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Lock Washer Type S A2 Stainless Steel | Disc Spring Shape | Corrosion Resistant | @Pack of 25 | by Wurth

BRAND: Wurth
SKU: 404801050
$24.90 List price: $31.20
25 PCS ($1.00 per PCS)
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Lock Washer Type S A2 Stainless Steel is designed to prevent loosening of screw connections under vertical loads, making it ideal for mechanical assemblies. With a disc spring shape for optimum friction fit and made from corrosion-resistant stainless steel, this pack of 25 washers ensures secure fastening in various applications, enhancing durability and compliance with RoHS standards.

Product Name/Title: Lock Washer Type S A2 Stainless Steel | Disc Spring Shape | Corrosion Resistant | @Pack of 25 | by Wurth

Brand: Wurth

SKU: 404801050

Alternatively Known As: Spring lock washer, Disc spring washer, Helical lock washer, Stainless steel lock washer

Technical Specifications
  • Suitable for screw thread: M5
  • Suitable for thread (imperial): 3/16 inch
  • Internal diameter (d1): 5.3 mm
  • Outer diameter (d2): 9 mm
  • Height (h1): 1.2 mm
  • Thickness (s1): 0.7 mm
  • Material: Stainless steel A2
  • Surface: Plain
  • Form: S
  • RoHS-compliant: Yes
  • Dimensions (H x L x W): 1.2mm x 9mm x 9mm
  • Weight: 0.01 kg
Key Features
  • Disc spring shape achieves optimum friction fit
  • Simultaneous form fit via helical gearing
  • Prevents connection loosening under vertical loads
  • Made from stainless steel A2 for corrosion resistance
  • RoHS-compliant
Professional Installation Requirements
  • Installation by a qualified technician or tradesperson is recommended to ensure proper fastening and safety.
Applications
  • Used to prevent loosening of screw connections under vertical loads
  • Ideal for use with short screws to supplement pre-tensioning force
  • Suitable for mechanical assemblies requiring secure fastening
Standards & Compliance
  • Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
  • Made from durable stainless steel for long service life reducing waste
  • RoHS-compliant ensuring reduced hazardous substances
Warranty Information

Standard manufacturer warranty applies.

Available Now

Wurth Lock Washer Type S A2 Stainless Steel 25 PCS is available for immediate purchase, ideal for mechanical and industrial fastening applications.