Trade Discount 21%
Lock Washer S Spring Steel | Zinc-Plated & Blue Passivated | Belleville Shape | @Pack of 25 | by Wurth
Lock Washer S Spring Steel is designed for secure mechanical fastening, featuring a Belleville shape that optimizes friction and prevents loosening. Ideal for M2.5 screw threads, this zinc-plated washer enhances corrosion resistance and is perfect for industrial and automotive assembly applications.
Please sign in so that we can notify you about a reply
Sign in
Please login to continue to your account.
Product Name/Title: Lock Washer S Spring Steel | Zinc-Plated & Blue Passivated | Belleville Shape | @Pack of 25 | by Wurth
Brand: Wurth
SKU: 493025
Alternatively Known As: Belleville lock washer, spring lock washer, zinc plated lock washer, S form lock washer
Technical Specifications
- Suitable for screw thread: M2.5
- Internal diameter (d1): 2.7 mm
- Outer diameter (d2): 4.8 mm
- Height (h1): 0.9 mm
- Thickness (s1): 0.45 mm
- Material: Spring steel
- Surface: Zinc plated
- RoHS-compliant: Yes
- Form: S
- Dimensions (H x L x W): 0.9mm x 4.8mm x 4.8mm
- Weight: 0.005 kg
Key Features
- Belleville washer shape for optimum friction and form fit via helical gearing
- Prevents connection loosening by supplementing pre-tensioning force
- Mechanically applied zinc coating for corrosion resistance
- Suitable for screw thread M2.5
Professional Installation Requirements
- Installation by a qualified technician or tradesperson is recommended to ensure proper fastening and safety.
Applications
- Mechanical fastening applications requiring secure screw connections
- Use with short screws and vertical loads to prevent loosening
- Industrial and automotive assembly
- General machinery and equipment fastening
Standards & Compliance
- Complies with AS/NZS 1170 – Structural Design Actions (Wind, Earthquake, Snow Loads)
Environmental Benefits
- RoHS-compliant material ensures reduced hazardous substances
- Zinc plating provides corrosion resistance extending product life
Warranty Information
Standard manufacturer warranty applies.
Available Now
Wurth Lock Washer S Spring Steel Zinc Coated 25 PCS is available for immediate purchase, ideal for mechanical fastening applications requiring secure screw connections.
