Fasteners Metal Drilling Class 4

This category includes high-performance self-drilling screws with a Class 4 galvanised coating—providing a thicker, heavy-duty corrosion resistance layer ideally suited for outdoor, coastal, or industrial environments.

These fasteners feature hardened, TEK-style points capable of drilling through up to 4.5 mm mild steel, and often include flanged or sealing washers for enhanced load support and protection against wind uplift—making them especially effective for metal-to-metal fastening, sheet cladding, and structural framing applications

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