{"product_id":"national-mfg-n830-403-4in-satin-brass-security-hinge-5-pack","title":"National Mfg N830-403 4in Satin Brass Security Hinge 5-pack","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe NATIONAL MFG\/SPECTRUM BRANDS HHI N830-403 is a full mortise security hinge designed for doors requiring a durable, finished-look fastening solution. Built from heavy gauge cold rolled steel, this 4-inch hinge delivers a 55-pound safe working load, making it suited for residential and light commercial door installations. The flush pin design gives a clean finished appearance, and the 5-knuckle construction provides smooth, reliable operation. Each hinge features countersunk screw holes and comes with fasteners included. Licensed contractors and finish carpenters install this type of hinge as part of door hardware rough-in and finish work.\u003c\/p\u003e\n\u003cp\u003eThis hinge is appropriate for full mortise door applications in residential construction and renovation projects. The square corner design suits standard door frame prep found in most residential and light commercial settings. The removable pin allows for easier door installation and removal during framing or finish stages. Each package contains 5 hinges, making it practical for multi-door jobs or full door sets. The satin brass finish suits interior door applications where a warm metallic tone is specified.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eHeavy gauge cold rolled steel construction for added strength and durability\u003c\/li\u003e\n  \u003cli\u003e55-pound safe working load rating\u003c\/li\u003e\n  \u003cli\u003eFlush pin design for a clean, finished appearance\u003c\/li\u003e\n  \u003cli\u003e5-knuckle full mortise design with square corner layout\u003c\/li\u003e\n  \u003cli\u003eCountersunk screw holes with fasteners included\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 full mortise door applications requiring a 4-inch square corner hinge with satin brass finish.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is typically performed by finish carpenters or licensed contractors during door hanging or replacement. Power down any associated electric strike or access control hardware before beginning work on the door frame. A sharp chisel and drill with appropriate bit are standard tools for mortising hinge pockets to the correct depth. Ensure the door is properly supported during pin removal to prevent damage to the frame or door edge.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHinge Size\u003c\/strong\u003e: 4 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Satin Brass\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\u003eDesign Type\u003c\/strong\u003e: Full Mortise, Square Corner\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafe Working Load\u003c\/strong\u003e: 55 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 5 per package\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFasteners Included\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 8.35 pounds\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 MFG\/SPECTRUM BRANDS HHI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: N830-403\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NATIONAL HARDWARE","offers":[{"title":"Default Title","offer_id":51562537681202,"sku":"N830-403","price":81.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/e2c0ac84e311add619ebd5e67014830d.jpg?v=1786479128","url":"https:\/\/voomisupply.com\/products\/national-mfg-n830-403-4in-satin-brass-security-hinge-5-pack","provider":"Voomi Supply","version":"1.0","type":"link"}