{"product_id":"national-marker-n830424-3-in-square-corner-door-hinge","title":"National Marker N830424 3 in Square Corner Door Hinge","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe NATIONAL MARKER N830424 is a 3-inch square corner door hinge built from heavy-gauge cold-rolled steel for lasting strength in demanding installations. It features a 5-knuckle full mortise design with a flush pin for a clean, finished appearance. Countersunk screw holes allow fasteners to sit flush with the hinge leaf surface. The removable pin simplifies door hanging and removal, reducing installation time on the job. This hinge suits interior and exterior door applications where a traditional square corner profile is required.\u003c\/p\u003e\n\u003cp\u003eThe N830424 is appropriate for residential and light commercial door installations where a full mortise, square corner hinge is specified. It is commonly installed on passage doors, utility doors, and cabinet-style applications requiring a standard 3-inch hinge footprint. The black finish provides a consistent look on painted or dark-finished door frames. Sold individually, this hinge fits standard mortise cutouts and is compatible with typical wood door jamb and door edge preparations.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eHeavy-gauge cold-rolled steel construction for added load strength\u003c\/li\u003e\n  \u003cli\u003e5-knuckle full mortise design for flush, integrated door mounting\u003c\/li\u003e\n  \u003cli\u003eSquare corners match standard mortise cutout profiles\u003c\/li\u003e\n  \u003cli\u003eFlush pin delivers a clean, finished appearance when installed\u003c\/li\u003e\n  \u003cli\u003eCountersunk screw holes allow fasteners to sit flush with the hinge leaf\u003c\/li\u003e\n  \u003cli\u003eRemovable pin for easier door installation and removal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or new-installation hinge for standard 3-inch full mortise square corner door applications in residential and light commercial construction.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is typically performed by carpenters, general contractors, or maintenance trades using a chisel and drill for mortise preparation. Power down any electric strike or access control hardware before working on the door frame. Ensure mortise depth matches hinge leaf thickness so the installed hinge sits flush with the door edge and jamb surface. Follow applicable building codes for door hardware installation in your jurisdiction.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHinge Size\u003c\/strong\u003e: 3 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorner Style\u003c\/strong\u003e: Square\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDesign\u003c\/strong\u003e: 5 Knuckle Full Mortise\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Cold-Rolled Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin Type\u003c\/strong\u003e: Removable Flush Pin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eScrew Holes\u003c\/strong\u003e: Countersunk\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.305 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: Each\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: NATIONAL MARKER\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: N830424\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NATIONAL MARKER","offers":[{"title":"Default Title","offer_id":51344777216306,"sku":"N830424","price":20.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310550695.jpg?v=1782043323","url":"https:\/\/voomisupply.com\/products\/national-marker-n830424-3-in-square-corner-door-hinge","provider":"Voomi Supply","version":"1.0","type":"link"}