{"product_id":"simpson-strong-tie-titen-hd-1-4-in-x-2-3-8-in-type-316-stainless-steel-heavy-duty-screw-anchor-50-pack-thdc25238h6ss","title":"Simpson Strong-Tie Titen HD 1\/4-in. x 2-3\/8-in. Type 316 Stainless-Steel Heavy-Duty Screw Anchor, 50-Pack (THDC25238H6SS)","description":"\u003csection data-aplus\u003e\n\u003cdetails id=\"product-features\" class=\"acc\" open\u003e\n  \u003csummary\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"features\"\u003e\n      \u003cdiv class=\"card\"\u003e\n        \u003cdiv class=\"card-inside\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/material.svg\" alt=\"material\" class=\"aplusicon\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv\u003e\u003cstrong\u003eBuilt for Corrosive Jobs\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eType 316 stainless steel makes this anchor the right call for exterior work, saltwater exposure, and areas where chemicals or constant moisture would shorten the life of standard anchors.\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"card\"\u003e\n        \u003cdiv class=\"card-inside\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/drill-bits.svg\" alt=\"drill-bits\" class=\"aplusicon\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv\u003e\u003cstrong\u003eFast Concrete Installation\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eThis heavy-duty screw anchor installs with a standard 1\/4 inch carbide drill bit and a 3\/8 inch wrench size, so you can drill, set, and tighten without specialty hardware slowing the job down.\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"card\"\u003e\n        \u003cdiv class=\"card-inside\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/certifications.svg\" alt=\"certifications\" class=\"aplusicon\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv\u003e\u003cstrong\u003eCode-Tested Holding Power\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eThe undercutting thread design is tested to ACI355.2, AC193, and AC106 standards, giving contractors a concrete and masonry anchor they can use where load performance matters.\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-overview\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\" data-product-summary\u003e\n    \u003cp\u003eThe \u003cstrong\u003eSimpson Strong-Tie THDC25238H6SS Titen HD Heavy-Duty Screw Anchor\u003c\/strong\u003e is a 1\/4 in. x 2-3\/8 in. stainless-steel concrete and masonry anchor sold in a 50-pack. This is a heavy-duty screw anchor designed for fastening fixtures to concrete and masonry in corrosive environments. Model Number: \u003cstrong\u003eTHDC25238H6SS\u003c\/strong\u003e. If you need a concrete anchor that installs quickly but still makes sense for exterior exposure, saltwater conditions, or chemical-heavy areas, this is the version of the Titen HD line you want to look at.\u003c\/p\u003e\n    \u003cp\u003eWhat separates this anchor from a generic masonry fastener is the way it installs and holds. The Titen HD uses a self-undercutting thread design that taps into the base material as it goes in, helping transfer load efficiently into the concrete or masonry. In practical terms, that means you get a secure mechanical connection without needing a separate expansion step. It also installs with a standard-size ANSI tolerance carbide drill bit, so you are not chasing a specialty bit just to get started.\u003c\/p\u003e\n    \u003cp\u003eFor this specific THDC25238H6SS size, the anchor measures 1\/4 inch in diameter and 2-3\/8 inches in length, uses a 1\/4 inch drill bit, and takes a 3\/8 inch wrench size. The recommended steel fixture hole size is 3\/8 inch to 7\/16 inch. Those details matter because they tell you exactly how this anchor fits into field work: small enough for lighter attachment points and brackets, but still part of a heavy-duty anchor family meant for real fastening into concrete and masonry, not light-duty plastic anchor jobs.\u003c\/p\u003e\n    \u003cp\u003eThe material is a big part of the value here. Simpson Strong-Tie specifies Type 316 stainless steel for this model, which is the better choice when you are working near saltwater or around corrosive chemicals. That is different from buying a standard plated anchor and hoping it survives. On jobs where corrosion is the failure point, not just initial holding strength, material selection is the job. This anchor is built with that in mind.\u003c\/p\u003e\n    \u003cp\u003eThe design details are practical too. The patented thread includes serrated cutting teeth for installation into the base material, and the hex-washer head gives you built-in bearing surface without adding a separate washer. That means a cleaner install and fewer loose parts to manage on site. Simpson also notes reduced expansion behavior compared with typical expansion-style anchors, which can matter when you are working near edges or in applications where you want the anchor to cut in rather than wedge outward.\u003c\/p\u003e\n    \u003cp\u003eOn the job, this anchor is aimed at contractors doing mechanical, electrical, and plumbing work, along with exterior structural attachments where stainless hardware is required. Typical use cases include exterior fastening, corrosive environments, saltwater-adjacent installs, and anchoring fixtures like ledgers, railing posts, and similar hardware into concrete. The product data also notes it is qualified for static and seismic loading conditions, which is important for buyers who need an anchor from a recognized engineered product line rather than a commodity fastener.\u003c\/p\u003e\n    \u003cp\u003eInstallation is straightforward: drill the hole using the same diameter as the nominal anchor diameter, clean the hole as required, insert the anchor through the fixture, and tighten until the hex-washer head contacts the fixture. It can be installed with an impact wrench or by hand tool, though Simpson specifically cautions not to use impact wrenches when installing into hollow concrete masonry units. They also make it clear this is a one-time-use anchor. Pull it out and reinstall it, and you are asking worn threads to do a job they were not meant to do.\u003c\/p\u003e\n    \u003cp\u003eWho should buy this? Contractors and serious DIY users who know they need a stainless concrete anchor, not just any masonry fastener. If the job is indoors and dry, this may be more anchor than you need. If the job is outside, exposed, wet, coastal, or chemical-prone, the Simpson Strong-Tie THDC25238H6SS Titen HD Heavy-Duty Screw Anchor earns its keep by giving you faster installation than many traditional anchor setups and better long-term corrosion resistance than standard steel options.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-benefits-1\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eMade for Exterior Concrete Work\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"row\"\u003e\n      \u003cdiv class=\"img\"\u003e\n        \u003cimg src=\"https:\/\/ssttoolbox.widen.net\/content\/phzpom2n2i\/jpeg\/A_THDSS_InstPho_Pho_Inst_TitenHD-Stainless-Ledger-Bosch-BK-Impact-Driver_C0.jpeg?position=c\u0026amp;color=ffffffff\u0026amp;u=cjmyin\" alt=\"Simpson Strong-Tie THDC25238H6SS Titen HD Heavy-Duty Screw Anchor fastening a treated wood ledger to a concrete wall with an impact driver on an exterior installation\" class=\"tnblock-img\"\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"copy\"\u003e\n        \u003cp\u003eThis is the kind of anchor you use when wood or steel needs to stay put on concrete and the job is exposed to weather. The stainless build and undercutting thread design make it a practical choice for exterior fastening where speed and corrosion resistance both matter.\u003c\/p\u003e\n        \u003cul\u003e\n          \u003cli\u003eType 316 stainless steel is suited for exterior and corrosive environments\u003c\/li\u003e\n          \u003cli\u003eInstalls with a standard 1\/4 inch drill bit and a 3\/8 inch wrench size\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-benefits-2\" class=\"acc flip\"\u003e\n  \u003csummary\u003e\u003ch2\u003eBetter Choice Near Saltwater\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"row\"\u003e\n      \u003cdiv class=\"img\"\u003e\n        \u003cimg src=\"https:\/\/ssttoolbox.widen.net\/content\/32woh6zh07\/jpeg\/A_THDSS_InstPho_Pho_Inst_TitenHD-Stainless-SteelRailing-BK-ImpactDriver_C0.jpeg?position=c\u0026amp;color=ffffffff\u0026amp;u=cjmyin\" alt=\"Simpson Strong-Tie THDC25238H6SS Titen HD Heavy-Duty Screw Anchor installing a steel railing base plate into concrete beside open water in a marine environment\" class=\"tnblock-img\"\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"copy\"\u003e\n        \u003cp\u003eCoastal and high-moisture installs are where the material upgrade really pays off. Type 316 stainless steel is the right move when regular steel anchors are likely to rust out long before the rest of the assembly.\u003c\/p\u003e\n        \u003cul\u003e\n          \u003cli\u003eRecommended for saltwater applications and areas exposed to corrosive chemicals\u003c\/li\u003e\n          \u003cli\u003eGood fit for railings, brackets, and other exterior concrete fastening points\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-benefits-3\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eThread Design That Does the Work\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"row\"\u003e\n      \u003cdiv class=\"img\"\u003e\n        \u003cimg src=\"https:\/\/ssttoolbox.widen.net\/content\/qai1r6ijvj\/jpeg\/A_THDSS_ProdPho_Pho_Prod_TitenHD-Stainless_C0.jpeg?position=c\u0026amp;color=ffffffff\u0026amp;u=cjmyin\" alt=\"Simpson Strong-Tie THDC25238H6SS Titen HD Heavy-Duty Screw Anchor close-up showing the hex-washer head and serrated cutting threads for concrete and masonry fastening\" class=\"tnblock-img\"\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"copy\"\u003e\n        \u003cp\u003eThe business end of this anchor is what makes the Titen HD line popular on real jobs. The serrated cutting teeth and self-undercutting thread help the anchor bite into the base material cleanly, while the hex-washer head keeps installation simple.\u003c\/p\u003e\n        \u003cul\u003e\n          \u003cli\u003ePatented thread design with serrated cutting teeth\u003c\/li\u003e\n          \u003cli\u003eHex-washer head provides bearing surface without a separate washer\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-whats-included\" class=\"acc\" open\u003e\n  \u003csummary\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"tnincluded-wrapper\"\u003e\n      \u003cul\u003e\n        \u003cli\u003e(50) Simpson Strong-Tie Titen HD 1\/4 in. x 2-3\/8 in. Type 316 stainless-steel heavy-duty screw anchors\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-key-specifications\" class=\"acc\" open\u003e\n  \u003csummary\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003ctable class=\"aplusspecs\"\u003e\n      \u003ctr\u003e\n        \u003cth\u003eAnchor Size\u003c\/th\u003e\n        \u003ctd\u003e1\/4 in. x 2-3\/8 in.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eMaterial\u003c\/th\u003e\n        \u003ctd\u003eType 316 Stainless Steel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eDrill Bit Diameter\u003c\/th\u003e\n        \u003ctd\u003e1\/4 in.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eWrench Size\u003c\/th\u003e\n        \u003ctd\u003e3\/8 in.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eRecommended Fixture Hole Size\u003c\/th\u003e\n        \u003ctd\u003e3\/8 in. to 7\/16 in.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eHead Type\u003c\/th\u003e\n        \u003ctd\u003eHex-Washer Head\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003ePack Quantity\u003c\/th\u003e\n        \u003ctd\u003e50\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eWeight\u003c\/th\u003e\n        \u003ctd\u003e2.4 lbs\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-applications-uses\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eBuilt For\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"tags\"\u003e\n      \u003cspan class=\"tag\"\u003eMechanical\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eElectrical\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003ePlumbing\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eExterior Fastening\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eConcrete Anchoring\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eMasonry Anchoring\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eCorrosive Environments\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eSaltwater Applications\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-pro-tips\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003ePro Tip\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"tip-row\"\u003e\n      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/specs.svg\" alt=\"specs\" class=\"icon-lg\"\u003e\n      \u003cp class=\"tip-text\"\u003eDrill the hole with the same 1\/4 inch diameter as the anchor and use each Titen HD once only. If you oversize the hole or try to reuse the anchor, you give up the thread bite that makes this fastener work.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-tool-nut-take\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eTool Nut's Take\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"eyebrow\"\u003eTool Nut's Take\u003c\/div\u003e\n    \u003ch3\u003eSimpson Strong-Tie THDC25238H6SS Titen HD Heavy-Duty Screw Anchor for jobs where cheap anchors quit early\u003c\/h3\u003e\n    \u003cp\u003eThis is the anchor you buy when the environment is the problem as much as the load.\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWho it's for:\u003c\/strong\u003e Pros and serious DIY users fastening ledgers, brackets, rails, and MEP hardware to concrete or masonry in wet, coastal, or chemical-prone conditions.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhy it stands out:\u003c\/strong\u003e Type 316 stainless steel, a proven Titen HD thread design, and straightforward installation with standard hole sizing make it a practical upgrade over ordinary masonry anchors.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e This is a one-time-use anchor, and it is sold as a 50-pack. Great for real exterior work, but probably overkill for a dry interior job.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-faqs\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eCommon Questions\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhat base materials is this anchor designed for?\u003c\/strong\u003e It is designed for concrete and masonry applications.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhat size drill bit does the THDC25238H6SS require?\u003c\/strong\u003e This model uses a 1\/4 inch drill bit, which matches the anchor diameter.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eCan this anchor be used in corrosive or saltwater environments?\u003c\/strong\u003e Yes. The Type 316 stainless-steel construction is intended for corrosive environments, including saltwater exposure and areas with corrosive chemicals.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eCan the anchor be reused?\u003c\/strong\u003e No. Simpson states Titen HD screw anchors are one-time-use only because repeated installation can wear the threads and reduce load capacity.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e","brand":"Simpson Strong-Tie","offers":[{"title":"Default Title","offer_id":52999307591974,"sku":"THDC25238H6SS","price":219.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/THDC25238H6SS_00707392004301_Product_Photo_01_9cc3988d-d2ed-4ca8-81f1-c25a4021855c.jpg?v=1779135461","url":"https:\/\/www.toolnut.com\/products\/simpson-strong-tie-titen-hd-1-4-in-x-2-3-8-in-type-316-stainless-steel-heavy-duty-screw-anchor-50-pack-thdc25238h6ss","provider":"Tool Nut","version":"1.0","type":"link"}