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Lock Washer S Spring Steel | Belleville Shape | Zinc-Plated & Blue Passivated | @Pack of 25 | by Wurth

BRAND: Wurth
SKU: 49306
$13.70 List price: $17.20
25 PCS ($0.55 per PCS)
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Lock Washer S Spring Steel is designed for M6 screws, featuring a Belleville shape that ensures an optimum friction fit and prevents loosening in mechanical assemblies. Ideal for automotive, machinery, and construction applications, this washer is made from durable spring steel with a corrosion-resistant zinc coating, making it perfect for secure fastening needs.

Product Name/Title: Lock Washer S Spring Steel | Belleville Shape | Zinc-Plated & Blue Passivated | @Pack of 25 | by Wurth

Brand: Wurth

SKU: 49306

Alternatively Known As: Belleville lock washer, spring lock washer, zinc plated lock washer, M6 lock washer

Technical Specifications
  • Suitable for screw thread: M6
  • Internal diameter (d1): 6.4 mm
  • Outer diameter (d2): 10 mm
  • Height (h1): 1.2 mm
  • Thickness (s1): 0.6 mm
  • Material: Spring steel
  • Surface: Zinc plated
  • RoHS-compliant: Yes
  • Form: S
  • Dimensions (H x L x W): 1.2mm x 10mm x 10mm
  • 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
  • Made from durable spring steel
  • RoHS-compliant
Professional Installation Requirements
  • Installation by a qualified technician or tradesperson is recommended to ensure proper fastening and safety.
Applications
  • Used with M6 screws to prevent loosening in mechanical assemblies
  • Ideal for applications with short screws and vertical loads to the screw axis
  • Suitable for automotive, machinery, and construction fastening needs
Standards & Compliance
  • Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
  • RoHS-compliant ensuring 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 mechanical fastening applications requiring secure screw connections.