{"product_id":"trailer-hasp-bolt-kit-5-16-18-dome-head-barrel-nut-cam-bar-lock","title":"Trailer Hasp Bolt Kit — 5\/16\"-18 Dome Head Bolts with Barrel Nuts for Cam Bar Locks (1-1\/2\", 2\", 2-1\/2\")","description":"\u003ch2\u003eTrailer Hasp Bolt Kit — 5\/16\"-18 Dome Head Bolts with Barrel Nuts for Cam Bar Locks, Hasps \u0026amp; Door Hardware\u003c\/h2\u003e\n\n\u003cp\u003eThis \u003cstrong\u003eTrailer Hasp Bolt Kit\u003c\/strong\u003e contains everything you need to mount or replace the fasteners on your trailer's \u003cstrong\u003ecam bar locks, door hasps, swing hinges, and door handles\u003c\/strong\u003e. Each kit includes four \u003cstrong\u003e5\/16\"-18 dome head bolts\u003c\/strong\u003e and four matching \u003cstrong\u003e5\/16\"-18 barrel nuts (cross dowel nuts)\u003c\/strong\u003e — the exact hardware used on factory-installed cam bar locking systems on enclosed cargo, horse, utility, and toy hauler trailers.\u003c\/p\u003e\n\n\u003cp\u003eAvailable in \u003cstrong\u003ethree bolt lengths — 1-1\/2\", 2\", and 2-1\/2\"\u003c\/strong\u003e — to fit standard, thick, and extra-thick door panel applications. Select your length from the dropdown above.\u003c\/p\u003e\n\n\u003cp\u003eThe dome head design keeps bolt heads flush and snag-free on the interior of your trailer, protecting your cargo and equipment from catching on exposed hardware. Stainless steel construction resists rust and corrosion for lasting performance even in outdoor and wet conditions.\u003c\/p\u003e\n\n\u003ch3\u003e📏 Available Sizes\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eBolt Length\u003c\/th\u003e\n\u003cth\u003eAAA Part #\u003c\/th\u003e\n\u003cth\u003eMPN\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1-1\/2\"\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2409-01-042\u003c\/td\u003e\n\u003ctd\u003eF100271225-1-1\/2\u003c\/td\u003e\n\u003ctd\u003eStandard enclosed trailer door panels\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e2\"\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2409-01-042-2\u003c\/td\u003e\n\u003ctd\u003eF100271225-2\u003c\/td\u003e\n\u003ctd\u003eThicker panels, insulated doors, reinforced hasps\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e2-1\/2\"\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2409-01-042-2.5\u003c\/td\u003e\n\u003ctd\u003eF100271225-2-1\/2\u003c\/td\u003e\n\u003ctd\u003eExtra-thick panels, overlapping hardware stacks, heavy-duty applications\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e🔧 Key Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDome head design\u003c\/strong\u003e — smooth, rounded bolt head sits flush against trailer interior panels; no sharp protrusions to catch cargo, straps, or equipment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStainless steel construction\u003c\/strong\u003e — resists rust, corrosion, and oxidation for long-term performance in outdoor and wet environments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5\/16\"-18 coarse thread\u003c\/strong\u003e — the industry-standard thread spec for trailer cam bar locks, hasps, and door hardware\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel nut (cross dowel nut) included\u003c\/strong\u003e — designed to seat inside the trailer wall or hasp body for a secure, rattle-free connection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThree bolt lengths available\u003c\/strong\u003e — 1-1\/2\", 2\", and 2-1\/2\" to fit standard through extra-thick door panel applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuick installation\u003c\/strong\u003e — tighten with a standard 7\/32\" hex \/ Allen wrench; no special tools required\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-piece kit\u003c\/strong\u003e — enough hardware to replace all fasteners on one cam bar lock or hasp assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e📐 Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 bolts + 4 barrel nuts (8 pieces total)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBolt Thread Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5\/16\"-18 (coarse thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBolt Lengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1-1\/2\", 2\", or 2-1\/2\" (select above)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBolt Head Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDome head (truss head)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBolt Head Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBarrel Nut Thread\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5\/16\"-18 coarse thread\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBarrel Nut Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5\/8\" (0.625\")\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBarrel Nut Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.430\"\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation Tool\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7\/32\" hex \/ Allen wrench\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCam bar lock mounting, hasp mounting, door handle mounting, hinge fastening\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat Is This Hardware Used For?\u003c\/h3\u003e\n\u003cp\u003eThese bolts and barrel nuts are the \u003cstrong\u003efactory-standard fasteners used to mount cam bar locks, hasps, and door handles on enclosed trailers\u003c\/strong\u003e. The dome head bolt passes through the hasp or cam bar mounting bracket from the outside, and the barrel nut threads onto it from the inside of the trailer wall — drawing the assembly tight against the door panel without requiring access to a nut on the outside.\u003c\/p\u003e\n\n\u003cp\u003eCommon uses include:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplacing stripped, rusted, or missing cam bar lock mounting bolts\u003c\/li\u003e\n  \u003cli\u003eInstalling a new cam bar lock or hasp assembly\u003c\/li\u003e\n  \u003cli\u003eSecuring door handles, hinges, and interior mounting hardware\u003c\/li\u003e\n  \u003cli\u003eReplacing hardware on trailer ramp door bar latches\u003c\/li\u003e\n  \u003cli\u003eMounting camtainer and cam action hasp assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e📏 Choosing the Right Bolt Length\u003c\/h3\u003e\n\u003cp\u003eMeasure the total thickness your bolt needs to span: the exterior hasp or cam bar bracket, the door panel, and any interior reinforcement. Add about 1\/4\" for barrel nut seating depth.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1-1\/2\"\u003c\/strong\u003e — most standard enclosed cargo trailer doors (plywood core between aluminum skins, typical 1-1\/8\" to 1-1\/4\" door panel)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2\"\u003c\/strong\u003e — insulated trailers, refrigerated trailers, thicker reinforced doors, and applications where the hasp mounting plate stacks additional material\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2-1\/2\"\u003c\/strong\u003e — heavy-duty commercial trailers, extra-thick insulated panels, or multi-layer reinforcement behind the hasp\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eHardware Type\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCam Bar Locks\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eReplaces factory mounting bolts on standard cam bar lock assemblies used on enclosed trailer rear and side doors\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrailer Door Hasps\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDirect replacement for hasp mounting hardware on swing-door enclosed trailers\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwing Hinges \u0026amp; Door Handles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCompatible with most trailer door handle and hinge mounting applications using 5\/16\"-18 hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCamtainer Assemblies\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFits standard camtainer cam lock hardware used across most enclosed trailer brands\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBar Lock \/ Bar Latch Assemblies\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCompatible with most standard aluminum and steel bar lock assemblies on side and rear doors\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatible Trailer Brands \u0026amp; Types\u003c\/h3\u003e\n\u003cp\u003eThis bolt kit is compatible with the standard 5\/16\"-18 cam bar and hasp hardware used on trailers from: \u003cstrong\u003eHaulmark, Pace American, Wells Cargo, Cargo Mate, Continental Cargo, Featherlite, Sundowner, Exiss, Sooner, Logan Coach, Homesteader, Forest River, and most other major enclosed cargo, horse, livestock, and toy hauler trailer brands\u003c\/strong\u003e using standard cam bar lock door hardware.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTrailer types:\u003c\/strong\u003e Enclosed cargo trailers, horse and livestock trailers, toy hauler trailers, van trailers, motorcycle trailers, utility trailers with enclosed doors, and cargo vans with cam bar locking systems.\u003c\/p\u003e\n\n\u003ch3\u003e📦 What's Included (per kit)\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eQty\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDome Head Trailer Bolt\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e5\/16\"-18 × selected length (1-1\/2\", 2\", or 2-1\/2\") — stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBarrel Nut (Cross Dowel Nut)\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e5\/16\"-18 coarse thread — stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e💡 Pro Tips\u003c\/h3\u003e\n\u003cp\u003eInstallation requires only a \u003cstrong\u003e7\/32\" hex \/ Allen wrench\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInsert the dome head bolt through the mounting hole in the cam bar, hasp, or door handle bracket from the outside\u003c\/li\u003e\n  \u003cli\u003eThread the barrel nut onto the bolt from inside the trailer wall or panel\u003c\/li\u003e\n  \u003cli\u003eTighten with a 7\/32\" Allen wrench until the assembly is snug against the panel\u003c\/li\u003e\n  \u003cli\u003eDo not overtighten — snug is sufficient to prevent movement and rattling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow many bolts come in the kit?\u003c\/strong\u003e\u003cbr\u003e\nEach kit includes 4 dome head bolts and 4 barrel nuts — 8 pieces total. This is enough to fully replace the mounting hardware on one standard cam bar lock or hasp assembly. Order multiple kits if replacing hardware on multiple door assemblies.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat wrench size do I need?\u003c\/strong\u003e\u003cbr\u003e\nA \u003cstrong\u003e7\/32\" hex \/ Allen wrench\u003c\/strong\u003e fits the barrel nut. No wrench is needed for the dome head bolt — it is held in place by the dome head seating against the bracket.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWill this fit my Haulmark or Pace American trailer?\u003c\/strong\u003e\u003cbr\u003e\nYes — these are the industry-standard 5\/16\"-18 fasteners used on virtually all major enclosed trailer brands. Verify your existing hardware uses 5\/16\"-18 thread before ordering.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhich length do I need?\u003c\/strong\u003e\u003cbr\u003e\nMost standard enclosed cargo trailer doors use 1-1\/2\". Insulated or thick-panel applications often need 2\". Extra-heavy commercial or multi-layer mounting typically needs 2-1\/2\". Call or text us at \u003cstrong\u003e517-225-1991\u003c\/strong\u003e if you're not sure — we'll help you measure.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I use these on the exterior of my trailer?\u003c\/strong\u003e\u003cbr\u003e\nYes. The stainless steel construction is corrosion resistant and suitable for both interior and exterior trailer applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuestions?\u003c\/strong\u003e Call or text AAA Trailer at \u003cstrong\u003e517-225-1991\u003c\/strong\u003e — we stock a full range of trailer door hardware and can help you find exactly what you need. Same-day shipping from Howell, Michigan.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e📞 Call\/Text: 517-225-1991   🌐 AAATrailer.com\u003c\/strong\u003e\u003c\/p\u003e","brand":"Forest River","offers":[{"title":"1-1\/2\"","offer_id":52559975285045,"sku":"2409-01-042\/ 31C250BCG0Z","price":16.75,"currency_code":"USD","in_stock":true},{"title":"2\"","offer_id":52764727181621,"sku":"2409-01-042-2","price":17.75,"currency_code":"USD","in_stock":true},{"title":"2-1\/2\"","offer_id":52764727214389,"sku":"2409-01-042-2.5","price":18.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/9144\/0181\/files\/trailer-hasp-bolt-kit-5-16-18-dome-head-barrel-nut-cam--sq.jpg?v=1782503618","url":"https:\/\/aaatrailer.com\/products\/trailer-hasp-bolt-kit-5-16-18-dome-head-barrel-nut-cam-bar-lock","provider":"AAA Trailer","version":"1.0","type":"link"}