{"product_id":"hex-flange-collar-bolt-m5x0-8-meteor-350-1100403b","title":"Hex Flange Collar Bolt M5x0.8 for Royal Enfield Meteor 350 (Fuel Tank Hardware) | 1100403\/B | Genuine OEM","description":"\u003cp data-start=\"240\" data-end=\"802\"\u003eThe \u003cstrong data-start=\"244\" data-end=\"305\"\u003eRoyal Enfield 1100403\/B Hex Flange Collar Bolt (M5 × 0.8)\u003c\/strong\u003e is a genuine OEM fastener used in Royal Enfield assemblies where an M5 bolt with an integrated flange\/collar is required for correct clamp load and vibration resistance. It’s most commonly referenced in \u003cstrong data-start=\"509\" data-end=\"577\"\u003eFuel Tank parts catalogues for the Meteor 350 (Euro 5 \/ UK spec)\u003c\/strong\u003e—ideal when you’re replacing missing\/rounded bolts, rebuilding the tank mounting hardware, or doing a clean “factory-correct” restoration instead of using generic hardware-store screws.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"804\" data-end=\"1222\"\u003eUnlike aftermarket bolts that may have the wrong head profile or collar seat, this OEM bolt matches the original fitment spec so panels\/brackets sit correctly and you avoid uneven stress on mounts. It is typically shown as a multi-quantity requirement in fuel tank exploded views (often \u003cstrong data-start=\"1091\" data-end=\"1100\"\u003eqty 8\u003c\/strong\u003e for that sub-assembly), so always count how many pieces you need before ordering.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1224\" data-end=\"1385\"\u003eIf your mechanic is working on the fuel tank, evap routing, or bracket alignment, using OEM hardware significantly reduces rework, rattles, and repeat loosening.\u003c\/p\u003e\n\u003ch2 data-start=\"1387\" data-end=\"1411\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1412\" data-end=\"2114\"\u003e\n\u003cli data-start=\"1412\" data-end=\"1499\"\u003e\n\u003cp data-start=\"1414\" data-end=\"1499\"\u003e\u003cstrong data-start=\"1414\" data-end=\"1439\"\u003eGenuine Royal Enfield\u003c\/strong\u003e part (OEM hardware)\u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1500\" data-end=\"1568\"\u003e\n\u003cp data-start=\"1502\" data-end=\"1568\"\u003ePart Number: \u003cstrong data-start=\"1515\" data-end=\"1528\"\u003e1100403\/B\u003c\/strong\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1569\" data-end=\"1661\"\u003e\n\u003cp data-start=\"1571\" data-end=\"1661\"\u003eDescription: \u003cstrong data-start=\"1584\" data-end=\"1621\"\u003eHEX FLANGE COLLAR BOLT (M5 × 0.8)\u003c\/strong\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1662\" data-end=\"1727\"\u003e\n\u003cp data-start=\"1664\" data-end=\"1727\"\u003eCorrect flange\/collar head profile for factory-style clamping\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1728\" data-end=\"1817\"\u003e\n\u003cp data-start=\"1730\" data-end=\"1817\"\u003eHelps prevent loosening compared to incorrect universal bolts (when torqued properly)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1818\" data-end=\"1925\"\u003e\n\u003cp data-start=\"1820\" data-end=\"1925\"\u003eCommonly referenced in \u003cstrong data-start=\"1843\" data-end=\"1876\"\u003eMeteor 350 fuel tank hardware\u003c\/strong\u003e listings \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1926\" data-end=\"2001\"\u003e\n\u003cp data-start=\"1928\" data-end=\"2001\"\u003eIdeal for replacements during tank removal, repaint, or bracket service\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2002\" data-end=\"2114\"\u003e\n\u003cp data-start=\"2004\" data-end=\"2114\"\u003eSold as \u003cstrong data-start=\"2012\" data-end=\"2027\"\u003esingle bolt\u003c\/strong\u003e (order required quantity as per your assembly) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"2116\" data-end=\"2157\"\u003eCompatibility Table\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2159\" data-end=\"2417\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2159\" data-end=\"2225\"\u003e\n\u003ctr data-start=\"2159\" data-end=\"2225\"\u003e\n\u003cth data-start=\"2159\" data-end=\"2167\" data-col-size=\"sm\"\u003eModel\u003c\/th\u003e\n\u003cth data-start=\"2167\" data-end=\"2181\" data-col-size=\"sm\"\u003eEngine Type\u003c\/th\u003e\n\u003cth data-start=\"2181\" data-end=\"2199\" data-col-size=\"sm\"\u003eBS \/ Euro Stage\u003c\/th\u003e\n\u003cth data-start=\"2199\" data-end=\"2207\" data-col-size=\"sm\"\u003eYears\u003c\/th\u003e\n\u003cth data-start=\"2207\" data-end=\"2225\" data-col-size=\"sm\"\u003eFitment Status\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2248\" data-end=\"2417\"\u003e\n\u003ctr data-start=\"2248\" data-end=\"2417\"\u003e\n\u003ctd data-start=\"2248\" data-end=\"2279\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2250\" data-end=\"2278\"\u003eRoyal Enfield Meteor 350\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2279\" data-end=\"2299\" data-col-size=\"sm\"\u003eJ-Series 349cc FI\u003c\/td\u003e\n\u003ctd data-start=\"2299\" data-end=\"2337\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2301\" data-end=\"2336\"\u003eEuro 5 \/ UK Euro V (catalogues)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2337\" data-end=\"2364\" data-col-size=\"sm\"\u003e2021–on (EU\/UK variants)\u003c\/td\u003e\n\u003ctd data-start=\"2364\" data-end=\"2417\" data-col-size=\"sm\"\u003e✅ Confirmed \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 data-start=\"2419\" data-end=\"2468\"\u003e❓Not confirmed (excluded to reduce returns)\u003c\/h3\u003e\n\u003cp data-start=\"2469\" data-end=\"2690\"\u003eClassic 350 Reborn \/ Hunter 350 \/ Bullet 350 and other models may share similar M5 hardware, but \u003cstrong data-start=\"2566\" data-end=\"2652\"\u003epart-to-model confirmation wasn’t available from open microfiche pages in this run\u003c\/strong\u003e, so they’re intentionally not listed.\u003c\/p\u003e\n\u003ch2 data-start=\"2692\" data-end=\"2705\"\u003eVariants\u003c\/h2\u003e\n\u003cul data-start=\"2706\" data-end=\"2857\"\u003e\n\u003cli data-start=\"2706\" data-end=\"2736\"\u003e\n\u003cp data-start=\"2708\" data-end=\"2736\"\u003e\u003cstrong data-start=\"2708\" data-end=\"2723\"\u003eSingle unit\u003c\/strong\u003e (one bolt)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2737\" data-end=\"2857\"\u003e\n\u003cp data-start=\"2739\" data-end=\"2857\"\u003eNo LH\/RH, no color variants specified for this part number in dealer listings. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"2859\" data-end=\"2874\"\u003eFAQs \u003c\/h2\u003e\n\u003cp data-start=\"2875\" data-end=\"3023\"\u003e\u003cstrong data-start=\"2875\" data-end=\"2908\"\u003e1) What exactly is 1100403\/B?\u003c\/strong\u003e\u003cbr data-start=\"2908\" data-end=\"2911\"\u003eIt’s an OEM \u003cstrong data-start=\"2923\" data-end=\"2960\"\u003eHex Flange Collar Bolt (M5 × 0.8)\u003c\/strong\u003e used by Royal Enfield. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3025\" data-end=\"3278\"\u003e\u003cstrong data-start=\"3025\" data-end=\"3070\"\u003e2) Is this sold as a set or single piece?\u003c\/strong\u003e\u003cbr data-start=\"3070\" data-end=\"3073\"\u003eThis listing is for \u003cstrong data-start=\"3093\" data-end=\"3103\"\u003e1 bolt\u003c\/strong\u003e. Many assemblies require multiple bolts; fuel tank fiches often show \u003cstrong data-start=\"3173\" data-end=\"3207\"\u003emultiple quantity (commonly 8)\u003c\/strong\u003e—count yours before ordering. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3280\" data-end=\"3428\"\u003e\u003cstrong data-start=\"3280\" data-end=\"3318\"\u003e3) Where is it used on Meteor 350?\u003c\/strong\u003e\u003cbr data-start=\"3318\" data-end=\"3321\"\u003eIt appears in \u003cstrong data-start=\"3335\" data-end=\"3385\"\u003eMeteor 350 fuel tank parts\/hardware catalogues\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3430\" data-end=\"3612\"\u003e\u003cstrong data-start=\"3430\" data-end=\"3472\"\u003e4) Can I use a normal M5 bolt instead?\u003c\/strong\u003e\u003cbr data-start=\"3472\" data-end=\"3475\"\u003eA generic M5 may fit the threads, but flange\/collar profile and seating can differ—OEM is recommended for correct clamping and alignment.\u003c\/p\u003e\n\u003cp data-start=\"3614\" data-end=\"3761\"\u003e\u003cstrong data-start=\"3614\" data-end=\"3660\"\u003e5) How do I avoid ordering the wrong bolt?\u003c\/strong\u003e\u003cbr data-start=\"3660\" data-end=\"3663\"\u003eMatch by \u003cstrong data-start=\"3672\" data-end=\"3697\"\u003epart number 1100403\/B\u003c\/strong\u003e or compare your removed bolt head style + thread spec (M5×0.8).\u003c\/p\u003e","brand":"UNDER THE HOOD","offers":[{"title":"Default Title","offer_id":50859887722791,"sku":null,"price":18.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/7447\/0183\/files\/ChatGPTImageDec2_2025_10_12_01PM_59fbe014-b33c-4bc0-a8ea-09e4b2b361e4.png?v=1776516980","url":"https:\/\/underthehood.co.in\/products\/hex-flange-collar-bolt-m5x0-8-meteor-350-1100403b","provider":"UNDER THE HOOD","version":"1.0","type":"link"}