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Wall Screw is a specialized self-tapping screw with a cylindrical shaft. These screws almost always have a Phillips Bulge Head rather than a slotted head, which provides additional control for installers. Perfect for joining cladding sheets together, these TechFast roof stitching screws have a hex/flange head and a 16mm rubber washer which expands under pressure to form a permanent weather seal. The self-drilling screws can join up to three sheets of 0.7mm thickness.
| Materials | Steel |
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