SKU: PEX27005
MPN: 27005
The Permatex Red Threadlocker 5gram is a high-strength gel formulation engineered for permanent fastener locking on mechanical assemblies, firearms, tactical equipment, and industrial machinery. This product is purpose-built for applications where bolts, screws, and threaded connections must resist vibration, shock, and environmental stress without risk of loosening during operation. Mechanics, gunsmiths, armorers, and maintenance technicians rely on red threadlocker to secure critical fasteners in demanding conditions where failure is not an option.
Red threadlocker delivers high-strength anaerobic adhesion that cures in the absence of air between metal surfaces, creating a permanent bond that prevents fastener rotation and loosening. The gel consistency ensures precise application without runoff, allowing controlled placement on threads before assembly. Once cured, the threadlocker fills micro-voids in the thread pitch and creates a mechanical lock that withstands extreme vibration, temperature fluctuations, and mechanical shock. The 5-gram tube (0.18 oz) format provides sufficient material for multiple applications, making it economical for both single repairs and ongoing maintenance programs.
Tactical operators, gunsmiths, and equipment maintainers use red threadlocker on scope mounting screws, rail fasteners, trigger assembly components, muzzle devices, and any critical connection subject to recoil or environmental vibration. The product is compatible with most ferrous and non-ferrous metals, including steel, stainless steel, and aluminum, though surface cleanliness improves cure speed and bond strength. Installation requires only minimal application—a small bead on threads before tightening—and allows disassembly with hand tools if future maintenance is necessary, distinguishing it from permanent lock compounds.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.