{"product_id":"18x18-bolted-steel-mounting-brackets-for-trailer-tool-box-durable","title":"18x18 Bolted Steel Mounting Brackets for Trailer Tool Box - Durable","description":"\u003cp\u003eIn this review the 18x18 Bolted Steel Mounting Brackets are judged on fit, strength and corrosion resistance for underbody and trailer tongue tool boxes. The bottom line: these brackets are best for owners who need a simple, sturdy way to bolt an underbody truck toolbox or trailer tool box to a frame; the heavy steel construction and black surface coating deliver the single biggest advantage, reliably holding weight and resisting rust over time.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize and fit:\u003c\/strong\u003e The 18(L) x 3.15(W) x 18(H) dimensions suit most underbody and tongue tool box installations and provide clear reference for measuring mounting points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold in pairs:\u003c\/strong\u003e Supplied as a set of 2 so users receive both mounting sides needed for a typical toolbox installation without extra purchases.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteel construction:\u003c\/strong\u003e Made of steel to provide structural strength and the rigidity required for supporting heavy tool boxes on trailers and trucks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack coated surface:\u003c\/strong\u003e The coating offers corrosion resistance and extends service life when exposed to road conditions and weather.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWelded channel design:\u003c\/strong\u003e The welding and channel steel shape improve load distribution and make the brackets easier to align during bolted installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis product is aimed at truck and trailer owners who install or replace an underbody truck toolbox or a trailer tongue tool box and need a durable, bolt-on mounting solution. Mechanics, fleet managers or DIYers who value straightforward hardware with clear dimensions will find these brackets practical.\u003c\/p\u003e\n\u003cp\u003eThose who need a custom-fitted or decorative mounting system, a powder-coated color match, or brackets with integrated lock features should look elsewhere; this set focuses on plain strength and corrosion resistance rather than aesthetic customization or accessory integration.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSolid steel build gives dependable \u003cstrong\u003estrength\u003c\/strong\u003e for heavy tool boxes and long-term use.\u003c\/li\u003e\n\u003cli\u003eBlack surface coating reduces corrosion risk and helps maintain appearance over time.\u003c\/li\u003e\n\u003cli\u003eWelding design of channel steel simplifies alignment and improves load handling.\u003c\/li\u003e\n\u003cli\u003eSold in pairs so both mounting points are provided in one purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSurface finish is a functional black coating rather than a decorative powder coat, so appearance options are limited.\u003c\/li\u003e\n\u003cli\u003eDimensions are fixed; buyers must confirm the 18 x 3.15 x 18 size suits their frame and toolbox before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eUnderbody \/ trailer tongue mounting brackets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e18(L) x 3.15(W) x 18(H) in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003eSold in pairs (set of 2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurface finish\u003c\/td\u003e\n\u003ctd\u003eBlack coated, corrosion resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDesign\u003c\/td\u003e\n\u003ctd\u003eWelded channel steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 18x18 Bolted Steel Mounting Brackets are a practical, value-focused choice for anyone fitting an underbody or trailer tongue tool box who needs reliable \u003cstrong\u003efunctionality\u003c\/strong\u003e and corrosion resistance. They deliver solid construction and the necessary hardware in a simple, no-frills package, making them a sensible buy for DIY installers and fleets that prioritize strength and longevity.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill these brackets fit most underbody tool boxes?\u003c\/strong\u003e\u003cbr\u003eThey fit many common underbody and trailer tongue tool boxes, but you should confirm the 18(L) x 3.15(W) x 18(H) dimensions match your box and frame spacing before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these brackets welded or bolted?\u003c\/strong\u003e\u003cbr\u003eThe product uses a welded channel steel design and is supplied for bolted installation; welding in the channel improves rigidity while mounting is accomplished with bolts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do they resist rust?\u003c\/strong\u003e\u003cbr\u003eThe steel brackets have a black coating on the surface that provides corrosion resistance and helps extend service life in outdoor use.\u003c\/p\u003e","brand":"GESEXI","offers":[{"title":"Default Title","offer_id":48189153018075,"sku":"B0C4STXB64","price":71.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61EDZkYH_jL._AC_SL1500.jpg?v=1769446895","url":"https:\/\/gearmusthave.com\/products\/18x18-bolted-steel-mounting-brackets-for-trailer-tool-box-durable","provider":"GearMustHave","version":"1.0","type":"link"}