Product description

The low round head flange bolt BZK EV M4x25 is a high-quality fastening solution that excels in both functionality and aesthetics. Thanks to the internal hex drive and integrated flange, this bolt provides a strong and reliable connection, ideal for various automotive applications.

Technical specifications

• Diameter (d): M4
• Length (l): 25 mm
• Head height (k): 2.2 mm
• Flange diameter (d1): 9.4 mm
• Drive: Internal hex (key size 2.5 mm)
• Material: Steel, electroplated zinc (BZK EV)
• Standard: ISO 7380-2

Advantages of the low round head flange bolt

• Aesthetic design: The low round head ensures a sleek finish, ideal for visible fastenings.
• Increased clamping force: The integrated flange distributes pressure evenly, increasing clamping force and preventing damage to the material.
• Durability: The electroplated zinc coating offers good protection against corrosion, extending the bolt's lifespan.

Areas of application

This M4x25 low round head flange bolt is particularly suitable for:

• Automotive sector: Fastening of interior and exterior parts where a neat finish is desired.
• Machine construction: Assembly of components where a low head height and increased clamping force are required.
• Construction: Applications where aesthetics and functionality go hand in hand.

Installation instructions

For optimal installation:

1. Preparation: Ensure that the surfaces to be joined are clean and free of debris.
2. Tools: Use a 2.5 mm Allen key for the internal hex drive.
3. Tightening: Tighten the bolt until the desired clamping force is reached, without damaging the material.

Packaging

These bolts are supplied in sets of 100 pieces, which is sufficient for both small and larger projects.

Important considerations

• Compatibility: Check whether the M4x25 dimensions are suitable for your specific application.
• Corrosion resistance: Although the electroplated zinc provides protection, it is advisable to consider additional measures in highly corrosive environments.

With the low round head flange bolt BZK EV M4x25, you choose a reliable and aesthetically responsible fastening solution that meets the high demands of the automotive industry.