit, 70% before shipment). For long-term partners, we can discuss L/C.
Get in touch for more information, pricing, or custom requirements.