{"product_id":"a2-70-stainless-steel-dome-nuts-domed-acorn-hex-nuts-m3-to-m12-din1587","title":"A2-70 Stainless Steel Dome Nuts – Domed Acorn Hex Nuts M3 to M12 | DIN1587","description":"\u003cbody\u003e\n\n\n \u003cmeta charset=\"UTF-8\"\u003e\n \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=yes\"\u003e\n \u003ctitle\u003eA2 Stainless Dome Nuts M3-M12 | HomeDIYer\u003c\/title\u003e\n \u003cstyle\u003e\n \/* ========================\n Prefix: hd-dome- (prevents theme conflicts)\n Encapsulated styles for Shopify product description\n ======================== *\/\n .hd-dome-wrapper {\n width: 100%;\n margin: 0;\n padding: 0;\n box-sizing: border-box;\n font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n color: #1a1a1a;\n line-height: 1.5;\n background: transparent;\n }\n .hd-dome-wrapper *,\n .hd-dome-wrapper *::before,\n .hd-dome-wrapper *::after {\n box-sizing: inherit;\n }\n .hd-dome-container {\n max-width: 1400px;\n margin: 0 auto;\n padding: 1.5rem 1rem;\n background: #ffffff;\n }\n .hd-dome-title {\n font-size: 1.9rem;\n font-weight: 600;\n margin: 0 0 0.5rem 0;\n letter-spacing: -0.01em;\n line-height: 1.2;\n color: #0a0a0a;\n }\n .hd-dome-brand {\n font-size: 1rem;\n color: #2c7da0;\n margin-bottom: 1rem;\n font-weight: 500;\n display: inline-block;\n background: #eef4fc;\n padding: 0.2rem 0.8rem;\n border-radius: 30px;\n }\n .hd-dome-section-title {\n font-size: 1.6rem;\n font-weight: 600;\n margin: 1.8rem 0 1rem 0;\n padding-bottom: 0.5rem;\n border-bottom: 3px solid #2c7da0;\n display: inline-block;\n color: #0b3b4f;\n }\n .hd-dome-description {\n font-size: 1rem;\n margin: 1rem 0 1.2rem;\n color: #2c2c2c;\n }\n .hd-dome-features-list {\n list-style: none;\n padding: 0;\n margin: 1.2rem 0 1.8rem;\n }\n .hd-dome-features-list li {\n padding: 0.75rem 0 0.75rem 1.8rem;\n position: relative;\n font-size: 1rem;\n border-bottom: 1px solid #f0f0f0;\n }\n .hd-dome-features-list li:last-child {\n border-bottom: none;\n }\n .hd-dome-features-list li::before {\n content: \"✅\";\n position: absolute;\n left: 0;\n top: 0.75rem;\n font-size: 1rem;\n }\n .hd-dome-table-wrapper {\n overflow-x: auto;\n margin: 1.5rem 0 1rem;\n border-radius: 16px;\n border: 1px solid #e2e8f0;\n background: #ffffff;\n }\n .hd-dome-specs-table {\n width: 100%;\n border-collapse: collapse;\n font-size: 0.9rem;\n min-width: 350px;\n }\n .hd-dome-specs-table th,\n .hd-dome-specs-table td {\n padding: 0.9rem 0.8rem;\n text-align: left;\n border-bottom: 1px solid #e9ecef;\n }\n .hd-dome-specs-table th {\n background-color: #f1f9fe;\n font-weight: 700;\n color: #0b3b4f;\n font-size: 0.9rem;\n }\n .hd-dome-specs-table tr:last-child td {\n border-bottom: none;\n }\n .hd-dome-note {\n background: #f8fafc;\n padding: 0.8rem 1rem;\n border-radius: 12px;\n font-size: 0.85rem;\n color: #2c5a74;\n margin: 0.8rem 0 1rem;\n border-left: 4px solid #2c7da0;\n }\n .hd-dome-faq-item {\n margin-bottom: 1.5rem;\n border-bottom: 1px solid #e9ecef;\n padding-bottom: 1.2rem;\n }\n .hd-dome-faq-question {\n font-weight: 700;\n font-size: 1.05rem;\n margin: 0 0 0.5rem 0;\n color: #0f4c5f;\n display: flex;\n align-items: center;\n gap: 8px;\n }\n .hd-dome-faq-question::before {\n content: \"🔩\";\n font-size: 1.1rem;\n }\n .hd-dome-faq-answer {\n font-size: 0.95rem;\n color: #2d3e50;\n line-height: 1.5;\n margin-left: 1.2rem;\n }\n @media (max-width: 768px) {\n .hd-dome-container {\n padding: 1rem 0.9rem;\n }\n .hd-dome-title {\n font-size: 1.6rem;\n }\n .hd-dome-section-title {\n font-size: 1.4rem;\n }\n .hd-dome-specs-table th,\n .hd-dome-specs-table td {\n padding: 0.7rem 0.5rem;\n font-size: 0.8rem;\n }\n }\n .hd-dome-divider {\n height: 1px;\n background: #e9ecef;\n margin: 1.5rem 0;\n }\n .hd-dome-text-small {\n font-size: 0.85rem;\n color: #5a6874;\n }\n \u003c\/style\u003e\n\n\n\u003cdiv class=\"hd-dome-wrapper\"\u003e\n \u003cdiv class=\"hd-dome-container\"\u003e\n \n \u003c!-- Product title (customer-facing) --\u003e\n \u003ch1 class=\"hd-dome-title\"\u003e🔩 A2-70 Stainless Steel Dome Nuts – Domed Acorn Hex Nuts M3 to M12 | DIN1587\u003c\/h1\u003e\n \u003cdiv class=\"hd-dome-brand\"\u003e🏷️ Brand: HomeDIYer Fastener | DIN1587 | A2-70 | Corrosion-Resistant | Metric Coarse\u003c\/div\u003e\n \n \u003c!-- Product Overview: natural, solution-oriented --\u003e\n \u003cdiv class=\"hd-dome-description\"\u003e\n \u003cstrong\u003e📌 Overview — Add a finished, decorative touch while protecting exposed threads.\u003c\/strong\u003e When you need to cover the end of a bolt for safety or aesthetics, our \u003cstrong\u003eA2-70 Stainless Steel Dome Nuts (Acorn Nuts)\u003c\/strong\u003e are the perfect solution. The smooth, rounded dome covers protruding threads, preventing snags, injuries, and corrosion on the exposed bolt end. Ideal for furniture, railings, marine hardware, automotive trim, and any visible fastening application. Made from A2-70 stainless steel, these nuts resist rust and staining even in outdoor and coastal environments. Available in metric coarse threads from M3 to M12. Choose your exact quantity – no mixed packs unless requested. Perfect for builders, fabricators, and DIYers who value both function and finish.\n \u003c\/div\u003e\n \n \u003c!-- Features: vertical list for SEO \u0026 readability --\u003e\n \u003ch2 class=\"hd-dome-section-title\"\u003e✨ Key Features – A2 Stainless Steel Dome \/ Acorn Nuts\u003c\/h2\u003e\n \u003cul class=\"hd-dome-features-list\"\u003e\n \u003cli\u003e\n\u003cstrong\u003eSmooth Domed Top\u003c\/strong\u003e – Covers exposed bolt threads for a clean, finished appearance and improved safety (no sharp edges).\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eProtects Threads from Damage\u003c\/strong\u003e – Shields bolt ends from corrosion, dirt, and mechanical damage – extends fastener life.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eA2-70 Stainless Steel (304 equivalent)\u003c\/strong\u003e – Excellent corrosion resistance for outdoor, marine, and industrial environments. No red rust.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDIN1587 Standard\u003c\/strong\u003e – Precision hexagon dome nuts with consistent dimensions and reliable fit.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMetric Coarse Threads M3–M12\u003c\/strong\u003e – Standard ISO metric pitches: M3x0.5, M4x0.7, M5x0.8, M6x1.0, M8x1.25, M10x1.5, M12x1.75.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUntreated Natural Stainless Finish\u003c\/strong\u003e – Clean, smooth surface with a bright, professional appearance – no coatings to chip.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eOrder Exact Quantity\u003c\/strong\u003e – “As per Your Choice” – buy only what you need. No forced mixed packs.\u003c\/li\u003e\n \u003c\/ul\u003e\n \n \u003c!-- Specifications Table: detailed dimensions --\u003e\n \u003ch2 class=\"hd-dome-section-title\"\u003e📏 Technical Specifications – Dome \/ Acorn Nuts (DIN1587, Metric Coarse)\u003c\/h2\u003e\n \u003cdiv class=\"hd-dome-table-wrapper\"\u003e\n \u003ctable class=\"hd-dome-specs-table\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eThread Size\u003c\/th\u003e\n \u003cth\u003eThread Pitch (mm)\u003c\/th\u003e\n \u003cth\u003eSpanner \/ Wrench Size (mm)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003ctd style=\"font-weight:500;\"\u003eM3\u003c\/td\u003e\n\u003ctd\u003e0.5\u003c\/td\u003e\n\u003ctd\u003e5.5\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd style=\"font-weight:500;\"\u003eM4\u003c\/td\u003e\n\u003ctd\u003e0.7\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd style=\"font-weight:500;\"\u003eM5\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd style=\"font-weight:500;\"\u003eM6\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd style=\"font-weight:500;\"\u003eM8\u003c\/td\u003e\n\u003ctd\u003e1.25\u003c\/td\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd style=\"font-weight:500;\"\u003eM10\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003ctd\u003e17\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd style=\"font-weight:500;\"\u003eM12\u003c\/td\u003e\n\u003ctd\u003e1.75\u003c\/td\u003e\n\u003ctd\u003e19\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hd-dome-note\"\u003e\n 💡 \u003cstrong\u003eOrdering info:\u003c\/strong\u003e “As per Your Choice” – select the exact thread size and quantity you need. No mixed packs unless requested. These nuts are compatible with standard metric coarse bolts (e.g., ISO metric 6g threads). Contact us for bulk or custom assortments.\n \u003c\/div\u003e\n \n \u003c!-- Additional note on aesthetic \u0026 safety --\u003e\n \u003cdiv class=\"hd-dome-note\" style=\"background: #fef9e6; border-left-color: #e6a017;\"\u003e\n 🔧 \u003cstrong\u003eWhy dome nuts?\u003c\/strong\u003e Beyond their decorative appearance, dome nuts protect exposed bolt ends from corrosion, prevent clothing or skin from snagging on threads, and give a professional, finished look to any project. Essential for railings, handles, and exposed fasteners.\n \u003c\/div\u003e\n \n \u003c!-- FAQ section (expanded, no accordion) --\u003e\n \u003ch2 class=\"hd-dome-section-title\"\u003e❓ Frequently Asked Questions – Dome \/ Acorn Nuts\u003c\/h2\u003e\n \n \u003cdiv class=\"hd-dome-faq-item\"\u003e\n \u003cdiv class=\"hd-dome-faq-question\"\u003eWhat is the purpose of a dome nut versus a standard hex nut?\u003c\/div\u003e\n \u003cdiv class=\"hd-dome-faq-answer\"\u003e🔧 A dome nut (acorn nut) has a closed, rounded top that covers the end of the bolt. This protects the threads from damage, prevents snagging on clothing or skin, and provides a clean, decorative finish. Standard hex nuts leave the bolt end exposed.\u003c\/div\u003e\n \u003c\/div\u003e\n \n \u003cdiv class=\"hd-dome-faq-item\"\u003e\n \u003cdiv class=\"hd-dome-faq-question\"\u003eAre these nuts compatible with any metric bolt?\u003c\/div\u003e\n \u003cdiv class=\"hd-dome-faq-answer\"\u003e📏 Yes, they use standard metric coarse threads (M3x0.5, M4x0.7, M5x0.8, M6x1.0, M8x1.25, M10x1.5, M12x1.75). They fit any bolt or threaded rod with the same thread pitch. Do not use with fine-thread bolts – match the pitch.\u003c\/div\u003e\n \u003c\/div\u003e\n \n \u003cdiv class=\"hd-dome-faq-item\"\u003e\n \u003cdiv class=\"hd-dome-faq-question\"\u003eWill these nuts rust? Are they suitable for outdoor use?\u003c\/div\u003e\n \u003cdiv class=\"hd-dome-faq-answer\"\u003e🌊 No – A2-70 stainless steel (304 grade) provides excellent corrosion resistance for outdoor, marine (freshwater and coastal), and humid environments. They will not rust like carbon steel. For continuous saltwater immersion, consider A4 (316) stainless, but A2 is perfect for most exterior applications.\u003c\/div\u003e\n \u003c\/div\u003e\n \n \u003cdiv class=\"hd-dome-faq-item\"\u003e\n \u003cdiv class=\"hd-dome-faq-question\"\u003eWhat wrench size do I need for each nut?\u003c\/div\u003e\n \u003cdiv class=\"hd-dome-faq-answer\"\u003e🔧 M3 → 5.5mm, M4 → 7mm, M5 → 8mm, M6 → 10mm, M8 → 13mm, M10 → 17mm, M12 → 19mm. Use standard metric combination wrenches, sockets, or ratchets.\u003c\/div\u003e\n \u003c\/div\u003e\n \n \u003cdiv class=\"hd-dome-faq-item\"\u003e\n \u003cdiv class=\"hd-dome-faq-question\"\u003eCan I use these dome nuts with stainless steel bolts to prevent galvanic corrosion?\u003c\/div\u003e\n \u003cdiv class=\"hd-dome-faq-answer\"\u003e⚡ Yes. Using A2 stainless dome nuts with A2 stainless bolts (or other compatible metals) avoids galvanic corrosion. They are ideal for matching fastener systems. Avoid pairing with plain steel or aluminum directly unless insulated.\u003c\/div\u003e\n \u003c\/div\u003e\n \n \u003cdiv class=\"hd-dome-divider\"\u003e\u003c\/div\u003e\n \u003cdiv class=\"hd-dome-text-small\" style=\"text-align: center; margin-top: 1rem;\"\u003e\n ⚙️ \u003cstrong\u003eHomeDIYer Fastener\u003c\/strong\u003e — Quality stainless steel dome nuts for a finished, professional look. Order your exact size and quantity today.\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/body\u003e","brand":"HomeDIYer","offers":[{"title":"M3 \/ 100","offer_id":52196983406866,"sku":"KAYFST027-1","price":9.0,"currency_code":"USD","in_stock":true},{"title":"M4 \/ 100","offer_id":52196983439634,"sku":"KAYFST027-2","price":9.24,"currency_code":"USD","in_stock":true},{"title":"M5 \/ 50","offer_id":52196983472402,"sku":"KAYFST027-3","price":7.89,"currency_code":"USD","in_stock":true},{"title":"M6 \/ 50","offer_id":52196983505170,"sku":"KAYFST027-4","price":9.69,"currency_code":"USD","in_stock":true},{"title":"M8 \/ 50","offer_id":52196983537938,"sku":"KAYFST027-5","price":14.55,"currency_code":"USD","in_stock":true},{"title":"M10 \/ 30","offer_id":52196983570706,"sku":"KAYFST027-6","price":16.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/27_5385f0b0-af2c-477f-9532-81e95879ddfd.jpg?v=1776765627","url":"https:\/\/homediyer.com\/products\/a2-70-stainless-steel-dome-nuts-domed-acorn-hex-nuts-m3-to-m12-din1587","provider":"HomeDIYer","version":"1.0","type":"link"}