{"product_id":"a2-304-stainless-steel-lifting-eye-bolt-metric-m3-m20","title":"A2 304 Stainless Steel Lifting Eye Bolt — Metric M3 to M20, Rigging \u0026 Lifting Screw Eye","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 and length?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Match the bolt diameter (M3, M4, M5, etc.) to your threaded hole or nut size. For length, choose a shank long enough to engage at least 1.5x the bolt diameter in thread depth. If unsure, measure your existing hardware or contact us to confirm.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What load capacity can these eye bolts handle?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Working load limits vary by size. M6 eye bolts typically handle around 100-150 kg in a straight vertical pull; M12 bolts can generally support 500-700 kg. Always apply a safety factor and never exceed the rated WLL.\"\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. A2 304 stainless steel resists rust, salt spray, and moisture, making these eye bolts well-suited for outdoor, coastal, and marine environments. For highly aggressive saltwater immersion, A4 316 stainless is 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 eye bolts use standard metric coarse threads (ISO 261 \/ DIN 580 compatible), fitting standard metric nuts, threaded inserts, and tapped holes of the same nominal diameter.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use these for overhead lifting?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These eye bolts are designed for lifting and rigging. For overhead lifting, ensure full thread engagement, use a straight vertical pull when possible, and apply an appropriate safety factor. Angled loads significantly reduce safe working load.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I decide between 1 pc or 2 pcs?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Select 2 pcs if you need a matched pair for rigging both ends of a cable or balancing a suspended load. For a single anchor point, 1 pc is sufficient. Larger sizes (M8 and above) are available in 1 pc increments.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will these eye bolts work with wire rope, chain, shackles, or carabiners?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. The open ring design is compatible with wire rope loops, chain links, shackles, and carabiners, provided the hardware fits through the eye opening. Contact us with your bolt size and hardware dimensions to confirm compatibility.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"hdiy-desc\"\u003e\n\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eStainless Steel Eye Bolt for Lifting, Rigging \u0026amp; Secure Anchoring — M3 to M20\u003c\/h2\u003e\n\u003cp\u003eWhether you're rigging a sailboat, hanging a heavy chandelier, or securing equipment in a workshop, a corroded or undersized eye bolt is a liability you can't afford. These A2 304 stainless steel lifting eye bolts are built for DIYers, riggers, and tradespeople who need a reliable metric anchor point that won't rust out after one season outdoors.\u003c\/p\u003e\n\u003cp\u003eEach order includes 1 or 2 pieces of a fully threaded metric eye bolt machined from A2 (304) stainless steel. Available in sizes from M3 x 9mm (approx. 3\/8\") up to M20 x 30mm (approx. 1-3\/16\"), with shank lengths ranging from 9mm (approx. 3\/8\") to 50mm (approx. 2\"). The ring eye is smooth and continuous for consistent load distribution. Select your diameter and length from the variant options above.\u003c\/p\u003e\n\u003cp\u003eTypical applications include overhead cable management and wire rope rigging, marine deck hardware and sailboat rigging, workshop hoists and load-securing anchor points, and furniture or fixture suspension — all scenarios where a 304 stainless steel lifting eye bolt with metric threads is the right call.\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 metric coarse thread (ISO 261 \/ DIN 580 style) — fits metric nuts, threaded inserts, and tapped holes of the same nominal diameter (M3–M20).\n\u003c\/div\u003e\n\n\u003ch2\u003e✅ Key Features of These Stainless Steel Lifting Eye 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\u003eA2 304 Stainless Steel Construction\u003c\/strong\u003e — Resists rust, salt spray, and moisture for reliable performance in outdoor, coastal, and marine rigging applications.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eWide Metric Size Range\u003c\/strong\u003e — Available from M3 x 9mm up to M20 x 30mm, covering the most common metric eye bolt sizes for both light-duty and heavy-duty lifting tasks.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⭕\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eSeamless Closed Ring Eye\u003c\/strong\u003e — The continuous ring design distributes load evenly and accepts wire rope, chain, shackles, and carabiners without stress concentration at a weld point.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eStandard Metric Coarse Thread\u003c\/strong\u003e — ISO 261-compatible threads engage cleanly with metric nuts and tapped holes, making installation straightforward with standard wrenches or sockets.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚖️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eMatched Shank Lengths\u003c\/strong\u003e — Shank lengths are paired to each diameter to provide adequate thread engagement depth, reducing the risk of pull-out under working loads.\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 — Order 1 or 2 pieces per SKU so you get exactly what your project needs — no forced bulk packs for smaller sizes, no hunting for matched pairs on larger ones.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e📐 Technical Specifications — Stainless Steel Eye Bolt\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\u003eA2 304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Standard\u003c\/th\u003e\n\u003ctd\u003eMetric Coarse (ISO 261 \/ DIN 580 compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003eM3x9mm · M4x10mm · M5x12mm · M6x12\/20\/30mm · M8x14\/20\/25\/30mm · M10x16\/25\/30\/40\/50mm · M12x20\/30\/40\/50mm · M14x24mm · M16x24mm · M18x27mm · M20x30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter Range\u003c\/th\u003e\n\u003ctd\u003eM3 (approx. 0.12 in) to M20 (approx. 0.79 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShank Length Range\u003c\/th\u003e\n\u003ctd\u003e9mm (approx. 3\/8 in) to 50mm (approx. 2 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRing \/ Eye Type\u003c\/th\u003e\n\u003ctd\u003eClosed continuous ring (no weld seam)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSurface Finish\u003c\/th\u003e\n\u003ctd\u003eSmooth machined stainless — no coating required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking Load Limit\u003c\/th\u003e\n\u003ctd\u003eSee variant options — varies by size and application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCorrosion Resistance\u003c\/th\u003e\n\u003ctd\u003eSuitable for outdoor, coastal, and light marine use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity per Order\u003c\/th\u003e\n\u003ctd\u003e1 pc or 2 pcs (select above)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Hardware\u003c\/th\u003e\n\u003ctd\u003eWire rope, chain, shackles, carabiners — contact us to confirm fit\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 Eye bolt inner ring diameter varies by size. If you're connecting specific shackles or carabiners, contact us to confirm the eye opening dimensions before ordering.\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 eye bolt size and length?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eMatch the bolt diameter (M3, M4, M5, etc.) to your threaded hole or nut size. For shank length, choose one long enough to engage at least 1.5x the bolt diameter in thread depth — for example, an M8 bolt should typically thread in at least 12mm (approx. 1\/2 in). As a quick reference: M6 x 12mm suits thin panels, while M10 x 30mm (approx. 1-3\/16 in) works for thicker structural members. If unsure, measure your existing hardware or contact us to confirm.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat load capacity can these eye bolts handle?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eWorking load limits vary by size and how the load is applied. As a general reference, M6 eye bolts typically handle around 100–150 kg (220–330 lbs) in a straight vertical pull, while M12 bolts can generally support 500–700 kg (1,100–1,540 lbs). Always apply an appropriate safety factor and never exceed the rated WLL. Angled loads reduce capacity significantly — consult a rigging professional for critical 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. A2 304 stainless steel offers strong resistance to rust, salt spray, and moisture, making these bolts well-suited for outdoor, coastal, and general marine environments. For highly aggressive saltwater immersion or chlorinated environments, A4 316 stainless is generally recommended. For most outdoor and light marine rigging applications, A2 304 performs reliably.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat thread standard do these use — are they compatible with standard metric hardware?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese eye bolts use standard metric coarse threads (ISO 261 \/ DIN 580 compatible), which are the most common pitch for metric fasteners. They thread directly into standard metric nuts, threaded inserts, and tapped holes of the same nominal diameter. They are not compatible with UNC\/UNF inch threads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eCan I use these for overhead lifting applications?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese eye bolts are designed for lifting and rigging use. For overhead lifting, ensure the bolt is fully threaded into a load-bearing surface with adequate thread engagement, use a straight vertical pull whenever possible, and apply a safety factor appropriate to your application. Angled loads — even at 45° — can reduce the safe working load by 30% or more. For critical overhead lifts, consult a qualified rigging engineer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I decide between ordering 1 pc or 2 pcs?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThe Qty(pcs) option lets you choose 1 or 2 pieces per order. Select 2 pcs if you need a matched pair — for example, to rig both ends of a cable, hang a swing, or balance a suspended load. For a single anchor point, 1 pc is sufficient. Larger sizes (M8 and above) are available in 1 pc increments, while smaller sizes are listed in 2 pc sets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWill these work with wire rope, chain, shackles, or carabiners?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes — the open ring design is compatible with wire rope loops, chain links, shackles, and carabiners, provided the connecting hardware fits through the eye opening. The inner diameter of the ring varies by bolt size. If you're connecting specific rigging hardware, contact us with your bolt size and hardware dimensions to confirm compatibility before ordering.\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 size 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":"M3 x 9mm \/ 2","offer_id":52309312700690,"sku":"GYZLLGY-YDJQJ-250800306x1","price":8.5,"currency_code":"USD","in_stock":true},{"title":"M4 x 10mm \/ 2","offer_id":52309312733458,"sku":"GYZLLGY-YDJQJ-250800307x1","price":8.69,"currency_code":"USD","in_stock":true},{"title":"M5 x 12mm \/ 2","offer_id":52309312766226,"sku":"GYZLLGY-YDJQJ-250800308x1","price":8.77,"currency_code":"USD","in_stock":true},{"title":"M6 x 12mm \/ 2","offer_id":52309312798994,"sku":"GYZLLGY-YDJQJ-250800309x1","price":9.18,"currency_code":"USD","in_stock":true},{"title":"M6 x 20mm \/ 2","offer_id":52309312831762,"sku":"GYZLLGY-YDJQJ-250800310x1","price":10.95,"currency_code":"USD","in_stock":true},{"title":"M6 x 30mm \/ 2","offer_id":52309312864530,"sku":"GYZLLGY-YDJQJ-250800311x1","price":12.17,"currency_code":"USD","in_stock":true},{"title":"M8 x 14mm \/ 2","offer_id":52309312897298,"sku":"GYZLLGY-YDJQJ-250800312x1","price":16.31,"currency_code":"USD","in_stock":true},{"title":"M8 x 20mm \/ 1","offer_id":52309312930066,"sku":"GYZLLGY-YDJQJ-250800313x1","price":10.73,"currency_code":"USD","in_stock":true},{"title":"M8 x 25mm \/ 1","offer_id":52309312962834,"sku":"GYZLLGY-YDJQJ-250800314x1","price":11.68,"currency_code":"USD","in_stock":true},{"title":"M8 x 30mm \/ 1","offer_id":52309312995602,"sku":"GYZLLGY-YDJQJ-250800315x1","price":12.5,"currency_code":"USD","in_stock":true},{"title":"M10 x 16mm \/ 1","offer_id":52309313028370,"sku":"GYZLLGY-YDJQJ-250800316x1","price":13.26,"currency_code":"USD","in_stock":true},{"title":"M10 x 25mm \/ 1","offer_id":52309313061138,"sku":"GYZLLGY-YDJQJ-250800317x1","price":14.4,"currency_code":"USD","in_stock":true},{"title":"M10 x 30mm \/ 1","offer_id":52309313093906,"sku":"GYZLLGY-YDJQJ-250800318x1","price":16.39,"currency_code":"USD","in_stock":true},{"title":"M10 x 40mm \/ 1","offer_id":52309313126674,"sku":"GYZLLGY-YDJQJ-250800319x1","price":17.67,"currency_code":"USD","in_stock":true},{"title":"M10 x 50mm \/ 1","offer_id":52309313159442,"sku":"GYZLLGY-YDJQJ-250800320x1","price":19.43,"currency_code":"USD","in_stock":true},{"title":"M12 x 20mm \/ 1","offer_id":52309313192210,"sku":"GYZLLGY-YDJQJ-250800321x1","price":20.66,"currency_code":"USD","in_stock":true},{"title":"M12 x 30mm \/ 1","offer_id":52309313224978,"sku":"GYZLLGY-YDJQJ-250800322x1","price":21.96,"currency_code":"USD","in_stock":true},{"title":"M12 x 40mm \/ 1","offer_id":52309313257746,"sku":"GYZLLGY-YDJQJ-250800323x1","price":24.33,"currency_code":"USD","in_stock":true},{"title":"M12 x 50mm \/ 1","offer_id":52309313290514,"sku":"GYZLLGY-YDJQJ-250800324x1","price":27.59,"currency_code":"USD","in_stock":true},{"title":"M14 x 24mm \/ 1","offer_id":52309313323282,"sku":"GYZLLGY-YDJQJ-250800325x1","price":23.6,"currency_code":"USD","in_stock":true},{"title":"M16 x 24mm \/ 1","offer_id":52309313356050,"sku":"GYZLLGY-YDJQJ-250800326x1","price":31.95,"currency_code":"USD","in_stock":true},{"title":"M18 x 27mm \/ 1","offer_id":52309313388818,"sku":"GYZLLGY-YDJQJ-250800327x1","price":47.26,"currency_code":"USD","in_stock":true},{"title":"M20 x 30mm \/ 1","offer_id":52309313421586,"sku":"GYZLLGY-YDJQJ-250800328x1","price":52.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-01_762b7651-23c2-4622-be50-4d201dc5a4ac.jpg?v=1780501627","url":"https:\/\/homediyer.com\/products\/a2-304-stainless-steel-lifting-eye-bolt-metric-m3-m20","provider":"HomeDIYer","version":"1.0","type":"link"}