{"product_id":"national-hardware-n104-349-box-rail-bracket-300-lb","title":"National Hardware N104-349 Box Rail Bracket 300 Lb","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe NATIONAL HARDWARE N104-349 is a galvanized steel single box rail bracket designed to support and mount box rail track systems in sliding door and barn door applications. Rated for 300 pounds of load capacity, this screw-on bracket provides a secure, corrosion-resistant mounting point for box rail hardware. It measures 2 inches in length, 4.5 inches in height, and 2.25 inches in width. The galvanized finish protects against rust and moisture, making it suitable for both interior and light-duty exterior installations. Mounting hardware is included. Installation is straightforward for carpenters, finish contractors, and general tradespeople working with overhead sliding door systems.\u003c\/p\u003e\u003cp\u003eThis bracket is intended for use with overhead box rail track systems in residential and light commercial sliding door installations. It is specifically compatible with N104-901 or N263-301 box rail. Typical applications include barn doors, bypass closet doors, and utility sliding door setups where a screw-on bracket mount is required. The bracket attaches to a structural header or framing member to carry the rail and door load.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e300 lb load capacity for reliable support of sliding door systems\u003c\/li\u003e\n\u003cli\u003eGalvanized steel construction resists corrosion and moisture\u003c\/li\u003e\n\u003cli\u003eScrew-on mount type for straightforward attachment to framing\u003c\/li\u003e\n\u003cli\u003eMounting hole diameter of 0.4375 inches for standard fastener compatibility\u003c\/li\u003e\n\u003cli\u003eMounting hardware included — no additional fasteners required separately\u003c\/li\u003e\n\u003cli\u003eCompact profile: 2 inches long, 4.5 inches high, 2.25 inches wide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with N104-901 or N263-301 box rail track systems.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is typically performed by a carpenter or general contractor. Before mounting, confirm that the header or structural member behind the mounting surface is adequate to support the rated 300 lb load. Use appropriately sized fasteners through the 0.4375-inch mounting holes and into solid framing or a structural header. Ensure the rail is level before final fastener tightening to prevent binding of the sliding door.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad Capacity\u003c\/strong\u003e: 300 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBracket Type\u003c\/strong\u003e: Single Box Rail Bracket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount Type\u003c\/strong\u003e: Screw-On\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 4.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 2.25 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Hole Diameter\u003c\/strong\u003e: 0.4375 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Galvanized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Hardware Included\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.75 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: NATIONAL HARDWARE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: N104-349\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"STANLEY","offers":[{"title":"Default Title","offer_id":51690376855858,"sku":"N104-349","price":26.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/b4d47dec7a38fc89d76e097b8cf2d8c5.jpg?v=1788269563","url":"https:\/\/voomisupply.com\/products\/national-hardware-n104-349-box-rail-bracket-300-lb","provider":"Voomi Supply","version":"1.0","type":"link"}