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These universal bitumen roof sheet screws are designed for securing Onduline corrugated sheets, ridges, and end pieces. Each screw measures 65mm long and features a low-profile 3.9mm head and a 16mm integrated washer to create a weatherproof seal. The Phillips head allows easy installation with a standard screwdriver. Supplied in a pack of 100, they have a black matt finish that blends with the roof surface.
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