Product description

The low round head flange bolt M8x40 with hexagon socket is designed for applications where a flush finish and secure fastening are required. Thanks to the integrated flange, the pressure is evenly distributed, increasing the stability of the connection.

Specifications

• Diameter (d): M8
• Length (l): 40 mm
• Head height (k): 4.4 mm
• Flange diameter (dk): 17.8 mm
• Drive: Hexagon socket (SW5)
• Material: Steel grade 10.9
• Surface treatment: Electrolytically galvanized
• Standard: ISO 7380-2

Applications

This bolt is ideal for:

• Automotive sector: Fastening of bodywork and engine parts.
• Mechanical engineering: Assembly of components where a low head height is desired.
• Construction: Connections in steel structures and other building applications.

Benefits

• High strength: Made from steel grade 10.9 for reliable performance.
• Corrosion resistant: The electroplating provides protection against rust.
• Efficient assembly: The hexagon socket ensures a firm grip during tightening.

Installation instructions

For optimal fastening:

1. Preparation: Ensure that the surfaces to be joined are clean and free of debris.
2. Tool: Use a size 5 hex key (SW5) for tightening.
3. Tightening torque: Follow the recommended tightening torques for M8 bolts of grade 10.9 to avoid damage.

Maintenance

Regular inspection of the bolts for signs of wear or corrosion is recommended to ensure the safety and reliability of the connection.