{"title":"Large Diameter Tapcons","description":"\u003ch2\u003eTapcon LDT Large Diameter Concrete Screws for Structural Anchoring\u003c\/h2\u003e\n\u003cp\u003eTapcon LDT large diameter concrete screws are engineered for high-load anchoring into concrete and grout-filled block. Designed for structural performance, the LDT line delivers increased tensile and shear capacity compared to standard masonry screws. These anchors are commonly used in ledger board installations, structural framing connections, and equipment mounting where strength and code compliance are essential.\u003c\/p\u003e\n\u003ch3\u003eBuilt for Heavy-Duty Performance\u003c\/h3\u003e\n\u003cp\u003eThe Tapcon LDT features a precision high-low thread design that cuts securely into base material, creating strong mechanical engagement without the need for wedge anchors or chemical adhesives. The hex washer head allows for efficient high-torque installation while providing solid clamping force against brackets, base plates, and framing components.\u003c\/p\u003e\n\u003cp\u003eMany LDT sizes are ICC-ES recognized for use in cracked and uncracked concrete, making them suitable for code-regulated and engineered applications when installed per manufacturer guidelines.\u003c\/p\u003e\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLedger board attachment for deck construction\u003c\/li\u003e\n\u003cli\u003eSecuring structural brackets and framing anchors\u003c\/li\u003e\n\u003cli\u003eMounting heavy equipment or racking systems\u003c\/li\u003e\n\u003cli\u003eGuardrail, safety barrier, and post installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Considerations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad Ratings:\u003c\/strong\u003e Verify shear and tension values meet project specifications and local code requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcrete Condition:\u003c\/strong\u003e Confirm approval for cracked or uncracked concrete based on application needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Style:\u003c\/strong\u003e Hex washer head provides improved torque transfer and surface clamping strength.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Protection:\u003c\/strong\u003e Available in zinc-plated and stainless steel options to match environmental exposure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eExplore Related Structural Anchors\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/www.uscargocontrol.com\/collections\/large-diameter-concrete-screws\"\u003eLarge Diameter Concrete Screws:\u003c\/a\u003e\u003c\/strong\u003e Heavy-duty masonry fasteners for structural applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/www.uscargocontrol.com\/collections\/wedge-anchors\"\u003eWedge Anchors:\u003c\/a\u003e\u003c\/strong\u003e Expansion anchors for permanent structural connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/www.uscargocontrol.com\/collections\/masonry-screws\"\u003eStandard Concrete Screws:\u003c\/a\u003e\u003c\/strong\u003e Ideal for lighter-duty masonry fastening.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Best Practices\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill the Proper Hole:\u003c\/strong\u003e Use a hammer drill and manufacturer-specified bit diameter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean the Hole:\u003c\/strong\u003e Remove dust and debris to ensure full thread engagement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive to Recommended Embedment:\u003c\/strong\u003e Seat the anchor snugly without over-torquing to maintain rated performance.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eNeed Help Selecting Tapcon LDT Anchors?\u003c\/h2\u003e\n\u003cp\u003eStructural fastening requires precision and compliance. Our product experts can help you determine the correct diameter, length, and finish for your project. \u003ca href=\"https:\/\/www.uscargocontrol.com\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e for professional guidance and contractor pricing support.\u003c\/p\u003e","products":[{"product_id":"3-8-x-1-3-4-ldt-tapcon-screw-zinc-pkg-50","title":"3\/8\" x 1-3\/4\" LDT Tapcon Screw, Zinc, Pkg 50","description":"\u003ch2\u003e3\/8\" x 1-3\/4\" LDT Tapcon Screw, Zinc, Pkg 50\u003c\/h2\u003e\n\u003cp\u003eThe 3\/8 inch x 1-3\/4 inch LDT Tapcon Zinc Concrete Screw Anchor is built for secure fastening into concrete, block, and brick. Designed for heavy-duty performance, it threads directly into pre-drilled holes without the need for expansion anchors or sleeves. Each 50-pack is ideal for structural and mechanical installations requiring dependable holding strength.\u003c\/p\u003e\n\n\u003ch2\u003e3\/8\" x 1-3\/4\" Zinc-Plated Large Diameter Concrete Screw Anchor\u003c\/h2\u003e\n\u003cp\u003eManufactured with a zinc-plated finish, this large diameter Tapcon anchor provides corrosion resistance for interior and dry applications. The hex washer head ensures strong torque control and consistent clamping force during installation.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eZinc-Plated Finish:\u003c\/strong\u003e Adds corrosion resistance for interior use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Diameter Design:\u003c\/strong\u003e Supports demanding load requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHex Washer Head:\u003c\/strong\u003e Delivers reliable torque and secure seating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Thread Engagement:\u003c\/strong\u003e No expansion sleeves or inserts required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStructural Brackets:\u003c\/strong\u003e Secure steel components to concrete.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment Mounting:\u003c\/strong\u003e Anchor light machinery to floors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLedger Board Attachment:\u003c\/strong\u003e Fasten wood framing to masonry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRailing Systems:\u003c\/strong\u003e Install handrails to concrete surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial Installations:\u003c\/strong\u003e Reinforce wall-mounted hardware.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Drill to Specification:\u003c\/strong\u003e Use the recommended masonry bit size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean Out Dust:\u003c\/strong\u003e Remove debris for optimal thread grip.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive with Proper Socket:\u003c\/strong\u003e Apply steady torque until firmly seated.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"US Cargo Control","offers":[{"title":"Default Title","offer_id":44481847689261,"sku":"LDT-3816","price":55.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0283\/2229\/9949\/files\/LDT-3816.01.jpg?v=1768411763"},{"product_id":"3-8-x-2-1-2-ldt-tapcon-410-stainless-steel-screw-pkg-50","title":"3\/8\" x 2-1\/2\" LDT Tapcon 410 Stainless Steel Screw, Pkg 50","description":"\u003ch2\u003e3\/8\" x 2-1\/2\" LDT Tapcon 410 Stainless Steel Screw, Pkg 50\u003c\/h2\u003e\n\u003cp\u003eThe 3\/8 inch x 2-1\/2 inch LDT Tapcon 410 Stainless Steel Screw Anchor is built for heavy-duty fastening into concrete, brick, and block. Designed to eliminate the need for sleeves or epoxy, this anchor cuts directly into pre-drilled holes for a secure, long-lasting hold. Each 50-pack is ideal for professional contractors handling structural and mechanical installations.\u003c\/p\u003e\n\n\u003ch2\u003e3\/8\" x 2-1\/2\" 410 Stainless Steel Concrete Screw Anchor\u003c\/h2\u003e\n\u003cp\u003eManufactured from hardened 410 stainless steel, this LDT anchor delivers dependable corrosion resistance in dry and mildly damp environments. The heavy-duty hex washer head provides strong torque transfer and consistent seating during installation.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e410 Stainless Steel Construction:\u003c\/strong\u003e Provides strength and corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Diameter Design:\u003c\/strong\u003e Supports heavy-load anchoring applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHex Washer Head:\u003c\/strong\u003e Ensures secure driving and solid clamping force.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Masonry Installation:\u003c\/strong\u003e No inserts or expansion anchors required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStructural Brackets:\u003c\/strong\u003e Secure heavy steel components to concrete.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMachinery Mounting:\u003c\/strong\u003e Anchor equipment bases to shop floors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLedger Boards:\u003c\/strong\u003e Fasten structural wood to masonry surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuardrails and Handrails:\u003c\/strong\u003e Install safety systems to concrete.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Racking:\u003c\/strong\u003e Anchor storage systems in warehouses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Drill to Spec:\u003c\/strong\u003e Use the recommended carbide masonry bit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean the Hole:\u003c\/strong\u003e Remove dust for optimal thread engagement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive with Socket:\u003c\/strong\u003e Use a properly sized socket for steady torque.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"US Cargo Control","offers":[{"title":"Default Title","offer_id":44481847918637,"sku":"SLDT-3824","price":315.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0283\/2229\/9949\/files\/SLDT-3824.01.jpg?v=1768411762"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0283\/2229\/9949\/collections\/media_af82a9cc-a505-4acb-b081-85cabc7a18ed.jpg?v=1771342413","url":"https:\/\/www.uscargocontrol.com\/collections\/large-diameter-tapcons.oembed","provider":"US Cargo Control","version":"1.0","type":"link"}