Trade Discount 21%
Lock Washer S Spring Steel | Belleville Shape | Zinc-Plated & Blue Passivated | @Pack of 25 | by Wurth
Lock Washer S Spring Steel is designed for M12 screw threads, featuring a Belleville shape that ensures optimum friction fit and prevents loosening under vertical loads. Ideal for mechanical assemblies in industrial and construction settings, this washer is made from RoHS-compliant spring steel with a corrosion-resistant zinc coating, providing durability and reliability for secure fastening.
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Product Name/Title: Lock Washer S Spring Steel | Belleville Shape | Zinc-Plated & Blue Passivated | @Pack of 25 | by Wurth
Brand: Wurth
SKU: 493012
Alternatively Known As: Belleville lock washer, spring lock washer, zinc plated lock washer, M12 lock washer
Technical Specifications
- Suitable for screw thread: M12
- Internal diameter (d1): 13 mm
- Outer diameter (d2): 18 mm
- Height (h1): 1.7 mm
- Thickness (s1): 1 mm
- Material: Spring steel
- Surface: Zinc plated
- RoHS-compliant: Yes
- Form: S
- Dimensions (H x L x W): 1.7mm x 18mm x 18mm
- 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
- 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 fastening and safety.
Applications
- Used with short screws to prevent loosening under vertical loads
- Ideal for mechanical assemblies requiring secure fastening
- Suitable for M12 screw threads in industrial and construction settings
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- RoHS-compliant material ensures reduced hazardous substances
- Zinc plating extends product life reducing waste
Warranty Information
Standard manufacturer warranty applies.
Available Now
Wurth Lock Washer S Spring Steel Zinc Coated 25 PCS is available now for immediate purchase. Ideal for industrial, construction, and mechanical fastening applications.
