{"product_id":"national-hardware-5-8-in-d-x-3-1-8-in-l-matte-black-steel-sliding-door-hardware-connecting-adapter","title":"National Hardware 5\/8 in. D X 3-1\/8 in. L Matte Black Steel Sliding Door Hardware Connecting Adapter","description":"\u003cdiv\u003e\n\u003cp\u003eThe National Hardware 5\/8 in. D x 3-1\/8 in. L Matte Black Steel Sliding Door Hardware Connecting Adapter is a purpose-built connector designed to join key components in National Hardware sliding door systems with reliability and style. Crafted from solid steel and finished in a contemporary matte black, this adapter blends durability with a clean, modern look that fits both new installations and updates to existing doors.\u003c\/p\u003e \u003cp\u003eKey details at a glance\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 5\/8 in. (0.625 in.)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 3-1\/8 in.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Matte Black\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Steel\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIncludes hardware:\u003c\/strong\u003e Yes\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Clamshell\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e National Hardware\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Sliding Door Hardware Connecting Adapter\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this adapter matters\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePrecise compatibility: designed to work seamlessly with National Hardware sliding door systems, ensuring correct spacing and alignment for smooth operation.\u003c\/li\u003e \u003cli\u003eDurable performance: steel construction provides lasting strength to handle daily door use, while the matte black finish keeps hardware looking sleek over time.\u003c\/li\u003e \u003cli\u003eVersatile installation: appropriate for both new builds and retrofits, making it a practical upgrade for interior doors, barn doors, and room dividers that rely on reliable connectors.\u003c\/li\u003e \u003cli\u003eEasy setup: includes the necessary mounting hardware, so you can move quickly from unpacking to a secure, functioning door.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhere you’ll feel the difference\u003c\/p\u003e\n\u003col\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofit projects:\u003c\/strong\u003e replace worn or mismatched adapters to restore smooth, quiet door movement without reworking the entire hardware system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNew installations:\u003c\/strong\u003e pair with compatible National Hardware components to achieve a clean, cohesive look and dependable performance from day one.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStyle and practicality:\u003c\/strong\u003e the matte black finish complements a wide range of interior designs, from industrial to contemporary, while the steel body provides robust support.\u003c\/li\u003e\n\u003c\/ol\u003e \u003cp\u003eInstallation tips for best results\u003c\/p\u003e\n\u003col\u003e \u003cli\u003eVerify your track and roller configuration are compatible with a 5\/8 in. diameter, 3-1\/8 in. length adapter before starting.\u003c\/li\u003e \u003cli\u003eAlign the adapter with the mounting points on the door or track bracket, then secure using the included hardware. Ensure hardware is tightened firmly but not overtightened to avoid stripping.\u003c\/li\u003e \u003cli\u003eTest door operation by opening and closing several times. If you notice any binding or roughness, slightly adjust the adapter’s position along the mounting points to achieve a smooth glide.\u003c\/li\u003e\n\u003c\/ol\u003e \u003cp\u003eCare and maintenance\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eWipe with a soft, damp cloth to remove dust and fingerprints. Avoid abrasive cleaners that could dull the matte finish.\u003c\/li\u003e \u003cli\u003ePeriodically check fasteners and re-tighten as needed to maintain optimal door alignment and performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for DIY enthusiasts, contractors, and remodelers, this National Hardware sliding door connecting adapter delivers a precise fit, enduring strength, and a finish that enhances any door project. If you’re building, upgrading, or refreshing sliding doors that rely on National Hardware components, this adapter is a dependable, out-of-the-box solution that helps your doors operate smoothly and look great for years to come.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"National Hardware","offers":[{"title":"Default Title","offer_id":52181657583890,"sku":"5036539","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/5036539_A.eps_High.jpg?v=1775679101","url":"https:\/\/nationalhardwaregroup.com\/products\/national-hardware-5-8-in-d-x-3-1-8-in-l-matte-black-steel-sliding-door-hardware-connecting-adapter","provider":"National Hardware Group","version":"1.0","type":"link"}