With Loctite 271, you permanently secure heavy-duty threaded fasteners and studs against loosening from extreme shock and vibration. This high-strength, low-viscosity liquid threadlocker flows smoothly into tight thread gaps on metal fasteners up to M25. Reaching fixture strength in just 5 to 15 minutes, it creates an airtight seal that protects against fluid leaks, moisture intrusion, and corrosion, eliminating the need for mechanical lock washers. This convenient 5 ml bottle provides the dependable holding power you need for demanding automotive assemblies, gearboxes, and heavy industrial machinery.