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A4 Self-Tapping

Bi-Metal A4 Self-Tapping fasteners are designed for secure fixing into aluminium and lightweight metal applications where corrosion resistance and clean installation are essential. Manufactured from high-grade A4 stainless steel, these self-tapping screws provide reliable fastening performance, long-term durability, and excellent resistance to harsh external and marine environments for architectural, façade, and construction projects.

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Bi-Metal A4 Self-Tapping fasteners are specifically designed for fastening into aluminium and lightweight metal substrates where high corrosion resistance and reliable long-term performance are essential. Manufactured from premium A4 stainless steel, these self-tapping screws provide clean, secure fixing without the need for additional coatings, making them ideal for façade systems, aluminium framing, cladding, marine environments, and external construction applications exposed to moisture and harsh weather conditions. Their precision thread design ensures strong holding power and efficient installation across a wide range of architectural and industrial projects.

Related Steel
Fixing Solutions

For other applications and material types, explore our wider range of self-drilling and metal framing fixings. Our Wing Drills for Light Steel, Tek 5 Self Drilling Screws, and Metal Framing Screws provide reliable solutions for fixing into light or heavy gauge steel sections and general metal construction applications, ensuring strong, efficient installation across a variety of structural and framing scenarios

Wing Drill Screws for Light Steel

Tek 5 Self-Drilling Screws 

Metal Framing Screws 

Frequently asked questions

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