{"title":"Large Diameter Tapcons","description":"\u003ch2\u003eTapcon LDT Large Diameter Concrete Screws\u003c\/h2\u003e\n\u003cp\u003eTapcon LDT (Large Diameter Tapcon) screws are designed for heavy-duty anchoring in concrete and block. With higher tensile and shear values than standard Tapcon screws, the LDT line is ideal for structural connections, ledger boards, equipment mounting, and critical framing applications.\u003c\/p\u003e\n\u003cp\u003eFeaturing a hex washer head and advanced thread design, these anchors drive fast and deliver strong holding power, without the hassle of wedge anchors or epoxies. Many sizes are ICC-ES approved for use in cracked and uncracked concrete, making them a reliable choice for code-sensitive jobs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStructural Strength:\u003c\/strong\u003e Engineered for high-load applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHex Head Design:\u003c\/strong\u003e Fast installation with superior grip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant:\u003c\/strong\u003e Zinc \u0026amp; stainless steel options provide low to moderate corrosion resistance\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"3-8-x-1-3-4-ldt-tapcon-screw-zinc-pkg-50","title":"Tapcon 3\/8\" x 1-3\/4\" LDT Large Diameter Concrete Screw - Hex Head - Zinc | Qty. 50","description":"\u003cp\u003eLDT Tapcon® Concrete Screw Anchors are a proven solution for high-strength anchoring in concrete and masonry. With their robust design and aggressive thread profile, these heavy-duty screws provide consistent performance in structural, industrial, and commercial settings.\u003c\/p\u003e\n\n\u003cp\u003eBuilt for speed and holding power, these anchors cut their own threads into base material, no inserts or expansion required. The dual lead thread reduces installation time while maximizing grip, and their removable design makes them ideal for both temporary and permanent applications.\u003c\/p\u003e\n\n\u003cp\u003eEach screw features a hex washer head for strong driving torque and a zinc-plated finish that resists corrosion in interior and dry environments. Whether you're fastening ledgers, sills, brackets, or machinery, Tapcon LDT anchors deliver reliable, code-listed performance.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eZinc-Plated Protection:\u003c\/strong\u003e Guards against corrosion in indoor or non-corrosive environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Thread Design:\u003c\/strong\u003e Cuts deep and holds strong without anchors or sleeves.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCode-Listed Strength:\u003c\/strong\u003e Approved for structural and seismic applications in concrete.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuick \u0026amp; Clean Install:\u003c\/strong\u003e No secondary expansion, just drill, drive, and done.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemovable:\u003c\/strong\u003e Suitable for rework, maintenance, or temporary fixtures.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Tapcon","offers":[{"title":"Default Title","offer_id":34273437614216,"sku":"LDT-3816","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/8644\/4936\/products\/LDT-3816.01.jpg?v=1764937432"},{"product_id":"3-8-x-2-1-2-ldt-tapcon-410-stainless-steel-screw-pkg-50","title":"Tapcon 3\/8\" x 2-1\/2\" LDT Large Diameter Concrete Screw, Hex Head - 410 Stainless Steel | Qty. 50","description":"\u003cp\u003eThe \u003cstrong\u003eTapcon® LDT 410 Stainless Steel Concrete Screw Anchor\u003c\/strong\u003e is a tough, no-nonsense fastener built to secure heavy materials to concrete, brick, or block, without the hassle of sleeves or epoxy.\u003c\/p\u003e\n\n\u003cp\u003eMade from hardened 410 stainless steel, these anchors offer strong corrosion resistance in dry or mildly damp environments like garages, basements, warehouses, and outdoor covered spaces. The cutting threads drive directly into pre-drilled holes, creating a secure hold that won't back out over time.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eheavy-duty hex washer head\u003c\/strong\u003e provides solid torque during installation and a clean, flush appearance once seated. These anchors are great for mounting structural brackets, machinery, railings, ledger boards, and more.\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 Rust-resistant and strong.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrills in, Holds Tight:\u003c\/strong\u003e Cuts into concrete without inserts, expansion sleeves, or extra parts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHex Washer Head:\u003c\/strong\u003e Allows for strong, secure driving with reliable torque.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Tapcon","offers":[{"title":"Default Title","offer_id":34273441022088,"sku":"SLDT-3824","price":332.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/8644\/4936\/products\/SLDT-3824.01.jpg?v=1594748589"},{"product_id":"tapcon-1-4-x-1-3-4-maxi-set-concrete-screws-silver-ultrashield-qty-1","title":"Tapcon 1\/4\" x 1-3\/4\" Maxi-Set Concrete Screws - Silver Ultrashield","description":"\u003cp\u003e\u003cstrong\u003eMaxi-Set Tapcon Concrete Screw Anchors\u003c\/strong\u003e are designed for secure fastening into concrete, brick, and block. Built for high-performance anchoring, these large-diameter screw anchors cut their own threads into masonry, delivering strong, reliable holding power without the expansion forces of traditional anchors. Ideal for mounting shutters, porch components, electrical boxes, and other fixtures, they provide confidence on demanding installs.\u003c\/p\u003e\n\u003cp\u003eFeaturing a \u003cstrong\u003eLarge Hex Head\u003c\/strong\u003e, Maxi-Set Tapcons offer increased surface area to improve pullover resistance and help reduce cracking during installation. The flange design distributes load more evenly, making them a smart choice when fastening into brittle base materials or when extra holding strength is required.\u003c\/p\u003e\n\u003cp\u003eProtected by an \u003cstrong\u003eUltrashield Coating\u003c\/strong\u003e, these anchors are engineered for corrosion resistance in both interior and exterior environments. Their removable design allows for adjustments or repositioning if needed, giving you flexibility without sacrificing performance or durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Hex Flange Head:\u003c\/strong\u003e Provides greater surface coverage for improved pullover resistance and load distribution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread-Cutting Design:\u003c\/strong\u003e Taps its own threads into concrete, brick, and block without expansion pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltrashield Coating:\u003c\/strong\u003e Offers enhanced corrosion resistance for long-term performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Strength Construction:\u003c\/strong\u003e Engineered for reliable holding power in demanding masonry applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemovable Design:\u003c\/strong\u003e Allows anchors to be adjusted or removed when necessary.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Tapcon","offers":[{"title":"Default Title","offer_id":44821974712456,"sku":"3294000","price":0.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/8644\/4936\/files\/3294000.01.jpg?v=1775855057"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/8644\/4936\/collections\/media_af82a9cc-a505-4acb-b081-85cabc7a18ed.jpg?v=1726093958","url":"https:\/\/www.fastenersplus.com\/collections\/large-diameter-tapcons\/diameter-5-8.oembed","provider":"Fasteners Plus","version":"1.0","type":"link"}