{"product_id":"expansion-anchor-eye-bolts-hook-grade-8-8-galvanized-steel-concrete-brick","title":"Expansion Anchor Eye Bolts Hook — Grade 8.8 Galvanized Steel for Concrete \u0026 Brick | M6.5 M8 M10 M12","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 size expansion anchor eye bolt?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Match the bolt diameter to your anchor hole size and the load requirement. As a general rule, M6.5 (≈1\/4\\\" equiv.) suits lighter fixtures up to ~30 kg, M8 (5\/16\\\") for medium loads, M10 (3\/8\\\") for heavier applications, and M12 (1\/2\\\") for structural or high-load anchoring. Bolt length should be at least 10× the diameter for reliable embedment in concrete.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the load capacity of these eye bolts?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Grade 8.8 carbon steel typically offers a tensile strength of 800 MPa and a yield strength of 640 MPa. Actual working load limits depend on installation depth, base material condition, and safety factor applied. Always consult a structural engineer for critical load-bearing applications.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these expansion anchor eye bolts suitable for outdoor or wet environments?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. The galvanized zinc coating provides corrosion resistance suitable for general outdoor use and occasional moisture exposure. For permanently submerged or highly corrosive environments (e.g., coastal saltwater), stainless steel anchors are generally recommended.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What thread standard do these eye bolts use?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These expansion anchor eye bolts use standard metric coarse threads (ISO metric). M6.5, M8, M10, and M12 sizes are compatible with standard metric nuts and hardware. They are not designed for UNC\/UNF inch-thread systems.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What base materials can these anchors be used in?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These expansion anchors are designed for solid concrete and solid brick. They are generally not recommended for hollow block, aerated concrete (AAC), or soft masonry without consulting the anchor's rated pull-out values for that specific substrate.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many pieces do I need to order?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Each listing lets you choose 1, 3, 5, 10, or 20 pieces per order. Buying in larger quantities typically reduces the per-piece cost. For a single hanging point, 1 pc is sufficient; for a full rack, shelf, or cable run, the 10- or 20-piece option offers better value.\"\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. Use a carbide-tipped masonry or hammer drill bit matching the anchor's nominal diameter. For example, M8 anchors typically require an 8 mm masonry bit. Drill to the recommended embedment depth, clear the hole of dust, insert the anchor, and tighten until the expansion sleeve grips the base material.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003c!-- ① OVERVIEW --\u003e\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003eExpansion Anchor Eye Bolts — Secure Overhead Hanging Points in Concrete \u0026amp; Brick\u003c\/h2\u003e\n    \u003cp\u003eWhether you're mounting a cable tray in a warehouse, hanging a heavy bag in a garage, or rigging a pulley system on a concrete ceiling, finding a reliable anchor point is the first challenge every installer faces. Loose anchors, stripped threads, and pull-out failures are costly — and dangerous. These expansion anchor eye bolts are engineered for exactly those demanding situations, giving contractors, facility managers, and serious DIYers a dependable fastening solution in solid concrete and brick substrates.\u003c\/p\u003e\n    \u003cp\u003eEach piece is a one-body expansion anchor eye bolt with an open-ring or hook head, machined from \u003cstrong\u003eGrade 8.8 carbon steel\u003c\/strong\u003e with a \u003cstrong\u003egalvanized zinc finish\u003c\/strong\u003e for corrosion resistance. Available in four metric sizes — \u003cstrong\u003eM6.5×40mm (≈1\/4\"×1-9\/16\")\u003c\/strong\u003e, \u003cstrong\u003eM8×45mm (5\/16\"×1-3\/4\")\u003c\/strong\u003e, \u003cstrong\u003eM10×60mm (3\/8\"×2-3\/8\")\u003c\/strong\u003e, and \u003cstrong\u003eM12×70mm (1\/2\"×2-3\/4\")\u003c\/strong\u003e — with quantity options of 1, 3, 5, 10, or 20 pieces per order.\u003c\/p\u003e\n    \u003cp\u003eTypical use cases include overhead cable management in commercial buildings, suspension points for gym equipment and heavy bags, rigging anchor points for stage lighting and signage, and structural tie-back anchors in renovation and construction projects — all scenarios where a secure, load-rated anchor eye bolt for concrete is non-negotiable.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- ② COMPATIBILITY BAR --\u003e\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e🔩\u003c\/span\u003e\n    \u003cstrong\u003eCompatible with:\u003c\/strong\u003e Solid concrete · Solid brick · Standard metric hardware (ISO coarse thread) · M6.5 \/ M8 \/ M10 \/ M12 carbide masonry drill bits\n  \u003c\/div\u003e\n\n  \u003c!-- ③ KEY FEATURES --\u003e\n  \u003ch2\u003e✅ Key Features of These Expansion Anchor Eye Bolts\u003c\/h2\u003e\n  \u003cul class=\"hdiy-features\"\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e💪\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eGrade 8.8 Carbon Steel Construction\u003c\/strong\u003e — Tensile strength of 800 MPa and yield strength of 640 MPa make these eye bolt anchors suitable for medium-to-heavy overhead loads in structural and industrial applications.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eGalvanized Zinc Coating\u003c\/strong\u003e — The electroplated zinc layer resists rust and oxidation, extending service life in outdoor, humid, or occasionally wet environments without sacrificing thread integrity.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eFour Metric Sizes in One Listing\u003c\/strong\u003e — Choose M6.5×40, M8×45, M10×60, or M12×70 to match your drill bit, load requirement, and embedment depth — no need to source from multiple suppliers.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eExpansion Sleeve Mechanism\u003c\/strong\u003e — The wedge-action expansion sleeve locks the anchor firmly against the bore wall as the bolt is tightened, creating a vibration-resistant grip in concrete and brick without adhesive.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e🪝\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eOpen Eye \/ Hook Head Design\u003c\/strong\u003e — The looped or hooked head accepts shackles, carabiners, wire rope clips, and chain links directly, making these concrete hook anchors versatile for rigging, hanging, and cable routing tasks.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eFlexible Quantity Options\u003c\/strong\u003e — Order 1, 3, 5, 10, or 20 pieces to match your project scope. Bulk quantities reduce per-piece cost for larger installations such as cable trays, gym rigs, or suspended ceiling grids.\u003c\/span\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003c!-- ④ TECHNICAL SPECIFICATIONS --\u003e\n  \u003ch2\u003e📐 Technical Specifications — Expansion Anchor Eye 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\u003eExpansion Anchor Eye Bolt (Hook Head)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eGrade 8.8 Carbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd\u003eGalvanized (Zinc Electroplated)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Standard\u003c\/th\u003e\n\u003ctd\u003eISO Metric Coarse Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003eM6.5×40mm (≈1\/4\"×1-9\/16\") · M8×45mm (5\/16\"×1-3\/4\") · M10×60mm (3\/8\"×2-3\/8\") · M12×70mm (1\/2\"×2-3\/4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTensile Strength\u003c\/th\u003e\n\u003ctd\u003e800 MPa (Grade 8.8)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eYield Strength\u003c\/th\u003e\n\u003ctd\u003e640 MPa (Grade 8.8)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSuitable Base Materials\u003c\/th\u003e\n\u003ctd\u003eSolid concrete, solid brick\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eInstallation Method\u003c\/th\u003e\n\u003ctd\u003eHammer drill + carbide masonry bit; wedge expansion on tightening\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eQuantity per Order\u003c\/th\u003e\n\u003ctd\u003e1 \/ 3 \/ 5 \/ 10 \/ 20 pieces (select variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWorking Load Limit\u003c\/th\u003e\n\u003ctd\u003eSee variant options — depends on size, embedment depth, and substrate\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\u003eInstallation Note:\u003c\/strong\u003e Always verify embedment depth and pull-out values against your local building code. For safety-critical overhead applications, consult a licensed structural engineer before installation.\n  \u003c\/div\u003e\n\n  \u003c!-- ⑤ FAQ --\u003e\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 size expansion anchor eye bolt?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eMatch the bolt diameter to your anchor hole size and load requirement. As a general guide: \u003cstrong\u003eM6.5×40mm (≈1\/4\")\u003c\/strong\u003e suits lighter fixtures typically up to ~30 kg; \u003cstrong\u003eM8×45mm (5\/16\")\u003c\/strong\u003e handles medium loads; \u003cstrong\u003eM10×60mm (3\/8\")\u003c\/strong\u003e is suited for heavier applications; \u003cstrong\u003eM12×70mm (1\/2\")\u003c\/strong\u003e is appropriate for structural or high-load anchoring. Embedment depth should generally be at least 10× the bolt diameter for reliable grip in concrete.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the load capacity of these eye bolts?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eGrade 8.8 carbon steel typically provides a tensile strength of 800 MPa and a yield strength of 640 MPa. Actual working load limits depend on the installed size, embedment depth, base material condition, and the safety factor applied. For critical overhead or structural applications, always consult a licensed structural engineer and apply an appropriate safety factor (commonly 4:1 or higher).\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these expansion anchor eye bolts suitable for outdoor or wet environments?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes, for general outdoor use. The galvanized zinc coating provides corrosion resistance against moisture and mild atmospheric exposure. For permanently submerged installations or highly corrosive environments such as coastal saltwater or chemical exposure, stainless steel anchors are generally recommended instead.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat thread standard do these eye bolts use — are they compatible with standard nuts?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese anchors use standard \u003cstrong\u003eISO metric coarse threads\u003c\/strong\u003e. M6.5, M8, M10, and M12 are compatible with standard metric nuts, washers, and hardware. They are not designed for UNC or UNF inch-thread systems. If you need to attach a nut or additional hardware to the shank, use the corresponding metric size.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat base materials can I install these anchors into?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese expansion anchor eye bolts are designed for \u003cstrong\u003esolid concrete\u003c\/strong\u003e and \u003cstrong\u003esolid brick\u003c\/strong\u003e. They are generally not recommended for hollow block, aerated concrete (AAC\/Ytong), soft masonry, or drywall without first verifying pull-out values for that specific substrate. In hollow or lightweight materials, use a toggle bolt or chemical anchor instead.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow many pieces should I order for my project?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eEach listing lets you select 1, 3, 5, 10, or 20 pieces. For a single hanging point — such as a heavy bag or a single cable drop — 1 piece is sufficient. For a cable tray run, gym rig, or suspended shelf system, the 10- or 20-piece option typically offers better per-piece value. Order a few extras to account for installation adjustments.\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. Use a \u003cstrong\u003ecarbide-tipped masonry or SDS hammer drill bit\u003c\/strong\u003e matching the anchor's nominal diameter (e.g., an 8 mm bit for M8 anchors). Drill to the required embedment depth, blow or vacuum out the dust, insert the anchor, and tighten the bolt until the expansion sleeve grips the base material firmly. Do not over-torque, as this can crack the surrounding concrete.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\n  \u003c!-- ⑥ CTA BAR --\u003e\n  \u003cdiv class=\"hdiy-cta\"\u003e\n    🛒 Select your \u003cstrong\u003ediameter × length 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":"Grade 8.8 Carbon Steel Galvanized Steel \/ M6.5*40 \/ 1","offer_id":52308751089938,"sku":"KFCGB16287x1","price":6.19,"currency_code":"USD","in_stock":true},{"title":"Grade 8.8 Carbon Steel Galvanized Steel \/ M6.5*40 \/ 3","offer_id":52308751122706,"sku":"KFCGB16287x3","price":11.25,"currency_code":"USD","in_stock":true},{"title":"Grade 8.8 Carbon Steel Galvanized Steel \/ M6.5*40 \/ 5","offer_id":52308751155474,"sku":"KFCGB16287x5","price":16.69,"currency_code":"USD","in_stock":true},{"title":"Grade 8.8 Carbon Steel Galvanized Steel \/ M6.5*40 \/ 10","offer_id":52308751188242,"sku":"KFCGB16287x10","price":30.7,"currency_code":"USD","in_stock":true},{"title":"Grade 8.8 Carbon Steel Galvanized Steel \/ M6.5*40 \/ 20","offer_id":52308751221010,"sku":"KFCGB16287x20","price":58.7,"currency_code":"USD","in_stock":true},{"title":"Grade 8.8 Carbon Steel Galvanized Steel \/ M8*45 \/ 1","offer_id":52308751253778,"sku":"KFCGB16288x1","price":7.74,"currency_code":"USD","in_stock":true},{"title":"Grade 8.8 Carbon Steel Galvanized Steel \/ M8*45 \/ 3","offer_id":52308751286546,"sku":"KFCGB16288x3","price":15.75,"currency_code":"USD","in_stock":true},{"title":"Grade 8.8 Carbon Steel Galvanized Steel \/ M8*45 \/ 5","offer_id":52308751319314,"sku":"KFCGB16288x5","price":24.32,"currency_code":"USD","in_stock":true},{"title":"Grade 8.8 Carbon Steel Galvanized Steel \/ M8*45 \/ 10","offer_id":52308751352082,"sku":"KFCGB16288x10","price":45.86,"currency_code":"USD","in_stock":true},{"title":"Grade 8.8 Carbon Steel Galvanized Steel \/ M8*45 \/ 20","offer_id":52308751384850,"sku":"KFCGB16288x20","price":88.88,"currency_code":"USD","in_stock":true},{"title":"Grade 8.8 Carbon Steel Galvanized Steel \/ M10*60 \/ 1","offer_id":52308751417618,"sku":"KFCGB16289x1","price":11.25,"currency_code":"USD","in_stock":true},{"title":"Grade 8.8 Carbon Steel Galvanized Steel \/ M10*60 \/ 3","offer_id":52308751450386,"sku":"KFCGB16289x3","price":28.21,"currency_code":"USD","in_stock":true},{"title":"Grade 8.8 Carbon Steel Galvanized Steel \/ M10*60 \/ 5","offer_id":52308751483154,"sku":"KFCGB16289x5","price":45.08,"currency_code":"USD","in_stock":true},{"title":"Grade 8.8 Carbon Steel Galvanized Steel \/ M10*60 \/ 10","offer_id":52308751515922,"sku":"KFCGB16289x10","price":87.33,"currency_code":"USD","in_stock":true},{"title":"Grade 8.8 Carbon Steel Galvanized Steel \/ M10*60 \/ 20","offer_id":52308751548690,"sku":"KFCGB16289x20","price":171.73,"currency_code":"USD","in_stock":true},{"title":"Grade 8.8 Carbon Steel Galvanized Steel \/ M12*70 \/ 1","offer_id":52308751581458,"sku":"KFCGB16290x1","price":17.69,"currency_code":"USD","in_stock":true},{"title":"Grade 8.8 Carbon Steel Galvanized Steel \/ M12*70 \/ 3","offer_id":52308751614226,"sku":"KFCGB16290x3","price":47.42,"currency_code":"USD","in_stock":true},{"title":"Grade 8.8 Carbon Steel Galvanized Steel \/ M12*70 \/ 5","offer_id":52308751646994,"sku":"KFCGB16290x5","price":77.21,"currency_code":"USD","in_stock":true},{"title":"Grade 8.8 Carbon Steel Galvanized Steel \/ M12*70 \/ 10","offer_id":52308751679762,"sku":"KFCGB16290x10","price":151.65,"currency_code":"USD","in_stock":true},{"title":"Grade 8.8 Carbon Steel Galvanized Steel \/ M12*70 \/ 20","offer_id":52308751712530,"sku":"KFCGB16290x20","price":300.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-01_5ec71e41-8341-481b-9eb5-a89df3d260fd.jpg?v=1780643127","url":"https:\/\/homediyer.com\/products\/expansion-anchor-eye-bolts-hook-grade-8-8-galvanized-steel-concrete-brick","provider":"HomeDIYer","version":"1.0","type":"link"}