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The NATIONAL MARKER N151225 is a 2-inch barrel bolt designed for cellar windows and similar light-duty sliding door or gate applications. Built from cold rolled steel with a zinc finish, this bolt provides corrosion resistance in damp or below-grade environments where cellar windows are typically found. Pan head mounting screws are included, allowing direct installation without sourcing additional hardware. Locksmiths, general contractors, and maintenance technicians install this type of hardware during new construction or replacement service on basement and cellar window assemblies.
This barrel bolt is suited for residential and light commercial cellar windows, utility room doors, and small gate latches where a simple sliding bolt mechanism is required. The 2-inch barrel length is appropriate for standard cellar window frames. The included pan head screws make this a self-contained installation package for quick field service or retrofit work.
Designed as an OEM-style replacement or new-install barrel bolt for residential and light commercial cellar windows and small sliding door or gate latch applications.
Installation requires only a screwdriver matching the included pan head screws. Ensure the mounting surface is solid and free of rot or deterioration before fastening. In below-grade or high-moisture environments, apply a compatible sealant around the mounting plate to prevent water intrusion. No special trade license is required, though general contractors and maintenance technicians typically perform this work as part of a broader window or door service call.
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