Trade Discount 21%
Locking Disc Spring Washer M12 | Zinc-Flake Coated | 420-510 HV | @Pack of 25 | by Wurth
Locking Disc Spring Washer M12 is designed for secure fastening in mechanical assemblies, featuring a zinc-flake coating for enhanced corrosion resistance and a Vickers hardness of 420-510 HV. Ideal for applications up to 350°C, this washer provides a reliable locking mechanism, ensuring safety and durability in industrial and automotive settings.
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Product Name/Title: Locking Disc Spring Washer M12 | Zinc-Flake Coated | 420-510 HV | @Pack of 25 | by Wurth
Brand: Wurth
SKU: 40112
Alternatively Known As: Lock washer, spring lock washer, serrated lock washer, disc spring washer, M12 locking washer
Technical Specifications
- Suitable for screw thread: M12
- Internal diameter (d1): 12.4 mm
- Outer diameter (d2): 27.25 mm
- Height (h1): 2.85 mm
- Thickness (s1): 1.8 mm
- Material: Spring steel
- Vickers hardness: 420-510 HV
- Surface finish: Zinc-flake coated (silver)
- Corrosion protection period: 720 hours
- Locking device operating principle: Serrated lock washer
- Locking function: Embedding locking device
- RoHS-compliant: Yes
- Application temperature range: up to approx. 350°C
- Dimensions (H x L x W): 3mm x 27mm x 27mm
- Weight: 0.02 kg
Key Features
- Type M (medium) locking disc spring washer
- Friction locking due to spring force
- Mechanical interlock via specific surface stamping
- Protects counter surface from damage by preventing washer rotation during installation
- Minimal tightening torque distribution
- Twice as secure with spring-secured friction fit and positive locking
- Reusable and suitable for high temperature applications up to 350°C
Professional Installation Requirements
- Installation by a qualified technician or engineer is recommended to ensure proper torque and secure locking in mechanical assemblies.
Applications
- Suitable for screw connections of strength class 8.8 with normal head contact
- Used in mechanical assemblies requiring secure locking against loosening
- Ideal for applications up to approximately 350°C
- Reusable locking washer for industrial and automotive fastening
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Reusable design reduces waste and replacement frequency
- RoHS-compliant material ensures reduced hazardous substances
- Corrosion protection extends product life, reducing environmental impact
Warranty Information
Standard manufacturer warranty applies. Please refer to Wurth's warranty policy for details.
Available Now
Wurth Locking Disc Spring Washer M12 Zinc-Flake Coated 25 PCS is available for immediate purchase, ideal for industrial and automotive fastening applications requiring secure locking.
