{"product_id":"loctite-threadlocker-blue-242-medium-strength-thread-lock","title":"Loctite Threadlocker Blue 242 - Medium Strength Thread Lock","description":"\u003cp\u003eOur review of Loctite Threadlocker Blue 242 finds it most useful for DIYers and small-engine technicians who need a reliable, removable thread lock that prevents loosening without permanent bonding. The single biggest reason to buy is its balance of holding power and serviceability: it sets in about 10 minutes, fully cures in 24 hours, and is formulated for 6-19 mm fasteners so it works on common bolts, screws, and equipment mounts while still allowing later disassembly with standard hand tools.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocks and seals:\u003c\/strong\u003e The formula secures threaded fasteners to prevent loosening from vibration, reducing the need for extra washers or lock nuts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion protection:\u003c\/strong\u003e It helps prevent leaks and rusting of threads, which extends component life in damp or outdoor conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedium strength:\u003c\/strong\u003e Designed for 6-19 mm fasteners, it gives a strong hold while remaining removable for maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast set time:\u003c\/strong\u003e Sets in around 10 minutes so parts stay put quickly during reassembly and handling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull cure:\u003c\/strong\u003e Fully cures in 24 hours, delivering its rated strength and sealing performance after the cure period.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eServiceable:\u003c\/strong\u003e Can be removed with common hand tools, making it suitable for components that require periodic servicing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eLoctite Threadlocker Blue 242 is aimed at homeowners, small-engine mechanics, and workshop users who work on mowers, small motors, power equipment, and general repair tasks. It fits jobs where bolts and screws from about 6 mm to 19 mm need reliable retention against vibration but still require future disassembly.\u003c\/p\u003e\u003cp\u003eUsers who need an instant permanent lock or who work exclusively with very large structural fasteners should look elsewhere; this medium-strength formula is intended for routine mechanical maintenance rather than permanent industrial bonding.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWorks well on screws and bolts, keeping critical parts like engine mounts and brackets secure.\u003c\/li\u003e\n\u003cli\u003eProtects threads from leaks and corrosion, helping reduce long-term maintenance.\u003c\/li\u003e\n\u003cli\u003eEasy application and quick setting means less downtime during repairs.\u003c\/li\u003e\n\u003cli\u003eRemovable with hand tools so regular servicing is straightforward.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSome users find the liquid a bit runny during application, so careful dosing is needed to avoid excess.\u003c\/li\u003e\n\u003cli\u003eNot suitable if a permanent, nonremovable lock is required for heavy-duty structural joints.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct\u003c\/td\u003e\n\u003ctd\u003eThreadlocker Blue 242\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume per tube\u003c\/td\u003e\n\u003ctd\u003e6 ml\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack size\u003c\/td\u003e\n\u003ctd\u003e12 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFastener range\u003c\/td\u003e\n\u003ctd\u003e6 - 19 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStrength\u003c\/td\u003e\n\u003ctd\u003eMedium strength, removable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSet time\u003c\/td\u003e\n\u003ctd\u003eApprox. 10 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull cure\u003c\/td\u003e\n\u003ctd\u003e24 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eLoctite Threadlocker Blue 242 is a practical, cost-effective thread locker for routine maintenance and repairs where components must stay secure yet remain serviceable. Its combination of quick set time, corrosion protection, and removability makes it good value for DIYers and small-equipment technicians who want dependable results without permanent locking hardware.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIs this threadlocker removable?\u003c\/strong\u003e\u003cbr\u003eYes, it is a medium-strength formula designed to be removable with standard hand tools for servicing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat fastener sizes is it suitable for?\u003c\/strong\u003e\u003cbr\u003eIt is intended for use on fasteners roughly in the 6 - 19 mm range, covering common screws and bolts on small engines and equipment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow long until full strength?\u003c\/strong\u003e\u003cbr\u003eIt sets in about 10 minutes and reaches full cure in 24 hours for maximum holding and sealing.\u003c\/p\u003e","brand":"Loctite","offers":[{"title":"Default Title","offer_id":48602529726683,"sku":"B01EZTPX8A","price":46.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81-iwvH1aSL._SL1500.jpg?v=1778358696","url":"https:\/\/gearmusthave.com\/products\/loctite-threadlocker-blue-242-medium-strength-thread-lock","provider":"GearMustHave","version":"1.0","type":"link"}