{"product_id":"national-marker-n830323-door-hinge-3-5-in-square-3-pack","title":"National Marker N830323 Door Hinge 3.5 in Square 3 Pack","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe NATIONAL MARKER N830323 is a 3.5-inch square door hinge finished in oil rubbed bronze, sold in a 3-pack. Built from heavy-gauge cold-rolled steel, this hinge is engineered for strength and durability in residential door installations. The 5-knuckle design provides smooth operation and a finished appearance, while counter-sunk screw holes allow fasteners to sit flush with the hinge leaf. A removable pin simplifies door hanging and removal during installation or service work. This hinge is a standard hardware item installed by carpenters, general contractors, and experienced DIYers.\u003c\/p\u003e\n\u003cp\u003eThis hinge is suited for interior and exterior residential door applications where a traditional oil rubbed bronze finish is specified. The 3.5-inch square format is a common size for standard passage doors. The 3-pack quantity covers a single door requiring three hinges, which is typical for taller or heavier door slabs. Catalog reference for this item is National Catalog Model V512.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eHeavy-gauge cold-rolled steel construction for added strength\u003c\/li\u003e\n  \u003cli\u003e5-knuckle design for smooth swing and finished appearance\u003c\/li\u003e\n  \u003cli\u003eCounter-sunk screw holes for flush fastener seating\u003c\/li\u003e\n  \u003cli\u003eRemovable pin for easier door installation and removal\u003c\/li\u003e\n  \u003cli\u003eOil rubbed bronze finish for a traditional aesthetic\u003c\/li\u003e\n  \u003cli\u003e3-pack quantity covers a single standard door\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standard 3.5-inch square residential door hinge suitable for typical passage door applications where an oil rubbed bronze finish is required.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by carpenters or general contractors using a chisel, drill, and appropriate wood screws. Power to any adjacent electrical components should be addressed before working in the door frame area. Confirm door frame mortise depth matches hinge leaf thickness before fastening. Use all provided screw holes for full load-bearing capacity.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHinge Size\u003c\/strong\u003e: 3.5 inches square\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Oil Rubbed Bronze\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Heavy-gauge cold-rolled steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKnuckle Count\u003c\/strong\u003e: 5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin Type\u003c\/strong\u003e: Removable\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eScrew Holes\u003c\/strong\u003e: Counter-sunk\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Weight\u003c\/strong\u003e: 1.325 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 00886780007695\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: N830323\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NATIONAL MARKER","offers":[{"title":"Default Title","offer_id":51342876574002,"sku":"N830323","price":23.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310550728.jpg?v=1782009300","url":"https:\/\/voomisupply.com\/products\/national-marker-n830323-door-hinge-3-5-in-square-3-pack","provider":"Voomi Supply","version":"1.0","type":"link"}