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Lock Washer S Spring Steel Belleville Form Anti-Loosening Design Variant-4 Wurth

BRAND: Wurth
SKU: 4937
$43.80 List price: $55.00
25 PCS ($1.75 per PCS)
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Lock Washer S Spring Steel is designed with a Belleville form and anti-loosening features, making it ideal for mechanical assemblies.
Technical Specifications
  • Internal diameter (d1): 7.4 mm
  • Outer diameter (d2): 12 mm
  • Height (h1): 1.3 mm
  • Thickness (s1): 0.7 mm
  • Material: Spring steel
  • Surface: Plain
  • Form: S
  • RoHS-compliant: Yes
  • Dimensions (H x L x W): 1.3mm x 12mm x 12mm
  • Weight: 0.02 kg
Key Features
  • Belleville washer form with angled teeth for optimum friction-fit and form-fit connection
  • Prevents connection loosening by supplementing pre-tensioning force
  • Made from durable spring steel with plain surface finish
  • RoHS-compliant ensuring environmental safety
Professional Installation Requirements
  • Installation by a qualified technician or tradesperson is recommended to ensure proper fastening and safety.
Applications
  • Used in mechanical assemblies to prevent loosening of screws and bolts
  • Ideal for applications with short screws and vertical loads
  • Suitable for automotive, industrial, and construction fastening needs
Standards & Compliance
  • Complies with AS/NZS 1170 – Structural Design Actions (Wind, Earthquake, Snow Loads)
Environmental Benefits
  • RoHS-compliant material reduces hazardous substances
  • Durable spring steel construction extends product life and reduces waste
Warranty Information

Standard manufacturer warranty applies.

Available Now

Wurth Lock Washer S Spring Steel Plain 25 PCS is available for immediate purchase, ideal for mechanical fastening applications requiring secure connections.