High-strength, low-viscosity, red methacrylate-based locking nut that fluoresces under UV light for monitoring purposes. LOCTITE® 271 is a red methacrylate-based threadlocker with low viscosity and high strength. Ideal for applications where product migration must be avoided. Tolerates slight oil contamination. Can be used on all metals. Breaking torque of 26 Nm for maximum diameters of M10. Fluoresces under UV light. ** Low viscosity ** Fluorescent product that can be monitored ** Prevents unwanted movement, loosening, leaks and corrosion ** Resists vibration ** High strength ** Seals threads to allow drilling