5.5x25 DIN 7504 K A2 Stainless Steel Self-Drilling Screw

5.5x25 DIN 7504 K A2 Stainless Steel Self-Drilling Screw

The 5.5x25 DIN 7504 K A2 stainless steel self-drilling screw is designed for fast, secure and reliable fastening of aluminium profiles, aluminium sections and lightweight metal components without the need for pre-drilling. Its integrated drill point allows drilling and fastening in a single operation, reducing installation time and increasing productivity.

Manufactured from A2 stainless steel (AISI 304 / EN 1.4301), the screw provides excellent corrosion resistance in indoor and outdoor environments exposed to normal atmospheric conditions. The hex washer head ensures high torque transmission, even clamping force and a secure connection.

Applications

• Aluminium profiles

• Aluminium sections

• Lightweight steel constructions

• HVAC systems

• Ventilation installations

• Metal fabrication

• Roofing and cladding

• Industrial equipment

• General construction and maintenance

Product Features

• Standard: DIN 7504 K

• Material: A2 Stainless Steel (AISI 304 / EN 1.4301)

• Size: 5.5 × 25 mm

• Head: Hex washer head

• Self-drilling point – no pre-drilling required

• Excellent corrosion resistance

• Fast and easy installation

• Professional quality

• Suitable for indoor and outdoor use

Advantages

• Saves installation time by drilling and fastening in one step

• Provides a strong and reliable fixing

• Resistant to rust and corrosion

• Long service life

• Ideal for professional installers and industrial applications

Technical Information

• Standard: DIN 7504 K

• Material: Stainless Steel A2 (AISI 304 / EN 1.4301)

• Thread: Self-drilling thread

• Head Type: Hex washer head

• Drive: Hex socket

Keywords

DIN 7504 K, self-drilling screw, stainless steel self-drilling screw, A2 self-drilling screw, AISI 304 screw, hex washer head screw, aluminium profile screw, aluminium fixing screw, metal screw, stainless steel fastener, 5.5x25 self-drilling screw.

Technical Dimensions

All dimensions are in millimetres (mm).

*Dimensions are nominal values according to the DIN 7504 K standard and may vary slightly depending on the manufacturer.