{"product_id":"loctite-263-high-strength-threadlocker-50ml-red-permanent-adhesive-for-bolts-studs-vibration-resistant","title":"Loctite 263 High-Strength Threadlocker 50ml — Red permanent adhesive for bolts \u0026 studs, vibration-resistant","description":"\u003cp\u003e\u003cstrong\u003eLoctite 263 is a red, high-strength acrylic threadlocker in a 50ml bottle designed to permanently lock and seal threaded metal and plastic fasteners in heavy-duty assemblies.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eEngineered as a dual-cure dimethacrylate ester adhesive, this product sets where metal surfaces meet and resists vibration, shock and thermal cycling common in motors, gearboxes and industrial equipment. Its fluorescent formulation and vivid red color make application visible for quality checks, while the chemistry provides a permanent bond for studs, bolts and press-fit threads that demand long-term security.\u003c\/p\u003e\n\n\u003ch3\u003eHow quickly does this threadlocker cure and reach full strength?\u003c\/h3\u003e\n\u003cp\u003eLoctite 263 begins curing upon contact with metal surfaces and achieves practical handling strength within hours, with full cure reached around 24 hours under standard conditions. Cure speed depends on gap size, substrate type and ambient temperature—metal-to-metal contacts cure faster due to anaerobic activation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePractical handling strength: within hours in tight-fit threads\u003c\/li\u003e\n  \u003cli\u003eFull cure: typically ~24 hours at room temperature\u003c\/li\u003e\n  \u003cli\u003eFaster cure on active metals and with minimal air gaps\u003c\/li\u003e\n  \u003cli\u003eSlower cure on plastics or larger gaps\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat kinds of applications and materials is it best suited for?\u003c\/h3\u003e\n\u003cp\u003eThis high-strength adhesive is intended for permanent locking of fasteners under heavy loads—think studs into motor housings, engine components and structural assemblies. It bonds well to steel and many metal alloys; compatibility with some plastics varies, so testing on specific polymers is recommended.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIdeal for studs, bolts and permanently secured fasteners\u003c\/li\u003e\n  \u003cli\u003eRecommended for motors, gearboxes, pumps and heavy machinery\u003c\/li\u003e\n  \u003cli\u003ePerforms best on iron and steel; test specialty plastics first\u003c\/li\u003e\n  \u003cli\u003eNot formulated for frequent disassembly or low-strength needs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow is the product applied and how much should I use?\u003c\/h3\u003e\n\u003cp\u003eApply a drop or two to the male threads and assemble parts immediately; capillary action spreads the adhesive across the thread faces to form a continuous seal. Because it’s a high-strength formulation, minimal quantity is required—the goal is full thread coverage without excess squeeze-out.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eApply a small amount to the male thread roots\u003c\/li\u003e\n  \u003cli\u003eTighten normally to allow adhesive to fill the thread gap\u003c\/li\u003e\n  \u003cli\u003eWipe away visible excess before cure for a clean finish\u003c\/li\u003e\n  \u003cli\u003eStore capped in a cool, dry place to preserve shelf life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I service or remove a fastener treated with Loctite 263?\u003c\/h3\u003e\n\u003cp\u003eBecause this is a high-strength, permanent threadlocker, removal usually requires application of strong heat to weaken the bond or mechanical force such as impact tools. For maintenance planning, consider using a lower-strength product where routine disassembly is expected.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemoval methods: controlled heat, heavy-duty tools or bolt extraction\u003c\/li\u003e\n  \u003cli\u003eUse lower-strength threadlockers for regularly serviced joints\u003c\/li\u003e\n  \u003cli\u003ePrepare for possible fastener or component replacement if permanent bond is undesired\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Loctite 263 50ml is aimed at technicians, engineers and maintenance professionals who need a reliable, permanent solution for securing threaded connections in heavy-duty equipment. Choose this product when long-term retention, resistance to vibration and a visible application marker are priorities; if you require regular disassembly, consider a medium- or low-strength alternative instead.\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: Is Loctite 263 suitable for permanent locking of motor studs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It’s formulated for permanent, high-strength locking of studs in motor housings and similar heavy-duty applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I remove a bolt fixed with Loctite 263 without damage?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Removal typically needs strong heat or mechanical force; some components or fasteners may be damaged during extraction.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Loctite","offers":[{"title":"Default Title","offer_id":55163424342359,"sku":"B07PH64QDG","price":30.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/loctite-263-front-packaging.jpg?v=1790344384","url":"https:\/\/britishgarage.co.uk\/products\/loctite-263-high-strength-threadlocker-50ml-red-permanent-adhesive-for-bolts-studs-vibration-resistant","provider":"British Garage","version":"1.0","type":"link"}