{"product_id":"m20-eye-bolt-304-stainless-steel-threaded-ring-lifting-screw","title":"M20 Eye Bolt 304 Stainless Steel Threaded Ring Lifting Screw — 70mm to 200mm","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 M20 eye bolt?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Measure the thickness of the material you are bolting through, then add enough thread engagement — generally at least 1.5× the bolt diameter (≈30mm for M20). For example, a 50mm thick beam typically requires a 70mm (≈2.76\\u2033) or 80mm (≈3.15\\u2033) bolt. Lengths from 100mm onward have a partial thread shank (b=80mm), which is better suited for thicker substrates.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the load capacity of these M20 eye bolts?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Working load limits vary by installation angle and substrate. M20 eye bolts in 304 stainless steel generally support a vertical working load of around 1,000–1,500 kg when properly installed in a rated anchor point. Always derate for angled loads and consult a structural engineer for safety-critical applications.\"\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. 304 stainless steel offers strong resistance to rust and oxidation, making these eye bolts well-suited for outdoor, coastal, and light marine environments. For highly aggressive saltwater or chemical exposure, 316 stainless steel is generally recommended.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What thread standard do these M20 eye bolts use?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These eye bolts use the standard metric M20 coarse thread (pitch 2.5mm), compatible with any M20-threaded nut, insert, or anchor. They are not compatible with imperial UNC\/UNF threads.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the difference between full-thread and partial-thread lengths?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Lengths 70mm and 80mm and 90mm are fully threaded (b = full thread), meaning the thread runs the entire shank length — ideal for thinner materials or maximum thread engagement. Lengths 100mm and above have a partial thread shank (b = 80mm), leaving a smooth shank section that reduces stress concentration in thicker substrates.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use these eye bolts for catenary wire or cable hanging systems?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. The looped eye head is designed to accept shackles, carabiners, wire rope clips, and catenary wire tensioners. Ensure the eye inner diameter is compatible with your hardware — M20 eye bolts typically have an eye inner diameter of approximately 20–22mm.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do I need a nut or washer with these eye bolts?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"For through-bolt installations, a matching M20 nut and washer are recommended to distribute load and prevent pull-through. For threaded insert or anchor applications, the bolt threads directly into the anchor — no nut required. Nuts and washers are not included and should be sourced separately.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003ch2\u003eM20 Eye Bolt 304 Stainless Steel — Reliable Lifting \u0026amp; Rigging Anchor Point\u003c\/h2\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003cp\u003eWhether you're rigging a catenary wire across a patio, suspending heavy equipment from a ceiling beam, or anchoring a load in a coastal environment, a loose or corroded eye bolt is a liability you can't afford. These \u003cstrong\u003eM20 eye bolts in 304 stainless steel\u003c\/strong\u003e are built for contractors, riggers, and serious DIYers who need a dependable threaded ring screw that won't let them down mid-project.\u003c\/p\u003e\n    \u003cp\u003eEach bolt features a closed-loop eye head forged from \u003cstrong\u003e304 stainless steel\u003c\/strong\u003e with a fully threaded or partial-thread M20 shank (pitch 2.5mm). Available in 14 lengths from \u003cstrong\u003e70mm (≈2.76\")\u003c\/strong\u003e to \u003cstrong\u003e200mm (≈7.87\")\u003c\/strong\u003e. Shorter lengths — 70mm, 80mm, and 90mm — are \u003cstrong\u003efully threaded (b = full thread)\u003c\/strong\u003e for maximum engagement in thinner materials. Lengths from 100mm to 200mm feature a \u003cstrong\u003epartial thread shank (b = 80mm)\u003c\/strong\u003e, leaving a smooth section suited for thicker substrates. Sold individually (1 pc per order); select your length above.\u003c\/p\u003e\n    \u003cp\u003eTypical applications include \u003cstrong\u003ecatenary wire hanging systems\u003c\/strong\u003e for outdoor string lights and shade sails, \u003cstrong\u003eoverhead lifting and rigging\u003c\/strong\u003e in workshops and warehouses, \u003cstrong\u003emarine and dock hardware\u003c\/strong\u003e installations, and structural anchor points for fall-arrest or safety line systems. The M20 thread size makes these a go-to choice when a standard M10 or M12 eye bolt simply isn't strong enough.\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\u003eThread Compatibility:\u003c\/strong\u003e Standard M20 coarse thread (pitch 2.5mm) — fits any M20 nut, threaded insert, or anchor. \u003cstrong\u003eNot compatible\u003c\/strong\u003e with imperial UNC\/UNF threads.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-note\"\u003e\n    \u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e\n    \u003cstrong\u003eConfirm your length before ordering.\u003c\/strong\u003e Measure your substrate thickness and required thread engagement. If you're unsure which length suits your application, contact us before purchasing.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e✅ Key Features of These M20 304 Stainless Steel Eye Bolts\u003c\/h2\u003e\n\n  \u003cul class=\"hdiy-features\"\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e🔗\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eClosed-Loop Eye Head\u003c\/strong\u003e — The fully enclosed ring accepts shackles, carabiners, wire rope clips, and catenary wire tensioners without the risk of hardware slipping out 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\u003e304 Stainless Steel Construction\u003c\/strong\u003e — Resists rust, oxidation, and surface corrosion in outdoor, coastal, and humid environments — a significant step up from zinc-plated carbon steel eye bolts that pit and seize over time.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003e14 Length Options (70–200mm)\u003c\/strong\u003e — Full-thread variants (70–90mm) maximize engagement in thinner materials; partial-thread variants (100–200mm, b=80mm) reduce shank stress in thicker beams and concrete anchors.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eStandard M20 Coarse Thread\u003c\/strong\u003e — Pitch 2.5mm thread is universally compatible with M20 nuts, drop-in anchors, and threaded rod couplers, making installation straightforward without special tooling.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e🏗️\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eSuited for Heavy-Duty Rigging\u003c\/strong\u003e — The M20 diameter is chosen by professionals for overhead lifting, structural tie-downs, and load-bearing catenary wire anchor points where smaller eye bolts would be undersized.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eWrench-Ready Shank\u003c\/strong\u003e — The shank can be driven with a standard open-end or adjustable wrench for controlled torque installation, ensuring the eye is oriented correctly before final tightening.\u003c\/span\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003e📐 Technical Specifications — M20 Stainless Steel Eye Bolt\u003c\/h2\u003e\n\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Size\u003c\/th\u003e\n\u003ctd\u003eM20\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Pitch\u003c\/th\u003e\n\u003ctd\u003e2.5mm (coarse)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Standard\u003c\/th\u003e\n\u003ctd\u003eISO metric (DIN 580 style)\u003c\/td\u003e\n\u003c\/tr\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\u003eHead Type\u003c\/th\u003e\n\u003ctd\u003eClosed-loop eye ring\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Lengths (L)\u003c\/th\u003e\n\u003ctd\u003e70mm (≈2.76\"), 80mm (≈3.15\"), 90mm (≈3.54\"), 100mm (≈3.94\"), 110mm (≈4.33\"), 120mm (≈4.72\"), 130mm (≈5.12\"), 140mm (≈5.51\"), 150mm (≈5.91\"), 160mm (≈6.30\"), 170mm (≈6.69\"), 180mm (≈7.09\"), 190mm (≈7.48\"), 200mm (≈7.87\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Length (b)\u003c\/th\u003e\n\u003ctd\u003eFull thread: 70mm, 80mm, 90mm  |  Partial thread b=80mm: 100mm–200mm\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\u003eSurface Finish\u003c\/th\u003e\n\u003ctd\u003eBrushed \/ natural stainless\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eQuantity per Order\u003c\/th\u003e\n\u003ctd\u003e1 piece\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eRecommended Installation\u003c\/th\u003e\n\u003ctd\u003eTorque to specification; use M20 nut + washer for through-bolt applications\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCorrosion Resistance\u003c\/th\u003e\n\u003ctd\u003eSuitable for outdoor \u0026amp; coastal environments; contact us to confirm for submerged or chemical exposure\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\n  \u003cdiv class=\"hdiy-faq\"\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I choose the right length for my M20 eye bolt?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eMeasure the thickness of the material you are bolting through, then add enough thread engagement — generally at least 1.5× the bolt diameter (≈30mm for M20). For example, a 50mm thick beam typically requires a 70mm (≈2.76\") or 80mm (≈3.15\") bolt. Lengths from 100mm onward have a partial thread shank (b=80mm), which is better suited for thicker substrates where a smooth shank reduces stress concentration.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the load capacity of these M20 eye bolts?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eWorking load limits vary by installation angle and substrate quality. M20 eye bolts in 304 stainless steel generally support a vertical working load of around 1,000–1,500 kg when properly installed in a rated anchor point. Always derate for angled loads — a 45° sling angle typically reduces capacity by around 30%. Consult a structural engineer for safety-critical or overhead lifting applications.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these eye bolts suitable for outdoor or marine use?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes. 304 stainless steel offers strong resistance to rust and oxidation, making these eye bolts well-suited for outdoor, coastal, and light marine environments. For highly aggressive saltwater immersion or chemical exposure, 316 stainless steel is generally recommended. If you're unsure, contact us to confirm suitability for your specific environment.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat thread standard do these M20 eye bolts use — are they compatible with my existing hardware?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese eye bolts use the standard ISO metric M20 coarse thread (pitch 2.5mm), compatible with any M20-threaded nut, drop-in anchor, threaded insert, or rod coupler. They are \u003cstrong\u003enot compatible\u003c\/strong\u003e with imperial UNC or UNF threads. If your existing hardware is imperial, you will need an adapter or a different bolt standard.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the difference between the full-thread and partial-thread length options?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eLengths 70mm, 80mm, and 90mm are \u003cstrong\u003efully threaded\u003c\/strong\u003e (b = full thread) — the thread runs the entire shank length, ideal for thinner materials or when you need maximum thread engagement. Lengths 100mm through 200mm have a \u003cstrong\u003epartial thread shank (b = 80mm)\u003c\/strong\u003e, leaving a smooth unthreaded section. This smooth shank reduces stress concentration in thicker substrates and is the standard configuration for longer structural eye bolts.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I use these eye bolts for catenary wire or cable hanging systems?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes. The closed-loop eye head is designed to accept shackles, carabiners, wire rope clips, and catenary wire tensioners. Ensure the eye inner diameter is compatible with your connecting hardware — M20 eye bolts typically have an eye inner diameter of approximately 20–22mm, though we recommend confirming this for your specific application. Contact us if you need exact eye dimensions before ordering.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eDo I need a nut or washer with these eye bolts?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eFor through-bolt installations (bolting through a beam or plate), a matching M20 nut and washer are recommended to distribute the load and prevent pull-through. For threaded insert or drop-in anchor applications, the bolt threads directly into the anchor — no nut is required. Nuts and washers are \u003cstrong\u003enot included\u003c\/strong\u003e and should be sourced separately.\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\u003elength\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":"70mm（b=Full Thread) \/ 1","offer_id":52309541519634,"sku":"GLFBLFFBRTQJD020541x1","price":35.06,"currency_code":"USD","in_stock":true},{"title":"80mm（b=Full Thread) \/ 1","offer_id":52309541552402,"sku":"GLFBLFFBRTQJD020542x1","price":38.77,"currency_code":"USD","in_stock":true},{"title":"90mm（b=Full Thread) \/ 1","offer_id":52309541585170,"sku":"GLFBLFFBRTQJD020543x1","price":42.47,"currency_code":"USD","in_stock":true},{"title":"100mm（b=80mm) \/ 1","offer_id":52309541617938,"sku":"GLFBLFFBRTQJD020544x1","price":46.28,"currency_code":"USD","in_stock":true},{"title":"110mm（b=80mm) \/ 1","offer_id":52309541650706,"sku":"GLFBLFFBRTQJD020545x1","price":49.88,"currency_code":"USD","in_stock":true},{"title":"120mm（b=80mm) \/ 1","offer_id":52309541683474,"sku":"GLFBLFFBRTQJD020546x1","price":53.38,"currency_code":"USD","in_stock":true},{"title":"130mm（b=80mm) \/ 1","offer_id":52309541716242,"sku":"GLFBLFFBRTQJD020547x1","price":56.92,"currency_code":"USD","in_stock":true},{"title":"140mm（b=80mm) \/ 1","offer_id":52309541749010,"sku":"GLFBLFFBRTQJD020548x1","price":60.48,"currency_code":"USD","in_stock":true},{"title":"150mm（b=80mm) \/ 1","offer_id":52309541781778,"sku":"GLFBLFFBRTQJD020549x1","price":64.11,"currency_code":"USD","in_stock":true},{"title":"160mm（b=80mm) \/ 1","offer_id":52309541814546,"sku":"GLFBLFFBRTQJD020550x1","price":67.8,"currency_code":"USD","in_stock":true},{"title":"170mm（b=80mm) \/ 1","offer_id":52309541847314,"sku":"GLFBLFFBRTQJD020551x1","price":71.5,"currency_code":"USD","in_stock":true},{"title":"180mm（b=80mm) \/ 1","offer_id":52309541880082,"sku":"GLFBLFFBRTQJD020552x1","price":83.3,"currency_code":"USD","in_stock":true},{"title":"190mm（b=80mm) \/ 1","offer_id":52309541912850,"sku":"GLFBLFFBRTQJD020553x1","price":87.45,"currency_code":"USD","in_stock":true},{"title":"200mm（b=80mm) \/ 1","offer_id":52309541945618,"sku":"GLFBLFFBRTQJD020554x1","price":91.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-02_ad59becf-8825-4432-b7f7-023d39dc7d6f.jpg?v=1780136206","url":"https:\/\/homediyer.com\/de\/products\/m20-eye-bolt-304-stainless-steel-threaded-ring-lifting-screw","provider":"HomeDIYer","version":"1.0","type":"link"}