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Locking Disc Spring Washer | Z Shape | Spring Steel Hardened | Zinc-Flake Coated | @Pack of 25 | by Wurth
Locking Disc Spring Washer designed in a Z shape, made from spring steel hardened to 420-510 HV10, is perfect for securing cheese head and hexagon socket screws. With a zinc-flake coating providing corrosion protection for up to 480 hours, this washer ensures durability and reliability in mechanical fastening applications, making it ideal for professionals seeking secure locking solutions.
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Product Name/Title: Locking Disc Spring Washer | Z Shape | Spring Steel Hardened | Zinc-Flake Coated | @Pack of 25 | by Wurth
Brand: Wurth
SKU: 40108
Alternatively Known As: Z Spring Washer, Locking Disc Washer, Serrated Lock Washer, Spring Lock Washer, Zinc Flake Coated Washer
Technical Specifications
- Suitable for screw thread: M8
- Internal diameter (d1): 8.2 mm
- Outer diameter (d2): 12.7 mm
- Height (h1): 1.7 mm
- Thickness (s1): 1.4 mm
- Material: Spring steel
- Vickers hardness: 420-510 HV
- Surface finish: Zinc-flake silver coating
- RoHS-compliant: Yes
- Corrosion protection period: 480 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): 1.7mm x 12.7mm x 12.7mm
- Weight: 0.01 kg
Key Features
- Type Z shape designed for cheese head and hexagon socket screws
- Spring steel hardened to 420-510 HV10 for durability
- Zinc-flake silver coating provides corrosion protection up to 480 hours
- Friction locking via spring force and mechanical interlock through surface stamping
- Prevents washer rotation during installation protecting the counter surface
- Minimal tightening torque distribution for secure fastening
Professional Installation Requirements
- Installation by a qualified technician or professional recommended to ensure proper torque and locking function.
Applications
- Suitable for securing cheese head and hexagon socket screws
- Ideal for mechanical fastening requiring friction locking and screw retention
- Used in assembly where protection of counter surface from damage is critical
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- RoHS-compliant material ensures reduced hazardous substances
- Corrosion resistance extends product life reducing waste and replacement frequency
Warranty Information
Standard manufacturer warranty applies. Please refer to Wurth warranty policy for details.
Available Now
Available for immediate purchase, ideal for industrial and mechanical fastening applications requiring secure locking washers.
