Trade Discount 21%
Locking Disc Spring Washer M | Spring Steel Hardened | Zinc-Flake Coated | @Pack of 25 | by Wurth
Locking Disc Spring Washer M is designed for secure screw connections, featuring spring steel construction and a zinc-flake coating for enhanced corrosion resistance. Ideal for mechanical assemblies requiring reliable locking up to 350°C, this washer provides a reusable solution with friction locking and minimal torque distribution, ensuring optimal performance in industrial applications.
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Product Name/Title: Locking Disc Spring Washer M | Spring Steel Hardened | Zinc-Flake Coated | @Pack of 25 | by Wurth
Brand: Wurth
SKU: 4014
Alternatively Known As: Lock washer, Serrated lock washer, Spring lock washer, Disc spring washer, Locking washer M4
Technical Specifications
- Suitable for screw thread: M4
- Internal diameter (d1): 4.1 mm
- Outer diameter (d2): 10.2 mm
- Height (h1): 1.5 mm
- Thickness (s1): 1 mm
- Material: Spring steel
- Vickers hardness: 420-510 HV
- Surface finish: Zinc-flake silver coating
- RoHS-compliant: Yes
- Corrosion protection period: 480 hours
- Form: M
- Locking device operating principle: Serrated lock washer
- Locking function: Embedding locking device
- Temperature range: Up to approx. 350°C
- Lock washer with no DIN standard
- Dimensions (H x L x W): 1.5mm x 10.2mm x 10.2mm
- Weight: 0.01 kg
Key Features
- Type M (medium) suitable for screw connections up to strength class 8.8
- 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
- Reusable and provides twice the security with spring-secured friction fit and positive locking
Professional Installation Requirements
- Installation by a qualified technician or mechanic is recommended to ensure proper torque and locking function.
Applications
- Suitable for screw connections of strength class 8.8 with normal head contact
- Used in mechanical assemblies requiring secure locking of screws
- Ideal for applications up to approximately 350°C
- Reusable locking washer for industrial and mechanical use
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Reusable design reduces waste compared to single-use lock washers
- Corrosion protection with zinc-flake coating extends product life and reduces replacement frequency
Warranty Information
Standard manufacturer warranty applies. Please refer to Wurth's warranty policy for details.
Available Now
The Wurth Locking Disc Spring Washer M4 Zinc-Flake Coated 25 PCS is available for immediate purchase. Ideal for mechanical and industrial screw locking applications requiring high security and corrosion resistance.
