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The NATIONAL MARKER N830328 is a satin nickel door hinge sold in a 3-pack, designed for standard residential and light commercial door installations. Each hinge measures 3.5 inches by 0.625 inch radius and is constructed from heavy-gauge cold-rolled steel for reliable strength and long service life. The 5-knuckle design provides smooth, consistent pivot action, while countersunk screw holes allow fasteners to sit flush for a clean, professional finish. A nib on each hinge leaf ensures a finished appearance at the door frame. This hinge is installed by carpenters, general contractors, and facility maintenance technicians.
This hinge is suited for interior door installations in residential and light commercial settings. The satin nickel finish blends with contemporary hardware finishes commonly specified in new construction and renovation projects. The 3-pack format is practical for single door installations, which typically require three hinges per door leaf. Installers working on multiple doors will find the consistent factory finish reduces touch-up work on site.
Designed as a standard OEM-style replacement or new-installation hinge for residential and light commercial interior doors requiring a 3.5-inch hinge with a 0.625-inch radius corner.
Installation is performed by carpenters or general maintenance technicians using a chisel, router, or hinge mortising jig to set the leaf into the door and frame. Ensure the door and frame mortises are cut to the correct depth so the hinge leaf sits flush before fastening. Use appropriately sized wood screws through the countersunk holes and confirm alignment before fully seating all fasteners. Follow applicable local building codes for door hardware specifications.
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