The Loctite 263 High Strength Threadlocker is a red, anaerobic threadlocker for permanently locking and sealing studs, nuts and bolts. It cures between close-fitting metal parts to stop loosening and leakage from shock and vibration, with 33 N·m breakaway torque on M10 steel and an operating range of -55°C to +180°C. It cures on stainless steel and plated parts as well as brass and copper, and tolerates light oil on as-received fasteners. Available in 10 ml, 50 ml and 250 ml. Clean and dry the threads, then apply a few drops where the nut engages, or to the lower third of a blind hole; it reaches fixture strength in about 10 minutes, and an activator helps if cure is slow. Removal needs local heat to about 250°C, and it isn't normally recommended for plastics or pure-oxygen systems. Consult the Safety Data Sheet before use. At a glance Strength High (permanent) Breakaway torque 33 N·m (M10 steel) Temperature -55°C to +180°C Fixture time About 10 minutes Size 10 ml, 50 ml, 250 ml Motor housings — permanent locking of studs Pump housings — nuts secured onto studs Heavy plant and mining — fasteners under shock and vibration Gearboxes and compressors — locking critical bolts Full specifications, applications, features and important limits are in the tabs below. Frequently Asked Questions — Loctite 263 High Strength Threadlocker What is Loctite 263 High Strength Threadlocker used for? Motor housings — permanent locking of studs What temperature range does Loctite 263 High Strength Threadlocker handle? Loctite 263 High Strength Threadlocker is rated for -55°C to +180°C. What strength or type is Loctite 263 High Strength Threadlocker? Loctite 263 High Strength Threadlocker is a High (permanent) strength product.