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Round Head Screw DIN 603 | Strength Class 8.8 | Zinc-Plated & Blue Passivated | @Pack of 25 | by Wurth
Round Head Screw DIN 603 with strength class 8.8 and zinc-plated, blue passivated finish is perfect for mechanical assemblies requiring secure fastening. Designed for industrial machinery and construction applications, this screw features a flat square neck to prevent rotation and allows tightening from the nut side without counter-tensioning, ensuring reliable performance in demanding environments.
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Product Name/Title: Round Head Screw DIN 603 | Strength Class 8.8 | Zinc-Plated & Blue Passivated | @Pack of 25 | by Wurth
Brand: Wurth
SKU: 2239665
Alternatively Known As: Cup Head Square Neck Screw, DIN 603 Screw, Square Neck Bolt, Zinc Plated Round Head Screw
Technical Specifications
- Thread type x nominal diameter: M6
- Length: 65 mm
- Material: Steel
- Property class: 8.8
- Surface finish: Zinc plated, blue passivated (A2K)
- Head diameter: 16.55 mm
- Head height: 3.88 mm
- Square width: 6.48 mm
- Square height: 4.6 mm
- Standard: DIN 603
- RoHS-compliant: Yes
- Head type: Cup head square neck
- Thread pitch: 1 mm
- Thread form: Standard metric thread
- Shank diameter: 6 mm
- Thread length: 18 mm
- Product class: C
- Dimensions (H x L x W): 3.88mm x 65mm x 16.55mm
- Weight: 0.1 kg
Key Features
- Flat square neck fixes the round head screw in a slot to prevent rotation
- Allows tightening from the nut side without counter-tensioning
- Zinc-plated with blue passivation for corrosion resistance
- Strength class 8.8 steel for high tensile strength
Professional Installation Requirements
- Installation by a qualified tradesperson or technician is recommended to ensure proper torque and secure fastening.
Applications
- Mechanical assemblies requiring secure fastening with anti-rotation features
- Industrial machinery and equipment
- Construction and structural applications
- Automotive and engineering projects
Standards & Compliance
- Complies with AS/NZS 1170 – Structural Design Actions (Wind, Earthquake, Snow Loads)
Environmental Benefits
- RoHS-compliant, ensuring reduced hazardous substances
- Durable zinc plating extends product life reducing replacement frequency
Warranty Information
Standard manufacturer warranty against defects in material and workmanship.
Available Now
Available for immediate purchase, ideal for industrial, construction, and mechanical fastening applications.
