{"product_id":"ajdhdga-universal-roof-box-u-bolt-clamps-kit-4-u-bolts-8-lock-nuts-fits-rails-up-to-85-mm-galvanized","title":"AJDHDGA Universal Roof Box U-Bolt Clamps Kit — 4 U-Bolts, 8 Lock Nuts, Fits Rails up to 85 mm, Galvanized","description":"\u003cp\u003e\u003cstrong\u003eAJDHDGA Universal Roof Box U-Bolt Clamps are a complete mounting kit that secures most roof boxes and cargo racks to vehicle rails using four galvanized U-bolts, rubber gaskets, plastic backing plates, eight lock nuts and two straps.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhether you're fitting a new roof box or replacing worn hardware, this kit is designed to attach a variety of cargo shells and roof racks to crossbars up to 85 mm wide. Built from corrosion-resistant galvanized steel with rubber washers and plastic back plates, the set reduces abrasion on vehicle paint and increases grip on curved or flat rails. The package includes everything needed for a straightforward install and comes with a one-year warranty and customer support.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these U-bolt clamps attach a roof box to different rail types?\u003c\/h3\u003e\n\n\u003cp\u003eThese U-bolt clamps wrap around round, square or slightly profiled rails and fasten to the roof box’s base using the included lock nuts and backing plates. Rubber washers cushion the metal-to-metal contact, reducing movement and protecting paintwork. The plastic back plates spread load across the contact area to prevent local pressure points.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFits crossbars and rails up to 85 mm wide\u003c\/li\u003e\n  \u003cli\u003eGalvanized steel U-bolts resist rust in wet climates\u003c\/li\u003e\n  \u003cli\u003eRubber gaskets reduce vibration and protect paint\u003c\/li\u003e\n  \u003cli\u003ePlastic support plates distribute clamping force evenly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I install this kit myself, and what tools are required?\u003c\/h3\u003e\n\n\u003cp\u003eYes — the kit is made for DIY installation with no special skills needed. Typically you need a wrench or socket set to tighten the lock nuts and a screwdriver if your roof box has captive fasteners. The U-bolts are sized and supplied with long enough straps to allow for easy positioning before final tightening.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eHand tools only: wrench\/socket set recommended\u003c\/li\u003e\n  \u003cli\u003ePre-assembled parts make placement straightforward\u003c\/li\u003e\n  \u003cli\u003eClearances and strap length accommodate most installs\u003c\/li\u003e\n  \u003cli\u003eInstructions and customer support available for questions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat durability and protection features keep the mount secure?\u003c\/h3\u003e\n\n\u003cp\u003eThe clamps combine galvanized steel with rubber and plastic components to balance strength and surface protection. Galvanization slows corrosion from road salt and moisture, while rubber washers and plastic plates guard vehicle finishes and reduce loosening caused by vibration. High-performance lock nuts provide a firm hold under load.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eGalvanized finish for corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eRubber washers prevent scratches and dampen vibration\u003c\/li\u003e\n  \u003cli\u003ePlastic plates increase bearing area and grip\u003c\/li\u003e\n  \u003cli\u003eEight lock nuts for redundant, secure fastening\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the package and what if I need help?\u003c\/h3\u003e\n\n\u003cp\u003eThe kit contains four U-bolts, four rubber washers, four plastic support plates, eight lock nuts, two straps and one sticker. All parts are inspected before shipping and AJDHDGA offers a one-year warranty plus responsive customer service for installation or fit questions. If a part is missing or you have fitment concerns, contact support for assistance within the warranty period.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e4 galvanized U-bolts and 8 lock nuts included\u003c\/li\u003e\n  \u003cli\u003e4 rubber washers and 4 plastic support plates\u003c\/li\u003e\n  \u003cli\u003e2 adjustable straps for temporary positioning\u003c\/li\u003e\n  \u003cli\u003e1-year warranty and customer support response within 12 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This AJDHDGA mounting kit is suited for drivers who need a reliable, low-cost solution to mount a roof box or replace worn clamps on cars, vans and SUVs. It’s ideal for weekend travelers, tradespeople who use rooftop cargo, and anyone seeking durable, paint-safe hardware compatible with a wide variety of crossbars and rails.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will these U-bolt clamps fit my roof rails?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They fit most rails and crossbars up to 85 mm wide; compare your rail width to ensure compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need special tools to install the kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No special tools required; a standard wrench or socket set is usually sufficient for installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AJDHDGA","offers":[{"title":"Default Title","offer_id":48084410040478,"sku":"B0B99YVQ5M","price":34.38,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ajdhdga-front-packaging-roof-clamps.jpg?v=1785854364","url":"https:\/\/northtrailauto.ca\/products\/ajdhdga-universal-roof-box-u-bolt-clamps-kit-4-u-bolts-8-lock-nuts-fits-rails-up-to-85-mm-galvanized","provider":"North Trail Auto","version":"1.0","type":"link"}