{"product_id":"national-marker-n152121-5-in-heavy-duty-door-barrel-bolt","title":"National Marker N152121 5 in Heavy Duty Door Barrel Bolt","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe NATIONAL MARKER N152121 is a heavy-duty surface-mount barrel bolt designed for securing doors on farm buildings, sheds, stockrooms, and other demanding applications. Built for extra heavy-duty use, this bolt provides a straightforward sliding latch mechanism that adds a reliable layer of physical security to hinged doors and gates. It accepts a padlock for enhanced lockout capability, making it practical for facilities requiring controlled access. Licensed tradespeople and property maintenance professionals typically specify this hardware for agricultural and light commercial installations where robust door security is required.\u003c\/p\u003e\u003cp\u003eThis barrel bolt is suited for surface-mount installation on interior and exterior doors in residential, agricultural, and light commercial settings. Typical applications include barn doors, shed entries, stockroom access points, and utility enclosures. The included surface and universal strikes expand fitment options across a range of door frame profiles. Mounting with carriage bolts is supported for increased tamper resistance in high-traffic or higher-security environments.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eExtra heavy-duty construction rated for demanding farm, shed, and stockroom door applications\u003c\/li\u003e\n\u003cli\u003eAccepts a padlock for secondary lockout or restricted-access control\u003c\/li\u003e\n\u003cli\u003eCompatible with carriage bolt mounting for added tamper resistance\u003c\/li\u003e\n\u003cli\u003eIncludes both surface strike and universal strike for flexible frame fitment\u003c\/li\u003e\n\u003cli\u003eSurface-mount design simplifies installation on existing door assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or direct-install barrel bolt for heavy-duty door hardware applications on farm buildings, sheds, and stockroom doors as noted in National Catalog Model V832.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is typically performed by general contractors, maintenance technicians, or experienced DIYers using standard hand tools. Secure the bolt body and strike plate firmly to the door and frame using appropriately sized fasteners; carriage bolts are recommended where higher security is needed. Ensure the door is properly aligned before marking and drilling fastener holes to achieve smooth bolt travel. No electrical shutoff or specialty trade licensing is required for standard mechanical hardware installation.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1.35 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuty Rating\u003c\/strong\u003e: Extra Heavy Duty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrike Types Included\u003c\/strong\u003e: Surface strike and universal strike\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 00886780005233\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: NATIONAL MARKER\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: N152121\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NATIONAL MARKER","offers":[{"title":"Default Title","offer_id":51343325659442,"sku":"N152121","price":24.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310550185.jpg?v=1782020116","url":"https:\/\/voomisupply.com\/products\/national-marker-n152121-5-in-heavy-duty-door-barrel-bolt","provider":"Voomi Supply","version":"1.0","type":"link"}