LOCTITE® Threadlocker Blue is a medium-strength, removable threadlocking adhesive designed to secure and seal threaded fasteners while allowing disassembly with standard hand tools.
Medium-strength threadlocker for metal fasteners
Prevents loosening of nuts, bolts, and screws due to vibration
Medium-strength formula allows easy disassembly with standard hand tools
Protects threads from rust and corrosion
Seals threads to prevent leaks and contamination
Works on all metals including stainless steel and plated surfaces
Ideal for fasteners up to 1/4″ to 3/4″ (6 to 20 mm) in diameter
Suitable for automotive, industrial, and household use
LOCTITE® Threadlocker Blue is a medium-strength anaerobic adhesive designed for locking and sealing threaded fasteners, preventing loosening due to shock and vibration while allowing disassembly with standard hand tools.
| Property | Typical Value | Test Method / Notes |
|---|---|---|
| Color | Blue | — |
| Viscosity | 1200 – 3000 mPa·s | Brookfield RVT |
| Breakaway Torque | 115 in-lb (13 N·m) | ISO 10964 (M10 steel bolts) |
| Prevail Torque | 53 in-lb (6 N·m) | ISO 10964 |
| Fixture Time | 10 minutes (steel) | 22°C (72°F) |
| Full Cure Time | 24 hours | — |
| Service Temperature | -54°C to +150°C (-65°F to +300°F) | — |
| Specific Gravity | 1.05 | — |