◆ Low Strength, Red Anaerobic Threadlocker ● Physical Form: Liquid ▲ Fixture Time 5.0 min - 15.0 min A red, low-viscosity, high-strength, anaerobic-curing threadlocking adhesive for the prevention of fastener loosening due to heavy shock and vibration. It fluoresces under UV light , great for quality control. Fixture time 5.0 min - 15.0 min. People Also Ask — Loctite 271 High Strength Threadlocker 50ml What is Loctite 271 used for? It's a red, low-viscosity, anaerobic-curing threadlocking adhesive for the prevention of fastener loosening due to heavy shock and vibration. How soon can I handle a fastener locked with Loctite 271? Fixture time is 5.0 to 15.0 minutes, after which the joint can generally be handled without disturbing the cure. Why does Loctite 271 fluoresce under UV light? It's formulated to fluoresce under UV light, which is useful for quality control checks confirming the threadlocker has been applied. What physical form does Loctite 271 come in? It's supplied as a liquid, in a 50ml pack.