{"product_id":"304-stainless-steel-eye-bolt-m3-m48-lifting-ring-screw","title":"304 Stainless Steel Eye Bolt M3–M48 | Heavy-Duty Lifting Ring Screw","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 eye bolt size?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Match the eye bolt thread diameter to your existing threaded hole or nut. For example, M6 (≈1\/4\\\" diameter) is typically used for light-duty hanging fixtures, while M12 (≈1\/2\\\") and above are generally suited for heavier rigging loads. Always verify the thread pitch and load rating before use.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What load can these eye bolts handle?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Working load limits vary by size. As a general guideline, smaller sizes like M3–M5 are typically rated for light-duty applications under 50 kg, while larger sizes such as M20 and above can generally support several hundred kilograms. Always consult a load table and apply an appropriate safety factor for your application.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these eye bolts suitable for outdoor or marine use?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Made from 304 stainless steel, these lifting ring screws offer good corrosion resistance in outdoor and mildly marine environments. For highly aggressive saltwater or chemical exposure, 316 stainless steel is generally recommended instead.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What thread standard do these eye bolts use?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These eye bolts use standard metric coarse thread (ISO 68-1), which is the most common thread standard worldwide. They are compatible with standard metric nuts, threaded inserts, and tapped holes of the corresponding size.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use these for vertical lifting only, or also for angled loads?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Standard eye bolts like these are generally designed for in-line (vertical) loads. For angled or side-loading applications, a shoulder-pattern eye bolt or a swivel hoist ring is typically recommended to avoid bending stress on the shank.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I install an eye bolt correctly?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Thread the eye bolt fully into the tapped hole or through a clearance hole with a nut on the back. Tighten until the eye is snug and oriented in the direction of the load. Do not over-torque, as this can stress the shank. For critical lifting, always use a torque wrench and follow applicable rigging standards.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the difference between an eye bolt and a lifting ring screw?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The terms are often used interchangeably. A lifting ring screw (also called a hoist ring or eyelet screw) typically refers to the same style of fastener with a closed circular loop on top and a threaded shank below. The ring allows attachment of hooks, shackles, cables, or ropes for lifting and rigging.\"\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\u003e304 Stainless Steel Eye Bolt M3–M48 — Reliable Lifting Ring Screws for Every Load\u003c\/h2\u003e\n    \u003cp\u003eWhether you're rigging a chandelier, securing a load on a trailer, or building a custom cable management system in your workshop, finding a lifting ring screw that won't corrode, strip, or fail under load is non-negotiable. These 304 stainless steel eye bolts are built for DIYers, fabricators, riggers, and contractors who need a dependable fastener across a wide range of thread sizes — without sourcing from multiple suppliers.\u003c\/p\u003e\n    \u003cp\u003eEach listing is sold as an individual piece (1 Pcs per order) in your chosen size. The threaded shank follows standard metric coarse thread (ISO 68-1), available in sizes from M3 (≈0.12\") through M48 (≈1.89\"), covering the full spectrum from fine detail work to heavy structural rigging. The closed circular eye is formed from the same 304 stainless steel bar stock, giving you a continuous load path with no weld seam at the ring junction on smaller sizes.\u003c\/p\u003e\n    \u003cp\u003eTypical use cases include overhead lifting points in garages and workshops, anchor points for rope, cable, or chain rigging, hanging fixtures and lighting in residential or commercial settings, marine deck hardware and sailboat rigging accessories, and securing cargo tie-down points on trailers and flatbeds.\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\u003eThread Compatibility:\u003c\/strong\u003e Standard metric coarse thread (ISO 68-1) — fits metric nuts, threaded inserts, and tapped holes of the matching size. Sizes M3 through M48 available. Not compatible with UNC\/UNF inch-thread applications without an adapter.\n  \u003c\/div\u003e\n\n  \u003c!-- ③ KEY FEATURES --\u003e\n  \u003ch2\u003e✅ Key Features of These 304 Stainless Steel 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\u003eCorrosion-Resistant 304 Stainless Steel\u003c\/strong\u003e — Resists rust, oxidation, and surface staining in outdoor, humid, and mildly marine environments, making these lifting ring screws a long-lasting choice for exposed installations.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eWide Size Range M3–M48\u003c\/strong\u003e — From M3 (≈0.12\") for light-duty eyelet screw applications to M48 (≈1.89\") for heavy structural rigging, one product line covers the full spectrum so you can standardize your fastener sourcing.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e🔗\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eClosed-Loop Eye Design\u003c\/strong\u003e — The fully enclosed ring accepts hooks, shackles, carabiners, wire rope clips, and chain links without the risk of accidental disengagement under load.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eStandard Metric Coarse Thread\u003c\/strong\u003e — ISO 68-1 thread form ensures compatibility with off-the-shelf metric nuts and tapped holes, simplifying installation in fabrication, rigging, and heavy-duty DIY projects.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e🏗️\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eVersatile Across Industries\u003c\/strong\u003e — Suitable for workshop overhead lifting points, marine deck hardware, theatrical rigging, cargo tie-down anchors, and architectural hanging systems — wherever a threaded eye bolt anchor point is needed.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e🧹\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eSmooth Machined Finish\u003c\/strong\u003e — The shank and eye surface are machined to consistent tolerances, reducing thread galling during installation and ensuring a clean appearance in visible architectural or interior applications.\u003c\/span\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003c!-- ④ TECHNICAL SPECIFICATIONS --\u003e\n  \u003ch2\u003e📐 Technical Specifications — Stainless Steel Eye Bolt Lifting Ring Screws\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 (18-8)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Standard\u003c\/th\u003e\n\u003ctd\u003eMetric Coarse Thread, ISO 68-1\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003eM3, M4, M5, M6, M8, M10, M12, M14, M16, M18, M20, M24, M27, M30, M36, M42, M48\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSize Range (Diameter)\u003c\/th\u003e\n\u003ctd\u003eM3 (≈0.12\") — M48 (≈1.89\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eEye \/ Ring Type\u003c\/th\u003e\n\u003ctd\u003eClosed circular loop (fully enclosed)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eShank Length\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eEye Inner Diameter\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWorking Load Limit\u003c\/th\u003e\n\u003ctd\u003eSee variant options — contact us to confirm for critical applications\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSurface Finish\u003c\/th\u003e\n\u003ctd\u003eMachined, natural stainless (no coating)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCorrosion Resistance\u003c\/th\u003e\n\u003ctd\u003eGood — suitable for outdoor and mildly marine environments\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eQuantity per Order\u003c\/th\u003e\n\u003ctd\u003e1 Pcs (single piece)\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\u003eSizing Note:\u003c\/strong\u003e Shank length and eye inner diameter vary by size. If your application has specific clearance or engagement length requirements, please contact us before ordering to confirm the exact dimensions for your chosen size.\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 eye bolt size for my project?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eMatch the thread diameter to your tapped hole or nut size. As a general reference: M6 (≈1\/4\") is typically used for light hanging fixtures and small rigging points; M10–M12 (≈3\/8\"–1\/2\") are generally suited for medium workshop loads; M16 and above (≈5\/8\"+) are commonly used for heavier structural and industrial rigging. Always verify the thread pitch and confirm the working load limit before use in any load-bearing application.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat load can these stainless steel eye bolts handle?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eWorking load limits vary by size and are not printed on the fastener itself. As a general guideline, smaller sizes (M3–M5) are typically rated for light-duty applications under 50 kg, while larger sizes (M20+) can generally support several hundred kilograms in vertical in-line loading. For any safety-critical lifting application, please contact us to confirm the rated WLL for your specific size, and always apply an appropriate safety factor per applicable rigging standards (e.g., ASME B30.26).\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these eye bolts safe for outdoor and marine environments?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes — 304 stainless steel (18-8) offers good corrosion resistance in outdoor, humid, and mildly marine environments. It is generally suitable for freshwater marine use, coastal outdoor installations, and exposed workshop hardware. For highly aggressive saltwater immersion, chemical processing, or chlorinated pool environments, 316 stainless steel is typically recommended for superior chloride resistance.\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 lifting ring screws use standard metric coarse thread per ISO 68-1, which is the most widely used metric thread standard globally. They are compatible with standard metric hex nuts, coupling nuts, threaded inserts, and tapped holes of the corresponding size (e.g., an M10 eye bolt fits a standard M10 nut or M10 tapped hole). They are \u003cstrong\u003enot\u003c\/strong\u003e compatible with UNC or UNF inch-thread fasteners without an adapter.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I use these eye bolts for angled or side loads, not just vertical lifting?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eStandard straight-shank eye bolts like these are generally designed for in-line (vertical) loading through the axis of the shank. Applying angled or side loads introduces bending stress on the shank, which can significantly reduce the effective load capacity. For applications requiring angular loading (typically beyond 45° from vertical), a shoulder-pattern eye bolt or a swivel hoist ring is generally recommended. Always consult applicable rigging guidelines for your specific load angle.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I install an eye bolt correctly?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThread the eye bolt fully into the tapped hole or through a clearance hole with a backing nut. Tighten until the eye is snug and oriented in the direction of the intended load. Avoid over-torquing, which can stress the shank or distort the eye. For critical lifting points, use a calibrated torque wrench and follow the torque specifications for the thread size. Inspect the installation before each use for signs of thread damage, corrosion, or deformation.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the difference between an eye bolt and a lifting ring screw?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThe terms are commonly used interchangeably in the hardware and rigging industry. Both refer to a fastener with a closed circular loop (the \"eye\" or \"ring\") on one end and a threaded shank on the other. \"Lifting ring screw\" and \"eyelet screw bolt\" are simply alternate names for the same style of hardware. The closed ring allows attachment of hooks, shackles, wire rope, chain, or carabiners for lifting, hanging, and rigging applications.\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 size above, then add to cart — ships from our US warehouse.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"M3 \/ 1 Pcs","offer_id":52309342257426,"sku":"GLFBQLWZYBXG0374x1","price":6.38,"currency_code":"USD","in_stock":true},{"title":"M4 \/ 1 Pcs","offer_id":52309342290194,"sku":"GLFBQLWZYBXG0375x1","price":6.38,"currency_code":"USD","in_stock":true},{"title":"M5 \/ 1 Pcs","offer_id":52309342322962,"sku":"GLFBQLWZYBXG0376x1","price":6.38,"currency_code":"USD","in_stock":true},{"title":"M6 \/ 1 Pcs","offer_id":52309342355730,"sku":"GLFBQLWZYBXG0377x1","price":6.51,"currency_code":"USD","in_stock":true},{"title":"M8 \/ 1 Pcs","offer_id":52309342388498,"sku":"GLFBQLWZYBXG0378x1","price":5.15,"currency_code":"USD","in_stock":true},{"title":"M10 \/ 1 Pcs","offer_id":52309342421266,"sku":"GLFBQLWZYBXG0379x1","price":8.09,"currency_code":"USD","in_stock":true},{"title":"M12 \/ 1 Pcs","offer_id":52309342454034,"sku":"GLFBQLWZYBXG0380x1","price":11.82,"currency_code":"USD","in_stock":true},{"title":"M14 \/ 1 Pcs","offer_id":52309342486802,"sku":"GLFBQLWZYBXG0381x1","price":13.86,"currency_code":"USD","in_stock":true},{"title":"M16 \/ 1 Pcs","offer_id":52309342519570,"sku":"GLFBQLWZYBXG0382x1","price":19.3,"currency_code":"USD","in_stock":true},{"title":"M18 \/ 1 Pcs","offer_id":52309342552338,"sku":"GLFBQLWZYBXG0383x1","price":27.4,"currency_code":"USD","in_stock":true},{"title":"M20 \/ 1 Pcs","offer_id":52309342585106,"sku":"GLFBQLWZYBXG0384x1","price":31.67,"currency_code":"USD","in_stock":true},{"title":"M24 \/ 1 Pcs","offer_id":52309342617874,"sku":"GLFBQLWZYBXG0385x1","price":50.58,"currency_code":"USD","in_stock":true},{"title":"M27 \/ 1 Pcs","offer_id":52309342650642,"sku":"GLFBQLWZYBXG0386x1","price":77.32,"currency_code":"USD","in_stock":true},{"title":"M30 \/ 1 Pcs","offer_id":52309342683410,"sku":"GLFBQLWZYBXG0387x1","price":119.12,"currency_code":"USD","in_stock":true},{"title":"M36 \/ 1 Pcs","offer_id":52309342716178,"sku":"GLFBQLWZYBXG0388x1","price":262.74,"currency_code":"USD","in_stock":true},{"title":"M42 \/ 1 Pcs","offer_id":52309342748946,"sku":"GLFBQLWZYBXG0389x1","price":325.79,"currency_code":"USD","in_stock":true},{"title":"M48 \/ 1 Pcs","offer_id":52309342781714,"sku":"GLFBQLWZYBXG0390x1","price":438.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture6of10_a5a0b986-3a23-4db9-a2fb-2044dd3a950f.jpg?v=1780501626","url":"https:\/\/homediyer.com\/products\/304-stainless-steel-eye-bolt-m3-m48-lifting-ring-screw","provider":"HomeDIYer","version":"1.0","type":"link"}