{"product_id":"304-stainless-steel-a2-eye-bolt-sleeve-anchors-concrete-m6-5-m8-m10-m12","title":"304 Stainless Steel A2 Eye Bolt Sleeve Anchors for Concrete — 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 diameter and length for my eye bolt sleeve anchor?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Match the bolt diameter to your fixture hole size — M6.5 (≈1\/4\\u2033), M8 (5\/16\\u2033), M10 (3\/8\\u2033), or M12 (1\/2\\u2033). For length, the anchor shank should embed at least 4× the bolt diameter into the base material. For example, an M8 anchor typically requires a minimum 32 mm (≈1-1\/4\\u2033) embedment depth.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What load can these eye bolt sleeve anchors support?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Working load capacity depends on bolt diameter, embedment depth, and base material strength. Generally, M8 anchors in standard concrete (C20\/25) support tensile loads of approximately 1.0–2.0 kN per anchor. Always apply a safety factor of at least 4:1 and consult a structural engineer for critical overhead or dynamic load applications.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these anchors suitable for outdoor or marine environments?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. The 304 stainless steel (A2 grade) construction provides good corrosion resistance for most outdoor, coastal, and humid environments. For highly aggressive marine or chemical environments, 316 (A4) stainless steel is generally recommended instead.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What thread standard do these eye bolt anchors use?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These anchors use standard metric coarse threads (ISO 261). M6.5×40, M8×45, M10×60, and M12×70 are the available size combinations. They are compatible with standard metric nuts and washers of the corresponding size.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use these anchors in brick or block, not just concrete?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Sleeve anchors generally perform best in solid concrete. They can be used in solid brick or dense block, but load ratings are typically lower than in concrete. They are not recommended for hollow block, aerated concrete (AAC), or soft masonry without engineering review.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many anchors do I need to buy — can I order just one?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Each listing lets you choose a quantity of 1, 3, 5, 10, or 20 pieces per order. Buying in larger quantities reduces the per-unit cost significantly, making it economical for contractors or multi-point rigging projects.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What drill bit size do I need for installation?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Use a carbide-tipped masonry or hammer drill bit matching the anchor's nominal diameter: 6.5 mm for M6.5, 8 mm for M8, 10 mm for M10, and 12 mm for M12. Drill depth should equal the anchor length plus approximately 6 mm (1\/4\\u2033) for debris clearance.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003c!-- ① OVERVIEW --\u003e\n  \u003ch2\u003eStainless Steel Eye Bolt Sleeve Anchors for Concrete — Secure Overhead Rigging Without Guesswork\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003cp\u003eWhether you're hanging a swing set, rigging a block-and-tackle in a workshop, or securing safety cables to a concrete ceiling, a loose or corroded anchor point is a liability you can't afford. Contractors, riggers, and serious DIYers need an anchor that expands reliably in concrete, holds its rated load, and won't rust out after one wet season.\u003c\/p\u003e\n    \u003cp\u003eEach piece is a one-body 304 stainless steel A2 eye bolt sleeve anchor — the eye loop and the expansion sleeve are integrated into a single corrosion-resistant fastener. Available in four diameter-by-length combinations: M6.5×40mm (≈1\/4\"×1-9\/16\"), M8×45mm (≈5\/16\"×1-3\/4\"), M10×60mm (≈3\/8\"×2-3\/8\"), and M12×70mm (≈1\/2\"×2-3\/4\"). Order in quantities of 1, 3, 5, 10, or 20 pieces to match your project scale.\u003c\/p\u003e\n    \u003cp\u003eTypical applications include overhead cable and rope rigging in garages and warehouses, anchor points for fall-arrest systems on concrete structures, hanging planters or lighting fixtures from concrete ceilings, and securing safety netting or tarpaulins to masonry walls — all scenarios where a stainless steel eye bolt sleeve anchor for concrete delivers long-term reliability.\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 (C20\/25 and above) · Solid brick · Dense masonry block · Standard metric nuts \u0026amp; washers (ISO 261 coarse thread) · M6.5, M8, M10, M12 drill bits\n  \u003c\/div\u003e\n\n  \u003c!-- ③ KEY FEATURES --\u003e\n  \u003ch2\u003e✅ Key Features of These Stainless Steel Eye Bolt Sleeve Anchors\u003c\/h2\u003e\n  \u003cul class=\"hdiy-features\"\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔗\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eIntegrated Eye Loop Design\u003c\/strong\u003e — The eye and anchor body are forged as one piece, eliminating the weak point of a threaded-on eye bolt that can unscrew under cyclic or rotational loads.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e304 A2 Stainless Steel Construction\u003c\/strong\u003e — Resists rust, oxidation, and mild chemical exposure — suitable for outdoor, coastal, and humid indoor environments where carbon steel anchors would corrode within months.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFour Size Options in One Listing\u003c\/strong\u003e — M6.5×40, M8×45, M10×60, and M12×70 cover the most common concrete anchor diameters for light-duty rigging through medium structural attachment points.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eWedge-Expansion Sleeve Mechanism\u003c\/strong\u003e — As the nut is tightened, the sleeve expands radially against the drilled hole wall, creating a mechanical interlock that resists pull-out forces in solid concrete and masonry.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFlexible Quantity Options\u003c\/strong\u003e — Choose 1, 3, 5, 10, or 20 pieces per order. Single-piece ordering suits repair jobs; bulk quantities reduce per-unit cost for contractors installing multiple anchor points.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eStandard Metric Thread Compatibility\u003c\/strong\u003e — ISO 261 coarse metric threads mean these eye bolt anchors work with off-the-shelf metric hardware — no proprietary tools or specialty nuts required for installation or adjustment.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003c!-- ④ TECHNICAL SPECIFICATIONS --\u003e\n  \u003ch2\u003e📐 Technical Specifications — Eye Bolt Sleeve Anchors\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e304 Stainless Steel (A2 grade, ISO 3506)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Sizes (Diameter × Length)\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\u003eThread Standard\u003c\/th\u003e\n\u003ctd\u003eMetric coarse thread, ISO 261\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAnchor Type\u003c\/th\u003e\n\u003ctd\u003eSleeve expansion anchor with integrated eye loop\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eBase Material Compatibility\u003c\/th\u003e\n\u003ctd\u003eSolid concrete, solid brick, dense masonry block\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eMinimum Embedment Depth\u003c\/th\u003e\n\u003ctd\u003eTypically ≥4× nominal diameter (e.g., M8: ≥32mm \/ ≈1-1\/4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eRequired Drill Bit Diameter\u003c\/th\u003e\n\u003ctd\u003eMatches nominal anchor diameter (6.5 \/ 8 \/ 10 \/ 12 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFinish \/ Surface Treatment\u003c\/th\u003e\n\u003ctd\u003eMill finish (natural stainless steel)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWorking Load (Tensile, indicative)\u003c\/th\u003e\n\u003ctd\u003eSee variant options — varies by size, embedment depth, and concrete grade\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 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\u003eInstallation note:\u003c\/strong\u003e Always verify anchor size, embedment depth, and concrete grade against your project's load requirements before installation. For overhead or life-safety applications, consult a licensed structural engineer.\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 diameter and length for my eye bolt sleeve anchor?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eMatch the bolt diameter to your fixture hole size — M6.5 (≈1\/4\"), M8 (≈5\/16\"), M10 (≈3\/8\"), or M12 (≈1\/2\"). For length, the anchor shank should embed at least 4× the bolt diameter into the base material. For example, an M8 anchor typically requires a minimum 32mm (≈1-1\/4\") embedment depth. Choose a longer anchor when working in lower-strength concrete or when higher loads are expected.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat load can these eye bolt sleeve anchors support?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eWorking load capacity depends on bolt diameter, embedment depth, and base material strength. Generally, M8 anchors in standard concrete (C20\/25) support tensile loads of approximately 1.0–2.0 kN per anchor. Always apply a safety factor of at least 4:1 and consult a structural engineer for critical overhead or dynamic load applications. Do not use load ratings from one size to estimate another without recalculating.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these anchors suitable for outdoor or marine environments?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes. The 304 stainless steel (A2 grade) construction provides good corrosion resistance for most outdoor, coastal, and humid environments. For highly aggressive marine or chemical environments — such as direct saltwater splash zones or chemical processing areas — 316 (A4) stainless steel is generally recommended instead. In typical outdoor or covered exterior applications, 304 A2 performs reliably for many years.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat thread standard do these eye bolt anchors use — are they compatible with standard metric hardware?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese anchors use standard metric coarse threads per ISO 261. The available combinations are M6.5×40, M8×45, M10×60, and M12×70. They are compatible with standard metric nuts and flat washers of the corresponding size, available at any hardware store. No proprietary tools or specialty hardware are required.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I use these anchors in brick or block, not just concrete?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eSleeve anchors generally perform best in solid concrete. They can be used in solid brick or dense block, but load ratings are typically lower than in concrete of equivalent thickness. They are not recommended for hollow block, aerated concrete (AAC\/Aircrete), or soft masonry without engineering review. When in doubt, use a chemical anchor system for non-concrete substrates.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow many anchors do I need to buy — can I order just one piece?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes — each listing lets you choose a quantity of 1, 3, 5, 10, or 20 pieces per order. A single piece is ideal for a one-off repair or replacement. Buying in larger quantities (10 or 20 pcs) reduces the per-unit cost significantly, making it economical for contractors or multi-point rigging projects such as safety cable systems or suspended equipment installations.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat drill bit size and drill type do I need for installation?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eUse a carbide-tipped masonry or SDS hammer drill bit matching the anchor's nominal diameter: 6.5 mm for M6.5, 8 mm for M8, 10 mm for M10, and 12 mm for M12. Drill depth should equal the anchor length plus approximately 6 mm (≈1\/4\") for debris clearance. Always blow out the hole with compressed air and clean it before inserting the anchor to ensure proper expansion and maximum holding strength.\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 diameter, length, and quantity above, then add to cart — ships from our US warehouse.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"304 Stainless Steel A2 \/ M6.5*40 \/ 1","offer_id":52308755513618,"sku":"KFCGB16379x1","price":6.26,"currency_code":"USD","in_stock":true},{"title":"304 Stainless Steel A2 \/ M6.5*40 \/ 3","offer_id":52308755546386,"sku":"KFCGB16379x3","price":14.21,"currency_code":"USD","in_stock":true},{"title":"304 Stainless Steel A2 \/ M6.5*40 \/ 5","offer_id":52308755579154,"sku":"KFCGB16379x5","price":22.11,"currency_code":"USD","in_stock":true},{"title":"304 Stainless Steel A2 \/ M6.5*40 \/ 10","offer_id":52308755611922,"sku":"KFCGB16379x10","price":42.16,"currency_code":"USD","in_stock":true},{"title":"304 Stainless Steel A2 \/ M6.5*40 \/ 20","offer_id":52308755644690,"sku":"KFCGB16379x20","price":82.25,"currency_code":"USD","in_stock":true},{"title":"304 Stainless Steel A2 \/ M8*45 \/ 1","offer_id":52308755677458,"sku":"KFCGB16380x1","price":8.35,"currency_code":"USD","in_stock":true},{"title":"304 Stainless Steel A2 \/ M8*45 \/ 3","offer_id":52308755710226,"sku":"KFCGB16380x3","price":19.3,"currency_code":"USD","in_stock":true},{"title":"304 Stainless Steel A2 \/ M8*45 \/ 5","offer_id":52308755742994,"sku":"KFCGB16380x5","price":30.67,"currency_code":"USD","in_stock":true},{"title":"304 Stainless Steel A2 \/ M8*45 \/ 10","offer_id":52308755775762,"sku":"KFCGB16380x10","price":59.21,"currency_code":"USD","in_stock":true},{"title":"304 Stainless Steel A2 \/ M8*45 \/ 20","offer_id":52308755808530,"sku":"KFCGB16380x20","price":116.36,"currency_code":"USD","in_stock":true},{"title":"304 Stainless Steel A2 \/ M10*60 \/ 1","offer_id":52308755841298,"sku":"KFCGB16381x1","price":12.54,"currency_code":"USD","in_stock":true},{"title":"304 Stainless Steel A2 \/ M10*60 \/ 3","offer_id":52308755874066,"sku":"KFCGB16381x3","price":33.48,"currency_code":"USD","in_stock":true},{"title":"304 Stainless Steel A2 \/ M10*60 \/ 5","offer_id":52308755906834,"sku":"KFCGB16381x5","price":54.3,"currency_code":"USD","in_stock":true},{"title":"304 Stainless Steel A2 \/ M10*60 \/ 10","offer_id":52308755939602,"sku":"KFCGB16381x10","price":106.49,"currency_code":"USD","in_stock":true},{"title":"304 Stainless Steel A2 \/ M10*60 \/ 20","offer_id":52308755972370,"sku":"KFCGB16381x20","price":210.91,"currency_code":"USD","in_stock":true},{"title":"304 Stainless Steel A2 \/ M12*70 \/ 1","offer_id":52308756005138,"sku":"KFCGB16382x1","price":19.72,"currency_code":"USD","in_stock":true},{"title":"304 Stainless Steel A2 \/ M12*70 \/ 3","offer_id":52308756037906,"sku":"KFCGB16382x3","price":55.03,"currency_code":"USD","in_stock":true},{"title":"304 Stainless Steel A2 \/ M12*70 \/ 5","offer_id":52308756070674,"sku":"KFCGB16382x5","price":90.33,"currency_code":"USD","in_stock":true},{"title":"304 Stainless Steel A2 \/ M12*70 \/ 10","offer_id":52308756103442,"sku":"KFCGB16382x10","price":178.47,"currency_code":"USD","in_stock":true},{"title":"304 Stainless Steel A2 \/ M12*70 \/ 20","offer_id":52308756136210,"sku":"KFCGB16382x20","price":354.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-03_936b4511-7cea-46fb-9663-0c950ca00dd0.jpg?v=1780643606","url":"https:\/\/homediyer.com\/products\/304-stainless-steel-a2-eye-bolt-sleeve-anchors-concrete-m6-5-m8-m10-m12","provider":"HomeDIYer","version":"1.0","type":"link"}