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Manufactured to DIN 571 standards from premium 316 stainless steel, they offer outstanding durability, excellent corrosion resistance, and long-term reliability even in harsh, saltwater or chemically exposed environments.\u003c\/p\u003e\n\n\u003cp\u003eThe heavy-duty hex head design allows for secure tightening with standard tools, delivering a strong, stable fixing into timber and other suitable substrates. Their robust construction and high tensile strength make them ideal for use in construction, decking, framing, fencing, marine fixtures, industrial installations, and other projects where safety and performance are critical.\u003c\/p\u003e\n\n\u003cp\u003eThanks to the superior corrosion resistance of A4 \/ 316 stainless steel, these coach screws are particularly well suited to outdoor, coastal, and marine environments where protection against rust and staining is essential. 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