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The NATIONAL MARKER N220822 is a stainless steel screw hook designed for marine and outdoor applications where corrosion resistance is essential. The hook features a lag screw thread for secure installation into wood substrates. Measuring 0.375 inches in diameter by 4.875 inches in length, it provides a reliable anchor point for hanging, securing, or suspending loads in harsh or moisture-exposed environments. The all-stainless construction ensures long service life without rust or degradation under prolonged exposure to salt air, humidity, and outdoor conditions. Sold individually, this hardware is well suited for docks, decks, piers, outdoor cabinetry, and similar structural or marine installations.
This screw hook is intended for use in marine environments and general outdoor construction where standard zinc or steel hardware would corrode prematurely. Typical applications include boat docks, outdoor storage areas, coastal structures, pool enclosures, and any setting where exposure to water, salt, or humidity demands corrosion-resistant fasteners. The lag thread style makes it appropriate for wood framing, decking lumber, and similar substrates commonly found in these settings.
Designed as a general-purpose stainless steel screw hook for wood substrates in marine and outdoor construction applications.
Installation is typically performed by carpenters, marine contractors, or qualified tradespeople working on outdoor or waterfront structures. Pre-drilling a pilot hole into the wood substrate is recommended to prevent splitting and to ease installation. Ensure the substrate material and load rating are appropriate for the intended application before installing. Disengage any attached loads or rigging before removing or repositioning the hook.
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