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Hanger Bolts

The double-threaded screw (also known as a hanger bolt) is a highly versatile screw type used in photovoltaic roof mounting systems. It features a dual-thread design – a wood or sheet metal thread for anchoring into rafters and a metric thread for attaching mounting rails, roof hooks, or support brackets. This design provides a strong, load-bearing connection with excellent stability. Made from stainless steel, these screws are corrosion-resistant and ideal for use on tile roofs, trapezoidal sheet roofs, and timber substructures. A durable and reliable fastening solution for solar roof installations.

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