{"title":"Stainless Steel Large Diameter Concrete Screws","description":"\u003ch2\u003eStainless Steel Large Diameter Concrete Screws\u003c\/h2\u003e\n\u003cp\u003eStainless steel large diameter concrete screws are built for the toughest environments, combining maximum anchoring strength with the highest level of corrosion resistance. Ideal for coastal, chemical, or high-moisture applications, these heavy-duty fasteners are designed to perform where zinc or galvanized coatings fall short.\u003c\/p\u003e\n\u003cp\u003eUse them for structural supports, heavy equipment anchoring, marine applications, or food-grade environments where rust simply isn’t an option. The large diameter design delivers superior holding power, and the stainless construction ensures long-term integrity under pressure.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-Proof:\u003c\/strong\u003e Stainless steel resists rust in harsh and wet environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStructural Strength:\u003c\/strong\u003e Heavy-duty threads grip securely in concrete, block, or brick\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-Term Reliability:\u003c\/strong\u003e Ideal for critical anchors in exposed or demanding conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAvailable in multiple sizes to meet code and project specs. Most orders placed before 4:00pm CST ship the same day from our centrally located warehouses.\u003c\/p\u003e","products":[{"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":"3-8-x-3-strong-tie-titen-hd-screw-anchor-304-stainless-steel-pkg-50","title":"3\/8\" X 3\" Strong-Tie THD37300H4SS Titen HD Screw Anchor, 304 Stainless Steel, Pkg 50","description":"\u003cp\u003eThe \u003cstrong\u003eSimpson Strong-Tie® Titen HD® 304 Stainless Steel Screw Anchor\u003c\/strong\u003e is a heavy-duty anchor you can count on for jobs that need strong, secure fastening into concrete or masonry, especially in damp or mildly wet areas.\u003c\/p\u003e\n\n\u003cp\u003eMade from \u003cstrong\u003e304 stainless steel\u003c\/strong\u003e, it’s built to resist rust and corrosion, making it a great choice for garages, basements, patios, or anywhere moisture could be a problem. These anchors are designed to drive straight into concrete without needing sleeves or inserts. Just drill your hole, drive the screw, and you're done.\u003c\/p\u003e\n\n\u003cp\u003ePerfect for mounting railings, framing, ledger boards, bracing, and more, this anchor is also removable, making it a great option for temporary setups or adjustments.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRust-Resistant Stainless Steel:\u003c\/strong\u003e Made from 304 stainless for long-term performance in damp or mild outdoor conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrives Directly Into Concrete:\u003c\/strong\u003e No expansion anchor or epoxy needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStrong Hold:\u003c\/strong\u003e Great for both tension and shear loads in concrete or block.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy to Remove:\u003c\/strong\u003e Ideal for temporary projects or when you may need to reposition later.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCode Compliant:\u003c\/strong\u003e ICC-ES and IAPMO approved for peace of mind on tougher jobs.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Simpson Strong-Tie","offers":[{"title":"Default Title","offer_id":34273516454024,"sku":"THD37300H4SS","price":237.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/8644\/4936\/files\/THD37300H4SS.01.jpg?v=1729004027"},{"product_id":"1-4-x-2-strong-tie-titen-hd-screw-anchor-316-stainless-steel-pkg-50","title":"1\/4\" X 2\" Strong-Tie THDC25200H6SS Titen HD Screw Anchor, 316 Stainless Steel, Pkg 50","description":"\u003cp\u003eThe \u003cstrong\u003eSimpson Strong-Tie® Titen HD® 316 Stainless Steel Screw Anchor\u003c\/strong\u003e is built for the most demanding environments. Designed for concrete and masonry, this anchor combines the legendary holding strength of the Titen HD® with the unmatched durability of 316 stainless steel, making it ideal for marine, coastal, and chemically aggressive job sites.\u003c\/p\u003e\n\n\u003cp\u003eEngtineered with \u003cstrong\u003especially designed threads\u003c\/strong\u003e, it’s easy to drive into concrete and holds strong, whether the surface cracked or uncracked. No expansion or secondary anchoring components are required, just drill your hole and drive the anchor in. They're also fully removable, making it a go-to for temporary or adjustable installs.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're anchoring structural supports, handrails, safety barriers, or mechanical equipment, this anchor holds fast where others fail. It meets \u003cstrong\u003eICC-ES and IAPMO code requirements\u003c\/strong\u003e for performance in corrosive and seismic conditions.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e316 Stainless Steel Construction:\u003c\/strong\u003e Provides best-in-class corrosion resistance, ideal for coastal construction, wastewater plants, and harsh industrial sites.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngineered Cutting Threads:\u003c\/strong\u003e Designed for low torque during install and strong grip in hardened concrete.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemovable Design:\u003c\/strong\u003e Suitable for temporary anchoring or when future repositioning may be needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean, Non-Expanding Install:\u003c\/strong\u003e No need for sleeves, inserts, or epoxy.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCode-Compliant:\u003c\/strong\u003e ICC-ES ESR-2713 and IAPMO ER-493 approved for cracked\/uncracked concrete and seismic zones.\u003c\/li\u003e\n\n\u003c\/ul\u003e","brand":"Simpson Strong-Tie","offers":[{"title":"Default Title","offer_id":34275659022472,"sku":"THDC25200H6SS","price":187.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/8644\/4936\/files\/THDC25200H6SS.01.jpg?v=1728925808"},{"product_id":"1-4-x-2-3-8-strong-tie-countersunk-titen-hd-anchor-316-stainless-pkg-25","title":"1\/4\" x 2 3\/8\" Strong-Tie THDC25238CS6SS Countersunk Titen HD Anchor - 316 Stainless, Pkg 25","description":"\u003cp\u003e\u003cstrong\u003eThe Simpson Strong-Tie® Countersunk Titen HD® Concrete Anchor\u003c\/strong\u003e combines marine-grade corrosion resistance with a flush-mounted design, perfect for projects where both strength and a clean look matter.\u003c\/p\u003e\n\n\u003cp\u003eMade from \u003cstrong\u003e316 stainless steel\u003c\/strong\u003e, these anchors are built to handle the harshest conditions, including coastal, wet, or chemical-exposed environments. They’re ideal for securing fixtures, railings, thresholds, or structural components to concrete, where appearance and durability both count.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003ecountersunk head\u003c\/strong\u003e sits flush with the surface, making it great for places where trip hazards or a finished look are important. With a specially engineered thread design, it cuts into concrete smoothly without requiring expansion anchors, inserts, or epoxy.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e316 Stainless Steel:\u003c\/strong\u003e Maximum corrosion resistance for coastal, marine, and chemically exposed environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlush Countersunk Head:\u003c\/strong\u003e Sits level with the surface for a clean finish, ideal for walkways, decks, and finished slabs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrives Directly into Concrete:\u003c\/strong\u003e No expansion required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemovable Design:\u003c\/strong\u003e Can be backed out if needed, perfect for temporary or adjustable applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCode Compliant:\u003c\/strong\u003e ICC-ES ESR-2713 and IAPMO ER-493 approved for use in cracked and uncracked concrete.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Simpson Strong-Tie","offers":[{"title":"Default Title","offer_id":34641292460168,"sku":"THDC25238CS6SS","price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/8644\/4936\/products\/zinc-countersunk-titen-hd-screw.jpg?v=1656617967"},{"product_id":"3-8-x-3-strong-tie-thd37300h4ssf1-titen-hd-screw-anchor-304-stainless-steel-pkg-1","title":"3\/8\" x 3\" Strong-Tie THD37300H4SSF1 Titen HD Screw Anchor, 304 Stainless Steel, Pkg 1","description":"\u003cp\u003eThe \u003cstrong\u003eSimpson Strong-Tie® Titen HD® 304 Stainless Steel Screw Anchor\u003c\/strong\u003e is a heavy-duty anchor you can count on for jobs that need strong, secure fastening into concrete or masonry, especially in damp or mildly wet areas.\u003c\/p\u003e\n\n\u003cp\u003eMade from \u003cstrong\u003e304 stainless steel\u003c\/strong\u003e, it’s built to resist rust and corrosion, making it a great choice for garages, basements, patios, or anywhere moisture could be a problem. These anchors are designed to drive straight into concrete without needing sleeves or inserts. Just drill your hole, drive the screw, and you're done.\u003c\/p\u003e\n\n\u003cp\u003ePerfect for mounting railings, framing, ledger boards, bracing, and more, this anchor is also removable, making it a great option for temporary setups or adjustments.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRust-Resistant Stainless Steel:\u003c\/strong\u003e Made from 304 stainless for long-term performance in damp or mild outdoor conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrives Directly Into Concrete:\u003c\/strong\u003e No expansion anchor or epoxy needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStrong Hold:\u003c\/strong\u003e Great for both tension and shear loads in concrete or block.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy to Remove:\u003c\/strong\u003e Ideal for temporary projects or when you may need to reposition later.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCode Compliant:\u003c\/strong\u003e ICC-ES and IAPMO approved for peace of mind on tougher jobs.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Simpson Strong-Tie","offers":[{"title":"Default Title","offer_id":41115158478984,"sku":"THD37300H4SSF1","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/8644\/4936\/products\/THD37300H6SS.jpg?v=1681740961"},{"product_id":"3-8-x-3-strong-tie-thd37300h6ssf1-titen-hd-screw-anchor-316-stainless-steel-pkg-1","title":"3\/8\" x 3\" Strong- Tie THD37300H6SSF1 Titen HD Screw Anchor, 316 Stainless Steel, Pkg 1","description":"\u003cp\u003eFor the highest level of corrosion protection in concrete anchoring, Simpson Strong-Tie Titen HD Anchors in 316 stainless steel deliver unmatched performance—now available individually for specialized jobs or last-minute needs. These anchors are built for cracked and uncracked concrete and excel in aggressive environments like marine structures, coastal builds, and wastewater facilities.\u003c\/p\u003e\n\n\u003cp\u003eMade from 316 stainless steel, they offer maximum resistance to salt, moisture, and chemical exposure. The patented cutting thread geometry ensures fast installation with no expansion step required, while the hex washer head offers a clean, flush finish with high clamping force.\u003c\/p\u003e\n\n\u003cp\u003eThis single-unit option is perfect when you just need one: for replacements, prototyping, or touch-up jobs in corrosive environments.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSold Individually:\u003c\/strong\u003e Ideal for one-off repairs, mockups, or specialized needs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e316 Stainless Steel Construction:\u003c\/strong\u003e Provides superior corrosion resistance in marine, coastal, and chemically exposed environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelf-Tapping Design:\u003c\/strong\u003e No expansion necessary—anchors load immediately.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eICC-ES Code Listed:\u003c\/strong\u003e Approved for use in cracked and uncracked concrete, including seismic and structural applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemovable \u0026amp; Reusable:\u003c\/strong\u003e Flexible for temporary setups or adjustments.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Simpson Strong-Tie","offers":[{"title":"Default Title","offer_id":41115158511752,"sku":"THD37300H6SSF1","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/8644\/4936\/files\/THD37300H6SSF1.01.jpg?v=1728924135"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/8644\/4936\/collections\/media_e71e29f1-a645-4dde-8145-a4dfc4989048.jpg?v=1725047010","url":"https:\/\/www.fastenersplus.com\/collections\/stainless-steel-large-diameter-concrete-screws\/length:3.oembed","provider":"Fasteners Plus","version":"1.0","type":"link"}