Efficient metal fastening without pre-drilling

The DIN7504K self-drilling screw with hexagon head, 5.5x25 mm, is designed for quick and reliable fastening in metal materials. Thanks to the self-drilling tip, pre-drilling is unnecessary, saving time and effort during installation.

High-quality materials and finish

This screw is made from hardened steel and features an electrolytically zinc-plated finish. This provides:

• Corrosion resistance: Protection against rust and wear.
• Durability: Longer lifespan, even in demanding environments.

Technical specifications

• Diameter (d): 5.5 mm
• Length (l): 25 mm
• Head height (k): 5.45 mm
• Wrench size (s): 8 mm
• Drilling capacity: Suitable for sheet thicknesses from 1.75 to 5.25 mm

Application possibilities

This self-drilling screw is ideal for:

• Metal constructions: Fastening metal sheets and profiles.
• Installation work: Mounting ventilation ducts and cable trays.
• General construction applications: Where quick and strong metal fastening is required.

Advantages of the hexagon head

The hexagon head offers:

• Improved grip: Reduces the risk of slipping during installation.
• Easy installation: Compatible with standard hex keys and sockets.

Important considerations

• Material compatibility: Not suitable for use in stainless steel or hard metals without pre-drilling.
• Sealing: For applications where watertightness is required, a sealing ring may be needed.

With the DIN7504K hexagon self-drilling screw 5.5x25 mm, you choose an efficient and reliable solution for various metal fastenings.