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Locking Disc Spring Washer Z Shape Spring Steel 420-510 HV Zinc-Flake Coated Variant-2 Wurth

BRAND: Wurth
SKU: 401014
$25.20 List price: $31.70
25 PCS ($1.01 per PCS)
+ −
30 Days Return Electricians Unlock Trade Access
Locking Disc Spring Washer Z Shape is crafted from hardened spring steel with a Vickers hardness of 420-510 HV, ensuring exceptional durability and performance.
Technical Specifications
  • Suitable for screw thread: M14
  • Internal diameter (d1): 14.4 mm
  • Outer diameter (d2): 21.4 mm
  • Height (h1): 2.9 mm
  • Thickness (s1): 2.4 mm
  • Material: Spring steel
  • Vickers hardness: 420-510 HV
  • Surface finish: Zinc flake silver
  • Corrosion protection period: 720 hours
  • Form: Z shape
  • Suitable for: Cylinder and hexagon socket screws
  • Locking device operating principle: Serrated lock washer
  • Locking function: Embedding locking device
  • Dimensions (H x L x W): 2.9mm x 21.4mm x 21.4mm
  • Weight: 0.02 kg
Key Features
  • Type Z shape designed for cheese head and hexagon socket screws
  • Friction locking via spring force
  • Mechanical interlock through specific surface stamping
  • Protects counter surface from damage by preventing washer rotation during installation
  • Minimal tightening torque distribution
Professional Installation Requirements
  • Installation by a qualified technician or engineer is recommended to ensure proper torque and locking function.
Applications
  • Suitable for securing cylinder and hexagon socket screws
  • Ideal for mechanical assemblies requiring friction locking and screw retention
  • Used in automotive, machinery, and industrial fastening applications
Standards & Compliance
  • Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
  • RoHS-compliant material ensuring reduced hazardous substances
  • Corrosion protection extends product life reducing waste
Warranty Information

Standard manufacturer warranty against defects applies.

Available Now

Available for immediate purchase, ideal for industrial and mechanical fastening applications requiring secure screw retention.

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