{"product_id":"stainless-steel-a4-expansion-bolts-threaded-stud-rod-m6-m12-extra-long","title":"Stainless Steel A4 Expansion Bolts Threaded Stud Rod M6–M12 Extra Long","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 expansion bolt?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"As a general rule, the bolt length should be at least 2–3 times the diameter of the bolt plus the thickness of the material being fastened. For example, an M8 bolt fastening a 20mm bracket into concrete would typically need at least 80–100mm (≈3.1–3.9\\u2033) of embedment. When in doubt, choose the longer option for a more secure hold.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What load can these expansion bolts handle?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Load capacity depends on the bolt diameter, embedment depth, and base material. In general, M6 bolts are suited for lighter fixtures, while M10–M12 bolts can handle heavier structural loads. Always consult a structural engineer for safety-critical applications.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these bolts suitable for outdoor or marine use?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. These bolts are made from A4 (316) stainless steel, which offers excellent resistance to corrosion, salt spray, and moisture. They are generally suitable for outdoor, coastal, and marine environments.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What thread standard do these bolts use?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These bolts use standard metric coarse threads (ISO 261), compatible with standard metric nuts and fittings. M6, M8, M10, and M12 are all widely used in construction, plumbing, and mechanical applications.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What base materials can I use these expansion bolts in?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These threaded stud expansion bolts are typically used in solid concrete, brick, block, and masonry. They are not recommended for hollow walls or soft materials without appropriate anchoring sleeves.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does \\u20181 Set\\u2019 include?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Each set typically includes the threaded stud rod with the expansion anchor body. Please confirm the exact contents with the product listing or contact us if you need multi-piece kits.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use these bolts for pipe hangers or conduit supports?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. The extra-long threaded stud design makes these bolts well-suited for pipe hangers, conduit supports, HVAC brackets, and other wall-mount applications where extended reach is needed.\"\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\u003eStainless Steel Expansion Bolts with Threaded Stud Rod — Secure Any Wall Mount with Confidence\u003c\/h2\u003e\n    \u003cp\u003eWhether you're anchoring pipe hangers in a utility room, mounting heavy brackets on a concrete wall, or securing conduit supports in a coastal environment, finding a fastener that won't loosen, rust, or fail under load is a real challenge. These stainless steel expansion bolts with threaded stud rod are built for exactly those demanding situations — giving contractors, plumbers, and serious DIYers a reliable anchor they can count on.\u003c\/p\u003e\n    \u003cp\u003eEach set includes one expansion bolt with an integrated threaded stud bar rod, manufactured from A4 (316) stainless steel for outstanding corrosion resistance. Available in thread diameters from M6 to M12 and lengths from 100mm (≈3.9\") to 150mm (≈5.9\"), these extra-long wall anchors cover a wide range of fastening depths. The fully threaded stud extends beyond the anchor body, allowing nuts, washers, and fittings to be secured at the desired standoff distance.\u003c\/p\u003e\n    \u003cp\u003eTypical applications include concrete wall anchoring for pipe hangers and conduit supports, masonry mounting for HVAC brackets and electrical enclosures, and outdoor structural fastening where a standard stainless expansion bolt would corrode. The extra-long threaded stud rod design is especially useful when you need to pass through insulation, cladding, or thick mounting plates before reaching the anchor point.\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 Standard metric nuts \u0026amp; washers (ISO 261) · Concrete, brick \u0026amp; solid masonry · Pipe hangers, conduit clamps, HVAC brackets, and structural wall mounts\n  \u003c\/div\u003e\n\n  \u003c!-- ③ KEY FEATURES --\u003e\n  \u003ch2\u003e✅ Key Features of These Stainless Steel Expansion 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\u003eA4 (316) Stainless Steel Construction\u003c\/strong\u003e — Resists rust, salt spray, and moisture, making these anchors suitable for outdoor, coastal, and humid indoor environments where carbon steel fasteners would corrode prematurely.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eExtra-Long Threaded Stud Rod Design\u003c\/strong\u003e — The extended threaded bar allows you to fasten through thick materials — insulation boards, cladding panels, or mounting plates — before the nut and washer seat flush against the surface.\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: M6 to M12\u003c\/strong\u003e — Choose from four thread diameters and six lengths (100–150mm \/ ≈3.9–5.9\") to match your specific load requirements and embedment depth in concrete or masonry.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e🏗️\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eExpansion Anchor Mechanism\u003c\/strong\u003e — The wedge-style expansion body locks into the drilled hole as the bolt is tightened, creating a secure mechanical grip in solid concrete, brick, and block without adhesive.\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 Thread (ISO 261)\u003c\/strong\u003e — Fully compatible with standard metric nuts, washers, and fittings, so you can pair these anchors with off-the-shelf hardware without special adapters.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e🚿\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eIdeal for Plumbing \u0026amp; Conduit Wall Mounts\u003c\/strong\u003e — The threaded stud bar rod configuration is a go-to choice for pipe hanger installation, conduit support brackets, and any application requiring a projecting anchor point from a concrete or masonry wall.\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 Threaded Stud Expansion Bolts\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\u003eA4 Stainless Steel (equivalent to 316 SS)\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\u003eAvailable Thread Diameters\u003c\/th\u003e\n\u003ctd\u003eM6, M8, M10, M12\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Lengths\u003c\/th\u003e\n\u003ctd\u003e100mm (≈3.9\"), 110mm (≈4.3\"), 120mm (≈4.7\"), 130mm (≈5.1\"), 140mm (≈5.5\"), 150mm (≈5.9\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAnchor Type\u003c\/th\u003e\n\u003ctd\u003eWedge-style mechanical expansion anchor with threaded stud rod\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eBase Material Compatibility\u003c\/th\u003e\n\u003ctd\u003eSolid concrete, brick, block, and masonry\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCorrosion Resistance\u003c\/th\u003e\n\u003ctd\u003eSuitable for outdoor, coastal, and marine environments\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e1 Set per order (select quantity at checkout)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eDrill Hole Diameter Required\u003c\/th\u003e\n\u003ctd\u003eSee variant options \/ Contact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTensile \u0026amp; Shear Strength\u003c\/th\u003e\n\u003ctd\u003eSee variant options — varies by diameter and embedment depth\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eNatural stainless steel (no coating)\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\u003eHeads up:\u003c\/strong\u003e Drill hole diameter and exact load ratings vary by size. Please check the variant detail or contact us before ordering for safety-critical installations.\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 length for my expansion bolt?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eAs a general rule, the bolt length should provide at least 2–3× the bolt diameter of embedment into the base material, plus enough threaded stud to pass through your fixture and accept a nut and washer. For example, an M8 bolt (8mm \/ ≈5\/16\") fastening a 20mm bracket into concrete would typically need at least 80–100mm (≈3.1–3.9\") of embedment. When in doubt, choose the longer option — 130mm (≈5.1\") or 150mm (≈5.9\") — for a more secure hold.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat load can these expansion bolts handle?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eLoad capacity depends on the bolt diameter, embedment depth, concrete strength, and edge distance. In general, M6 bolts are suited for lighter fixtures and cable management, M8–M10 for medium-duty brackets and pipe hangers, and M12 for heavier structural loads. For safety-critical applications, always consult a structural engineer and refer to the manufacturer's load tables.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these bolts suitable for outdoor or marine environments?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes. A4 (316) stainless steel is generally considered the go-to grade for outdoor, coastal, and marine fastening applications. It offers significantly better resistance to chloride-induced corrosion compared to A2 (304) stainless steel, making it a reliable choice for exterior wall mounts, dock hardware, and poolside installations.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat thread standard do these bolts use, and are they compatible with standard nuts?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese bolts use standard metric coarse threads per ISO 261, which is the most widely used metric thread standard in construction and mechanical applications. They are compatible with standard metric hex nuts, flange nuts, and washers in the corresponding size (M6, M8, M10, or M12) — no special adapters needed.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat base materials can I install these expansion bolts into?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese threaded stud expansion bolts are designed for solid base materials — primarily solid concrete, brick, concrete block, and natural stone masonry. They are not recommended for hollow walls, drywall, or soft materials without appropriate anchoring sleeves. For best results, ensure the base material is free of cracks and the drill hole is clean and dry before installation.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat does '1 Set' include?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eEach set typically includes the expansion anchor body with the integrated threaded stud rod. If you need a nut and washer included, or require multi-piece kits, please contact us to confirm the exact contents before ordering.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I use these for pipe hangers, conduit supports, or HVAC brackets?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eAbsolutely. The extra-long threaded stud rod design is specifically well-suited for pipe hanger installation, conduit support brackets, HVAC equipment mounts, and any application where you need a projecting anchor point from a concrete or masonry wall. The stud extends beyond the wall surface, allowing you to attach clamps, brackets, or fittings at the desired standoff distance.\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 thread size and length above, then add to cart — ships from our US warehouse.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"M6 x 100mm \/ 1 Set \/ Stainless Steel A4","offer_id":52308993671442,"sku":"WWLFBRMSD503x1","price":5.29,"currency_code":"USD","in_stock":true},{"title":"M6 x 110mm \/ 1 Set \/ Stainless Steel A4","offer_id":52308993704210,"sku":"WWLFBRMSD504x1","price":5.43,"currency_code":"USD","in_stock":true},{"title":"M6 x 120mm \/ 1 Set \/ Stainless Steel A4","offer_id":52308993736978,"sku":"WWLFBRMSD505x1","price":5.64,"currency_code":"USD","in_stock":true},{"title":"M6 x 130mm \/ 1 Set \/ Stainless Steel A4","offer_id":52308993769746,"sku":"WWLFBRMSD506x1","price":5.78,"currency_code":"USD","in_stock":true},{"title":"M6 x 140mm \/ 1 Set \/ Stainless Steel A4","offer_id":52308993802514,"sku":"WWLFBRMSD507x1","price":5.92,"currency_code":"USD","in_stock":true},{"title":"M6 x 150mm \/ 1 Set \/ Stainless Steel A4","offer_id":52308993835282,"sku":"WWLFBRMSD508x1","price":6.11,"currency_code":"USD","in_stock":true},{"title":"M8 x 100mm \/ 1 Set \/ Stainless Steel A4","offer_id":52308993868050,"sku":"WWLFBRMSD509x1","price":6.6,"currency_code":"USD","in_stock":true},{"title":"M8 x 110mm \/ 1 Set \/ Stainless Steel A4","offer_id":52308993900818,"sku":"WWLFBRMSD510x1","price":6.79,"currency_code":"USD","in_stock":true},{"title":"M8 x 120mm \/ 1 Set \/ Stainless Steel A4","offer_id":52308993933586,"sku":"WWLFBRMSD511x1","price":7.06,"currency_code":"USD","in_stock":true},{"title":"M8 x 130mm \/ 1 Set \/ Stainless Steel A4","offer_id":52308993966354,"sku":"WWLFBRMSD512x1","price":7.33,"currency_code":"USD","in_stock":true},{"title":"M8 x 140mm \/ 1 Set \/ Stainless Steel A4","offer_id":52308993999122,"sku":"WWLFBRMSD513x1","price":7.6,"currency_code":"USD","in_stock":true},{"title":"M8 x 150mm \/ 1 Set \/ Stainless Steel A4","offer_id":52308994031890,"sku":"WWLFBRMSD514x1","price":7.82,"currency_code":"USD","in_stock":true},{"title":"M10 x 100mm \/ 1 Set \/ Stainless Steel A4","offer_id":52308994064658,"sku":"WWLFBRMSD515x1","price":8.69,"currency_code":"USD","in_stock":true},{"title":"M10 x 110mm \/ 1 Set \/ Stainless Steel A4","offer_id":52308994097426,"sku":"WWLFBRMSD516x1","price":9.1,"currency_code":"USD","in_stock":true},{"title":"M10 x 120mm \/ 1 Set \/ Stainless Steel A4","offer_id":52308994130194,"sku":"WWLFBRMSD517x1","price":9.45,"currency_code":"USD","in_stock":true},{"title":"M10 x 130mm \/ 1 Set \/ Stainless Steel A4","offer_id":52308994162962,"sku":"WWLFBRMSD518x1","price":9.78,"currency_code":"USD","in_stock":true},{"title":"M10 x 140mm \/ 1 Set \/ Stainless Steel A4","offer_id":52308994195730,"sku":"WWLFBRMSD519x1","price":10.19,"currency_code":"USD","in_stock":true},{"title":"M10 x 150mm \/ 1 Set \/ Stainless Steel A4","offer_id":52308994228498,"sku":"WWLFBRMSD520x1","price":10.54,"currency_code":"USD","in_stock":true},{"title":"M12 x 100mm \/ 1 Set \/ Stainless Steel A4","offer_id":52308994261266,"sku":"WWLFBRMSD521x1","price":12.63,"currency_code":"USD","in_stock":true},{"title":"M12 x 110mm \/ 1 Set \/ Stainless Steel A4","offer_id":52308994294034,"sku":"WWLFBRMSD522x1","price":13.26,"currency_code":"USD","in_stock":true},{"title":"M12 x 120mm \/ 1 Set \/ Stainless Steel A4","offer_id":52308994326802,"sku":"WWLFBRMSD523x1","price":13.72,"currency_code":"USD","in_stock":true},{"title":"M12 x 130mm \/ 1 Set \/ Stainless Steel A4","offer_id":52308994359570,"sku":"WWLFBRMSD524x1","price":14.27,"currency_code":"USD","in_stock":true},{"title":"M12 x 140mm \/ 1 Set \/ Stainless Steel A4","offer_id":52308994392338,"sku":"WWLFBRMSD525x1","price":14.76,"currency_code":"USD","in_stock":true},{"title":"M12 x 150mm \/ 1 Set \/ Stainless Steel A4","offer_id":52308994425106,"sku":"WWLFBRMSD526x1","price":15.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture7of32_6a2d9489-de67-4265-8c71-3df9ab8c9f76.jpg?v=1780501809","url":"https:\/\/homediyer.com\/de\/products\/stainless-steel-a4-expansion-bolts-threaded-stud-rod-m6-m12-extra-long","provider":"HomeDIYer","version":"1.0","type":"link"}