Loctite 271 Red High Strength Threadlocker (1 L)
This heavy-duty, high-strength threadlocker is a permanent solution for locking and sealing threaded metal fasteners, such as nuts and bolts up to 1 inch (25mm).
- Part Number: 209743
- Color: Red
- Strength: High Strength/Permanent
- Volume: 1 Liter (1 L)
- Prevents: Loosening caused by vibration, leaks, and corrosion.
- Cure Time: Sets in 10 minutes; fully cures in 24 hours (up to 72 hours depending on substrate).
- Removal: Requires heating parts up to 500°F (260°C) once cured.
Ideal for large fasteners (M25 and larger) on engines, machinery, and vehicles where permanent locking is required.



