Trade Discount 20%
Lock Washer S Spring Steel | Zinc-Plated & Blue Passivated | Belleville Shape | Vibration Resistant | @Pack of 25 | by Wurth
Lock Washer S Spring Steel is designed for secure mechanical fastening, featuring a Belleville shape that provides optimum friction fit and prevents loosening under vertical loads. Ideal for industrial and automotive applications, this zinc-plated washer ensures durability and corrosion resistance, making it perfect for use with short screws and vibration-prone environments.
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Product Name/Title: Lock Washer S Spring Steel | Zinc-Plated & Blue Passivated | Belleville Shape | Vibration Resistant | @Pack of 25 | by Wurth
Brand: Wurth
SKU: 49303
Alternatively Known As: Belleville lock washer, spring lock washer, zinc plated lock washer, anti-loosening washer
Technical Specifications
- Suitable for screw thread: M3
- Internal diameter (d1): 3.2 mm
- Outer diameter (d2): 5.5 mm
- Height (h1): 0.9 mm
- Thickness (s1): 0.45 mm
- Material: Spring steel
- Surface: Zinc plated
- RoHS-compliant: Yes
- Form: S
- Dimensions (H x L x W): 0.9mm x 5.5mm x 5.5mm
- Weight: 0.01 kg
Key Features
- Belleville washer shape achieves optimum friction fit with simultaneous form fit via helical gearing
- Prevents connection loosening by supplementing pre-tensioning force
- Suitable for use with short screws and loads vertical to the screw axis
- Mechanically applied zinc coating provides corrosion resistance
- RoHS-compliant spring steel material
Professional Installation Requirements
- Installation by a qualified technician or tradesperson is recommended to ensure proper application and safety.
Applications
- Mechanical fastening applications requiring secure screw connections
- Use with short screws and vertical loads to prevent loosening
- Industrial and automotive assembly requiring vibration resistance
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- RoHS-compliant material ensures reduced hazardous substances
- Durable zinc coating extends product life reducing waste
Warranty Information
Standard manufacturer warranty applies. Please refer to Wurth warranty policy for details.
Available Now
Wurth Lock Washer S Spring Steel Zinc Coated 25 PCS is available for immediate purchase, ideal for mechanical fastening applications requiring secure and vibration-resistant connections.
