{"product_id":"loctite-red-271-heavy-duty-threadlocker-36-ml-bottle-high-strength-for-large-bolts","title":"Loctite Red 271 Heavy-Duty Threadlocker 36 ml Bottle — High-Strength for Large Bolts","description":"\u003cp\u003e\u003cstrong\u003eLoctite 37479 271 Red is a professional-grade, high-strength anaerobic threadlocker formulated to permanently secure large bolts and studs under heavy shock, vibration, and chemical exposure.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for demanding automotive and industrial fastenings, this 36 ml bottle of Loctite Red 271 sets quickly and creates a durable bond on steel, stainless steel, aluminum, and plated parts. It tolerates residual oil better than many anaerobic adhesives, cures between metal surfaces to prevent loosening, and withstands high loads and harsh environments. Disassembly is possible with targeted heat and hand tools when service is required.\u003c\/p\u003e\n\n\u003ch3\u003eHow quickly does Loctite Red 271 secure a joint?\u003c\/h3\u003e\n\u003cp\u003eLoctite 271 begins to fixture within about ten minutes at room temperature, allowing parts to remain aligned while the adhesive progresses toward full strength. The bond achieves maximum cure in roughly 24 hours when confined between mating metal surfaces under typical shop conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInitial set: ~10 minutes for handling\u003c\/li\u003e\n  \u003cli\u003eFull strength: ~24 hours\u003c\/li\u003e\n  \u003cli\u003eCuring requires metal-to-metal contact and limited air exposure\u003c\/li\u003e\n  \u003cli\u003eWorks faster on clean, closely fitted threads\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich fasteners and applications are best for this product?\u003c\/h3\u003e\n\u003cp\u003eThis formula is intended for large-diameter fasteners where a permanent high-strength bond is desired. It’s commonly used on frame brackets, suspension components, shock mounts, wheel studs, and other critical connections that face heavy loads or repeated vibration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended for bolts\/studs ≥ 1 in (25 mm) diameter\u003c\/li\u003e\n  \u003cli\u003eIdeal for suspension, drivetrain, and structural fasteners\u003c\/li\u003e\n  \u003cli\u003eSuitable for steel, stainless steel, aluminum, and plated parts\u003c\/li\u003e\n  \u003cli\u003eOEM-specified for many heavy-duty automotive repairs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat environmental and temperature limits should you expect?\u003c\/h3\u003e\n\u003cp\u003eOnce fully cured, this threadlocker resists elevated temperatures and common automotive fluids encountered in service. It maintains integrity under heat and exposure to oils and chemicals better than lower-strength threadlockers, but always follow vehicle or equipment manufacturer guidelines for specific use-cases.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eService temperature resistance up to approximately 140°F (60°C) continuous\u003c\/li\u003e\n  \u003cli\u003eImproved oil tolerance during cure compared with standard anaerobic adhesives\u003c\/li\u003e\n  \u003cli\u003eResists loosening from shock and vibration\u003c\/li\u003e\n  \u003cli\u003eNot intended as a flexible sealant—used to immobilize threaded fasteners\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do you remove fasteners treated with Loctite Red 271?\u003c\/h3\u003e\n\u003cp\u003eRemoval is achieved by applying localized heat and using common hand tools; the product is designed to be permanent under normal conditions but serviceable when heated. Heat weakens the cured polymer so you can break the bond and unthread the fastener without damaged components in most cases.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse a focused heat source (e.g., torch) to warm the fastener\u003c\/li\u003e\n  \u003cli\u003eApply hand tools or impact tools once adhesive softens\u003c\/li\u003e\n  \u003cli\u003eAvoid excessive force that could damage surrounding parts\u003c\/li\u003e\n  \u003cli\u003eAllow thorough cooling and clean mating surfaces before reassembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Loctite 37479 271 Red is aimed at professional mechanics, fleet technicians, industrial maintenance teams, and experienced DIYers tackling heavy-duty automotive or equipment repairs. If you’re securing large fasteners that must resist vibration, shock, and chemical exposure while remaining serviceable with heat, this high-strength threadlocker provides a long-lasting, OEM-grade solution. For use on smaller fasteners or where regular disassembly is required without heat, consider medium-strength alternatives.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can Loctite 271 be used on aluminum fasteners?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Loctite 271 bonds to aluminum and other metals when mating surfaces are clean and closely fitted.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is heat required to remove a fastener treated with Loctite 271?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Localized heating is typically used to soften the cured bond, allowing removal with hand tools.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Loctite","offers":[{"title":"Default Title","offer_id":55166644650327,"sku":"B004DWUN5S","price":37.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/loctite-271-red-bottle-front.jpg?v=1790369507","url":"https:\/\/britishgarage.co.uk\/products\/loctite-red-271-heavy-duty-threadlocker-36-ml-bottle-high-strength-for-large-bolts","provider":"British Garage","version":"1.0","type":"link"}