{"product_id":"loctite-242-blue-threadlocker-36-ml-medium-strength-automotive-thread-lock-for-metal-fasteners-vibration-resistance","title":"Loctite 242 Blue Threadlocker — 36 ml Medium-Strength Automotive Thread Lock for Metal Fasteners, Vibration Resistance","description":"\u003cp\u003e\u003cstrong\u003eLOCTITE 242 Automotive Blue Threadlocker is a medium-strength, fast-setting adhesive designed to lock and seal threaded fasteners on metal components while still allowing future disassembly.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eEngineered for professional garages and DIY mechanics, Loctite 242 is an OEM-tested threadlocker that bonds metal fasteners to resist vibration-induced loosening without permanently locking them. The 36 ml bottle supplies a versatile quantity for routine automotive maintenance and repair jobs, and its formulation works on a wide range of metals including stainless steel, aluminum, and plated surfaces.\u003c\/p\u003e\n\n\u003ch3\u003eHow quickly does LOCTITE 242 set and reach full strength?\u003c\/h3\u003e\n\u003cp\u003eThis threadlocker begins to set within about five minutes so parts stay in place while you work. It completes its cure to reach intended strength in roughly 24 hours under typical conditions, giving full holding performance the next day.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInitial handling strength in ~5 minutes\u003c\/li\u003e\n  \u003cli\u003eFull cure in approximately 24 hours at room temperature\u003c\/li\u003e\n  \u003cli\u003eCure speed depends on substrate, gap size, and temperature\u003c\/li\u003e\n  \u003cli\u003eBest results on cleaned, dry metal surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat types of fasteners and metals can I use it on?\u003c\/h3\u003e\n\u003cp\u003eLOCTITE 242 bonds well to a broad spectrum of metal fasteners, including passive metals that can be challenging for anaerobic adhesives. It is suitable for nuts, bolts, studs, and set screws across common automotive applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks on stainless steel, aluminum, plated, and common ferrous metals\u003c\/li\u003e\n  \u003cli\u003eIdeal for valve cover bolts, oil pan bolts, and water pump bolts\u003c\/li\u003e\n  \u003cli\u003eUseful on drive shaft bolts, carburetor studs, and rocker arm nuts\u003c\/li\u003e\n  \u003cli\u003eDesigned for threaded assemblies that require future serviceability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I disassemble fasteners treated with LOCTITE 242?\u003c\/h3\u003e\n\u003cp\u003eYes—because it is a medium-strength threadlocker, treated fasteners can be removed with standard hand tools when service is required. It immobilizes hardware against vibration but does not create a permanent weld-like bond.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemovable with typical wrenches or sockets\u003c\/li\u003e\n  \u003cli\u003eHeavier seizing can be aided by heat if needed\u003c\/li\u003e\n  \u003cli\u003eApply sparingly to thread engagement area for easier removal\u003c\/li\u003e\n  \u003cli\u003eAvoid over-application to prevent excess squeeze-out\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I apply LOCTITE 242 for best results?\u003c\/h3\u003e\n\u003cp\u003ePreparation improves adhesion: clean threads of oil, dirt, and old sealant before application. Apply a small amount to the male threads, assemble, and let the product begin to set; the assembly can be handled after initial setting and fully cured in 24 hours.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDegrease and dry threaded surfaces before use\u003c\/li\u003e\n  \u003cli\u003eApply to the bolt threads, not the nut, for controlled coverage\u003c\/li\u003e\n  \u003cli\u003eTighten to torque specification after application\u003c\/li\u003e\n  \u003cli\u003eStore bottle capped in a cool, dry place to preserve shelf life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Technicians, professional mechanics, and knowledgeable DIYers who perform routine automotive repairs and maintenance will value LOCTITE 242 for its proven balance of reliability and serviceability. It suits anyone needing a medium-strength threadlocker that resists vibration and works across multiple metal types—especially for parts that will require removal later. Keep a 36 ml bottle in the shop for common tasks like securing engine covers, pumps, pans, and drivetrain components.\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 242 removable after application?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It's medium-strength—secure against vibration but removable with standard hand tools or heat when servicing is needed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will LOCTITE 242 work on aluminum and stainless steel?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The formula bonds to passive metals like aluminum and stainless steel as well as plated surfaces.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Loctite","offers":[{"title":"Default Title","offer_id":67588805492921,"sku":"B000XSGJKY","price":74.53,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/loctite-242-front-label.jpg?v=1790525217","url":"https:\/\/redleafauto.ca\/products\/loctite-242-blue-threadlocker-36-ml-medium-strength-automotive-thread-lock-for-metal-fasteners-vibration-resistance","provider":"Redleaf Auto","version":"1.0","type":"link"}