Loctite 263 High Strength Threadlocker
Available
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.
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10ml
Model Number: 263-10ML-LOC
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50ml
Model Number: 263-50ML-LOC
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250ml
Model Number: 263-250ML-LOC
