{"product_id":"deltana-dsh35u1b-spring-hinge-3-5x3-5-flat-black","title":"Deltana DSH35U1B Spring Hinge 3.5x3.5 Flat Black","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe DELTANA DSH35U1B is a 3.5 x 3.5 inch spring hinge finished in flat black. Spring hinges are self-closing door hardware components that use internal spring tension to return a door to its closed position automatically. This hinge installs on interior or exterior doors in residential and light commercial settings. It measures 3.5 inches in leaf width and 3.5 inches in leaf height, with a package length of 5 inches and a package width of 3.1 inches. At 0.7 pounds, it is a compact, single-unit component suited for standard door applications where code or building design requires a self-closing function.\u003c\/p\u003e\n\u003cp\u003eThe DSH35U1B is appropriate for use on passage doors, corridor doors, and other door assemblies that require automatic closure. The flat black finish suits modern, industrial, and matte-aesthetic installations. Carpenters, door hardware installers, and general contractors typically specify this hinge on projects where self-closing doors are required by fire code or building design standards. It is sold individually and available in case quantities of 50 units for larger projects.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSelf-closing spring mechanism returns door to closed position automatically\u003c\/li\u003e\n  \u003cli\u003e3.5 x 3.5 inch leaf dimensions suit standard residential and light commercial door frames\u003c\/li\u003e\n  \u003cli\u003eFlat black finish provides a clean, matte appearance\u003c\/li\u003e\n  \u003cli\u003eCompact profile at 0.7 pounds per unit\u003c\/li\u003e\n  \u003cli\u003eSold as individual unit with case quantity of 50 available for high-volume orders\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or new-installation spring hinge for standard residential and light commercial doors accepting a 3.5 x 3.5 inch hinge footprint.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eSpring hinges are installed by qualified carpenters or door hardware professionals. Power down any electric strike or access control hardware on the door before beginning work. A standard mortise chisel and screwdriver or drill with appropriate bit are typically required for proper seating of the hinge leaf into the door edge and frame. Confirm that door clearances and frame conditions meet applicable building code requirements before installation.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLeaf Size\u003c\/strong\u003e: 3.5 x 3.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Flat Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Length\u003c\/strong\u003e: 5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Width\u003c\/strong\u003e: 3.1 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Height\u003c\/strong\u003e: 1 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.7 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSales Unit\u003c\/strong\u003e: Each\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCase Quantity\u003c\/strong\u003e: 50\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: DELTANA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: DSH35U1B\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DELTANA","offers":[{"title":"Default Title","offer_id":51558381715762,"sku":"DSH35U1B","price":21.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/21715fcdbcc91a5b26bca59593985a70.jpg?v=1786410645","url":"https:\/\/voomisupply.com\/products\/deltana-dsh35u1b-spring-hinge-3-5x3-5-flat-black","provider":"Voomi Supply","version":"1.0","type":"link"}