12 self drilling screws

Washer head machine screws are characterized by their broad, flat heads that resemble a washer. This design provides a larger bearing surface than standard screws, which helps distribute the load more evenly across the material being fastened. The head’s geometry often includes a recessed area for a driver, facilitating easy installation and removal. Additionally, these screws are typically made from high-strength materials such as stainless steel, carbon steel, or alloy steel, ensuring durability and resistance to corrosion and wear.


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Rigid insulation nails are typically made of durable materials such as galvanized steel or stainless steel to ensure they can withstand the elements and provide long-lasting support for the insulation board. They are available in a variety of lengths to accommodate different thicknesses of insulation board and come with a washer or base plate to help distribute the weight of the insulation evenly and prevent it from pulling away from the substrate over time.


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