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M8 Zinc Plated Cup Head Square Neck Bolt | 20mm Length | Corrosion Resistant | DIN 603 Compliant | by Wurth
The M8 Zinc Plated Cup Head Square Neck Bolt is designed for secure fastening in mechanical assemblies, construction, and automotive applications. With a durable zinc plating for corrosion resistance and a unique square neck design, it ensures a tight fit without counter-tensioning. Ideal for professionals seeking reliable performance in demanding environments.
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Product Name/Title: M8 Zinc Plated Cup Head Square Neck Bolt | 20mm Length | Corrosion Resistant | DIN 603 Compliant | by Wurth
Brand: Wurth
SKU: 223820
Alternatively Known As: Square Neck Cup Head Bolt, M8 Cup Head Bolt, Zinc Plated Square Neck Bolt
Technical Specifications
- Thread type x nominal diameter (d1): M8
- Length (l1): 20 mm
- Material: Steel
- Property class: 4.8
- Surface: Zinc plated
- Head diameter (dk): 20.65 mm
- Head height (k1): 4.88 mm
- Square width (V): 8.58 mm
- Square height (f): 5.6 mm
- Standards: DIN 603
- RoHS-compliant: Yes
- Design: With nut
- Head type: Cup head square neck
- Thread type: Metric thread
- Pitch: 1.25 mm
- Thread form: Standard metric thread
- Product class: C
- Dimensions (H x L x W): 4.88mm x 20mm x 20.65mm
- Weight: 0.1 kg
Key Features
- Flat square neck fixes the round head screw in a slot for tightening from the nut side without counter-tensioning
- Zinc plated steel for corrosion resistance
- Cup head with square neck design for secure fit
- Complies with DIN 603 standard
- RoHS-compliant
Professional Installation Requirements
- Installation by a qualified technician or tradesperson is recommended to ensure proper fastening and safety.
Applications
- Mechanical assemblies requiring secure fastening
- Construction and manufacturing industries
- Automotive and machinery repairs
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- RoHS-compliant ensuring reduced hazardous substances
- Durable zinc plating extends product life reducing waste
Warranty Information
Standard manufacturer warranty against defects applies.
Available Now
The Wurth M8 Zinc Plated Cup Head Square Neck Bolt 20mm is available for immediate purchase, ideal for industrial, construction, and mechanical fastening applications.
