{"product_id":"concrete-expansion-anchor-bolts-m6-m16-masonry-sleeve-anchors","title":"Concrete Expansion Anchor Bolts M6–M16 | Extra Long Masonry Sleeve Anchors","description":"\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose the right length for my concrete expansion anchor bolt?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"A general rule: the anchor should embed at least 1 inch (25mm) into the base material beyond the fixture thickness. For example, if you're fastening a 20mm bracket into concrete, choose a bolt with at least 45–50mm of embedment depth. Our range covers 50mm (≈2\\u201d) up to 200mm (≈7.9\\u201d) to handle most residential and light commercial applications.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What load capacity can these expansion anchor bolts handle?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Load capacity depends on the bolt diameter, embedment depth, and the strength of the base material. Generally, M6 anchors are suited for lighter loads (shelving, conduit clips), while M12–M16 anchors can typically handle structural brackets and heavy equipment mounts. Always consult a structural engineer for safety-critical applications.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these anchor bolts suitable for outdoor or wet environments?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These expansion anchors are generally made from zinc-plated or galvanized carbon steel, which provides moderate corrosion resistance for covered outdoor use. For fully exposed or marine environments, stainless steel anchors are typically recommended. Contact us to confirm the finish on your specific variant.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What thread standard do these bolts use — metric or imperial?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These are metric-threaded anchor bolts (M6, M8, M10, M12, M14, M16) following ISO metric coarse thread standards. They are not compatible with UNC\/UNF imperial thread nuts or bolts.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What base materials can I use these expansion anchors in?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These sleeve-style expansion anchors are designed for solid concrete, brick, and concrete block (CMU). They are generally not recommended for hollow block, drywall, or soft materials where the expansion mechanism cannot grip properly.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do I need a special drill bit to install these anchors?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. You'll need a carbide-tipped masonry drill bit that matches the anchor's outer diameter. For example, an M8 expansion anchor typically requires an 8mm masonry bit. Use a hammer drill for best results in concrete or brick.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I reuse these expansion anchor bolts after removal?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Expansion anchors are generally designed for single-use installation. Once the sleeve has expanded inside the base material, removing and reinstalling the bolt in the same hole typically reduces holding strength. For applications requiring future disassembly, consider a drop-in anchor or sleeve anchor with a removable bolt.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003eConcrete Expansion Anchor Bolts M6–M16 — Reliable Fastening in Masonry \u0026amp; Concrete\u003c\/h2\u003e\n    \u003cp\u003eWhether you're mounting a structural bracket to a concrete wall, securing equipment to a block foundation, or anchoring railing posts into brick, finding a fastener that won't pull out under load is non-negotiable. DIYers and contractors alike need concrete expansion anchor bolts that expand firmly on installation and stay put — not fasteners that spin loose or crack the surrounding material.\u003c\/p\u003e\n    \u003cp\u003eEach set contains sleeve-style expansion anchor bolts in your chosen size and quantity (1, 2, 5, or 10 pieces per pack). Thread diameters range from M6 (6mm \/ ≈1\/4\") to M16 (16mm \/ ≈5\/8\"), with shank lengths from 50mm (≈2\") up to 200mm (≈7.9\") — giving you the reach needed for thick fixtures, insulated walls, or deep embedment requirements. The carbon steel construction with a zinc or galvanized finish provides the strength and corrosion resistance needed for most indoor and covered outdoor installations.\u003c\/p\u003e\n    \u003cp\u003eThese extra-long masonry anchor bolts are well-suited for concrete wall mounting in garages and basements, securing fence posts and pergola hardware to block foundations, and fastening electrical conduit, pipe brackets, or HVAC equipment to concrete ceilings and floors — all scenarios where a standard short anchor simply won't reach.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e🔩\u003c\/span\u003e\n    \u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for solid concrete, brick, and concrete block (CMU). Metric thread standard (ISO coarse). Requires a carbide-tipped masonry drill bit matching the anchor's outer diameter. \u003cstrong\u003eNot suitable for hollow block, drywall, or soft substrates.\u003c\/strong\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003e✅ Key Features of These Concrete Expansion Anchor Bolts\u003c\/h2\u003e\n  \u003cul class=\"hdiy-features\"\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eWide Size Range\u003c\/strong\u003e — Available in M6 through M16 thread diameters and lengths from 50mm to 200mm, covering the most common masonry anchor bolt sizes for residential and light commercial work.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔒\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eSleeve Expansion Mechanism\u003c\/strong\u003e — The expansion sleeve grips the surrounding concrete or brick as the bolt is tightened, creating a secure mechanical lock that resists pull-out forces in solid masonry.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eZinc \/ Galvanized Finish\u003c\/strong\u003e — The protective coating guards against rust in covered outdoor and indoor environments, extending service life in garages, basements, and utility spaces.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eMetric ISO Coarse Thread\u003c\/strong\u003e — Standard metric threading ensures compatibility with metric nuts, washers, and fixtures — no adapters needed for most European-spec equipment and hardware.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFlexible Pack Quantities\u003c\/strong\u003e — Choose 1, 2, 5, or 10 pieces per order so you can buy exactly what your project needs — from a single anchor for a repair job to a full pack for a larger installation.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eExtra-Long Shank Options\u003c\/strong\u003e — Lengths up to 200mm (≈7.9\") allow deep embedment through thick fixtures, insulation boards, or stacked materials where standard-length concrete wall anchors fall short.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003e📐 Technical Specifications — Concrete Expansion Anchor Bolts\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eSleeve Expansion Anchor Bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Standard\u003c\/th\u003e\n\u003ctd\u003eMetric ISO Coarse (M6 \/ M8 \/ M10 \/ M12 \/ M14 \/ M16)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Diameter Range\u003c\/th\u003e\n\u003ctd\u003eM6 (6mm \/ ≈1\/4\") — M16 (16mm \/ ≈5\/8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eLength Range\u003c\/th\u003e\n\u003ctd\u003e50mm (≈2\") — 200mm (≈7.9\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCarbon steel with zinc or galvanized protective finish\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd\u003eSee variant options — Contact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eDrive Style\u003c\/th\u003e\n\u003ctd\u003eSee variant options (typically hex head or hex nut driven)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCompatible Base Materials\u003c\/th\u003e\n\u003ctd\u003eSolid concrete, brick, concrete block (CMU)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eRequired Drill Bit\u003c\/th\u003e\n\u003ctd\u003eCarbide-tipped masonry bit matching anchor outer diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e1 \/ 2 \/ 5 \/ 10 pieces (select above)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eContact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-note\"\u003e\n    \u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e\n    \u003cstrong\u003eHeads up:\u003c\/strong\u003e Specific finish, head style, and drive type may vary by size variant. If your application has strict corrosion or torque requirements, contact us before ordering to confirm the exact specification.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-faq\"\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I choose the right length for my concrete expansion anchor bolt?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eA general rule: the anchor should embed at least 1 inch (25mm) into the base material beyond the fixture thickness. For example, if you're fastening a 20mm bracket into concrete, choose a bolt with at least 45–50mm of embedment depth. Our range covers 50mm (≈2\") up to 200mm (≈7.9\") to handle most residential and light commercial applications.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat load capacity can these expansion anchor bolts handle?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eLoad capacity depends on the bolt diameter, embedment depth, and the strength of the base material. Generally, M6 anchors are suited for lighter loads such as shelving and conduit clips, while M12–M16 anchors can typically handle structural brackets and heavy equipment mounts. Always consult a structural engineer for safety-critical applications.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these anchor bolts suitable for outdoor or wet environments?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese expansion anchors are generally made from zinc-plated or galvanized carbon steel, which provides moderate corrosion resistance for covered outdoor use. For fully exposed or marine environments, stainless steel anchors are typically recommended. Contact us to confirm the finish on your specific variant before ordering for outdoor applications.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat thread standard do these bolts use — metric or imperial?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese are metric-threaded anchor bolts (M6, M8, M10, M12, M14, M16) following ISO metric coarse thread standards. They are not compatible with UNC\/UNF imperial thread nuts or bolts. If your fixture uses imperial threads, you'll need an adapter or a different anchor type.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat base materials can I use these expansion anchors in?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese sleeve-style expansion anchors are designed for solid concrete, brick, and concrete block (CMU). They are generally not recommended for hollow block, drywall, or soft materials where the expansion mechanism cannot grip properly. In hollow materials, a toggle bolt or hollow-wall anchor is typically a better choice.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eDo I need a special drill bit to install these anchors?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes. You'll need a carbide-tipped masonry drill bit that matches the anchor's outer diameter. For example, an M8 expansion anchor typically requires an 8mm masonry bit. Use a hammer drill for best results in concrete or brick — a standard rotary drill will work in softer brick but will be significantly slower.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I reuse these expansion anchor bolts after removal?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eExpansion anchors are generally designed for single-use installation. Once the sleeve has expanded inside the base material, removing and reinstalling the bolt in the same hole typically reduces holding strength. For applications requiring future disassembly, consider a drop-in anchor or a sleeve anchor with a removable bolt component.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e\n    🛒 Select your \u003cstrong\u003esize and quantity\u003c\/strong\u003e above, then add to cart — ships from our US warehouse.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"M6 x 50mm \/ 10","offer_id":52308900020498,"sku":"LLGFGY-TCWJTC0763x1","price":20.74,"currency_code":"USD","in_stock":true},{"title":"M6 x 60mm \/ 5","offer_id":52308900053266,"sku":"LLGFGY-TCWJTC0764x1","price":15.63,"currency_code":"USD","in_stock":true},{"title":"M6 x 70mm \/ 5","offer_id":52308900086034,"sku":"LLGFGY-TCWJTC0765x1","price":17.34,"currency_code":"USD","in_stock":true},{"title":"M6 x 80mm \/ 5","offer_id":52308900118802,"sku":"LLGFGY-TCWJTC0766x1","price":18.56,"currency_code":"USD","in_stock":true},{"title":"M6 x 100mm \/ 5","offer_id":52308900151570,"sku":"LLGFGY-TCWJTC0767x1","price":21.75,"currency_code":"USD","in_stock":true},{"title":"M8 x 50mm \/ 5","offer_id":52308900184338,"sku":"LLGFGY-TCWJTC0768x1","price":18.84,"currency_code":"USD","in_stock":true},{"title":"M8 x 60mm \/ 5","offer_id":52308900217106,"sku":"LLGFGY-TCWJTC0769x1","price":21.42,"currency_code":"USD","in_stock":true},{"title":"M8 x 70mm \/ 5","offer_id":52308900249874,"sku":"LLGFGY-TCWJTC0770x1","price":23.46,"currency_code":"USD","in_stock":true},{"title":"M8 x 80mm \/ 5","offer_id":52308900282642,"sku":"LLGFGY-TCWJTC0771x1","price":25.77,"currency_code":"USD","in_stock":true},{"title":"M8 x 90mm \/ 5","offer_id":52308900315410,"sku":"LLGFGY-TCWJTC0772x1","price":28.0,"currency_code":"USD","in_stock":true},{"title":"M8 x 100mm \/ 5","offer_id":52308900348178,"sku":"LLGFGY-TCWJTC0773x1","price":30.18,"currency_code":"USD","in_stock":true},{"title":"M8 x 120mm \/ 5","offer_id":52308900380946,"sku":"LLGFGY-TCWJTC0774x1","price":34.61,"currency_code":"USD","in_stock":true},{"title":"M8 x 150mm \/ 2","offer_id":52308900413714,"sku":"LLGFGY-TCWJTC0775x1","price":21.88,"currency_code":"USD","in_stock":true},{"title":"M10 x 60mm \/ 5","offer_id":52308900446482,"sku":"LLGFGY-TCWJTC0776x1","price":29.04,"currency_code":"USD","in_stock":true},{"title":"M10 x 70mm \/ 2","offer_id":52308900479250,"sku":"LLGFGY-TCWJTC0777x1","price":17.34,"currency_code":"USD","in_stock":true},{"title":"M10 x 80mm \/ 2","offer_id":52308900512018,"sku":"LLGFGY-TCWJTC0778x1","price":18.75,"currency_code":"USD","in_stock":true},{"title":"M10 x 90mm \/ 2","offer_id":52308900544786,"sku":"LLGFGY-TCWJTC0779x1","price":20.39,"currency_code":"USD","in_stock":true},{"title":"M10 x 100mm \/ 2","offer_id":52308900577554,"sku":"LLGFGY-TCWJTC0780x1","price":21.61,"currency_code":"USD","in_stock":true},{"title":"M10 x 110mm \/ 2","offer_id":52308900610322,"sku":"LLGFGY-TCWJTC0781x1","price":22.83,"currency_code":"USD","in_stock":true},{"title":"M10 x 120mm \/ 2","offer_id":52308900643090,"sku":"LLGFGY-TCWJTC0782x1","price":24.14,"currency_code":"USD","in_stock":true},{"title":"M10 x 150mm \/ 2","offer_id":52308900675858,"sku":"LLGFGY-TCWJTC0783x1","price":28.76,"currency_code":"USD","in_stock":true},{"title":"M12 x 70mm \/ 2","offer_id":52308900708626,"sku":"LLGFGY-TCWJTC0784x1","price":22.1,"currency_code":"USD","in_stock":true},{"title":"M12 x 80mm \/ 2","offer_id":52308900741394,"sku":"LLGFGY-TCWJTC0785x1","price":23.51,"currency_code":"USD","in_stock":true},{"title":"M12 x 90mm \/ 2","offer_id":52308900774162,"sku":"LLGFGY-TCWJTC0786x1","price":25.5,"currency_code":"USD","in_stock":true},{"title":"M12 x 100mm \/ 2","offer_id":52308900806930,"sku":"LLGFGY-TCWJTC0787x1","price":27.46,"currency_code":"USD","in_stock":true},{"title":"M12 x 110mm \/ 2","offer_id":52308900839698,"sku":"LLGFGY-TCWJTC0788x1","price":29.63,"currency_code":"USD","in_stock":true},{"title":"M12 x 120mm \/ 1","offer_id":52308900872466,"sku":"LLGFGY-TCWJTC0789x1","price":19.43,"currency_code":"USD","in_stock":true},{"title":"M12 x 150mm \/ 1","offer_id":52308900905234,"sku":"LLGFGY-TCWJTC0790x1","price":22.29,"currency_code":"USD","in_stock":true},{"title":"M14 x 100mm \/ 1","offer_id":52308900938002,"sku":"LLGFGY-TCWJTC0791x1","price":22.29,"currency_code":"USD","in_stock":true},{"title":"M14 x 120mm \/ 1","offer_id":52308900970770,"sku":"LLGFGY-TCWJTC0792x1","price":25.09,"currency_code":"USD","in_stock":true},{"title":"M14 x 150mm \/ 1","offer_id":52308901003538,"sku":"LLGFGY-TCWJTC0793x1","price":29.44,"currency_code":"USD","in_stock":true},{"title":"M16 x 100mm \/ 1","offer_id":52308901036306,"sku":"LLGFGY-TCWJTC0794x1","price":26.64,"currency_code":"USD","in_stock":true},{"title":"M16 x 120mm \/ 1","offer_id":52308901069074,"sku":"LLGFGY-TCWJTC0795x1","price":30.4,"currency_code":"USD","in_stock":true},{"title":"M16 x 150mm \/ 1","offer_id":52308901101842,"sku":"LLGFGY-TCWJTC0796x1","price":36.16,"currency_code":"USD","in_stock":true},{"title":"M16 x 200mm \/ 1","offer_id":52308901134610,"sku":"LLGFGY-TCWJTC0797x1","price":44.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-03_3de5847b-73d2-4d14-8c4f-cdf0392ee451.jpg?v=1780811976","url":"https:\/\/homediyer.com\/products\/concrete-expansion-anchor-bolts-m6-m16-masonry-sleeve-anchors","provider":"HomeDIYer","version":"1.0","type":"link"}