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Hardware & tools
Spring washer
Spring washer, also known as spring lock washer, is a highly essential fastener component widely used for anti-loosening, shock absorption, and pressure compensation in bolted connection systems. With elastic deformation capability under compression, spring washers effectively prevent screw loosening caused by vibration, dynamic load, thermal expansion and mechanical shaking, ensuring long-term stability and safety …
SupplierMD Fastener Crop.www.md-fastener.com
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About this product
Product information from the supplier.
Material | Carbon steel ,Stainless steel，A2，A4 |
Surface Treatment | Polishing ,Zinc plate ,Dacromet,HDG,Black |
Standard | GB,DIN,ISO,ASME |
Size | M3-M48,1/4”-3” |
Testing equipment | Automatic Optic Inspector,Projecting Apparatus,Salt Spray Test,Hardness/Tensile Machine |
Certification | SGS,RoHS,Material Certication,PPAP |
Sample | Accepted,we will send samples for your approval |
Package Description | Small box ,Carton ,bag ,small plastic bag and pallet |
Delivery Term | EXW,FOB,CIF,CNF |
Lead Time | Samples10- 15workdays,Mass productions 15-20 workdays after payment received. |
Payment Term | T/T, Paypal,Cash |
Materials & Surface Treatment
• Carbon steel (65Mn) — High elasticity, strong toughness, cost-effective
• Stainless steel 304 / 316 — Corrosion-resistant, rust-proof, suitable for outdoor, marine and photovoltaic projects
• Surface finish: black oxide, zinc plating, hot-dip galvanized, zinc-aluminum magnesium coating
Core Advantages
1. Excellent elastic recovery and fatigue resistance, maintaining stable anti-loosening performance after long-term vibration and repeated compression.
2. Strict dimensional tolerance, perfect matching with standard bolts and nuts.
3. High hardness and mechanical stability, not easy to deform or fail under dynamic loads.
4. Multiple anti-rust and anti-corrosion treatments for harsh outdoor and industrial environments.
5. Full specifications, stable stock supply, customized production supported.
Applications
Widely applied in solar photovoltaic brackets, steel structures, construction engineering, mechanical equipment, automotive industry, electrical appliances, and pipeline installations. Ideal for high-vibration scenarios requiring reliable locking performance.
Quality Guarantee
All products are manufactured in accordance with ISO and national standards. MTC 3.1 material test certificates can be provided to ensure raw material quality, mechanical properties and batch traceability.
We provide stable supply, professional customization and one-stop fastener solutions for global wholesale and engineering projects.
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MD Fastener Crop.
