WARM ROOF DECK INSULATION RETAINING SCREWS The product is a pack of 100 6mm x 220mm structural wood screws with a zinc coating. These screws have a TX Star flange head design, making them easy to drive into wood materials. The metric system of measurement ensures precise sizing for optimal performance. Made from steel, these flat head screws are sturdy and durable for long-lasting use in various construction projects.
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