| LOCTITE® 263 is a red, high-strength, permanent threadlocker designed to lock and seal threaded fasteners, preventing loosening from vibration. It works on all metals without primer, including passive substrates, and cures through oil-coated fasteners without cleaning. Removal requires heat. |
- Ideal for heavy duty applications, such as studs into motor housings, where high strength is required
- Prevents fastener loosening and leakage from shock and vibration
- Permanent locking and sealing of threaded fasteners - removable with heat
- Requires heat for disassembly
- High temperature performance (up to 182°C / 360°F) and oil tolerance
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Product Description
Loctite 263
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| Agency approvals / certificates / specifications |
NSF/ANSI-norm 61 |
| Application Method |
Dispense system, Manual |
| Application temperature |
-65.0 - 360.0 °F (-55.0 - 180.0 °C ) |
| Applications |
Threadlocking |
| Breakaway torque, M10 Steel Nuts/Bolts |
33.0 N·m (290.0 in./lb. ) |
| Color |
Red |
| Cure Type |
Anaerobic cure |
| Fixture time, Steel |
10.0 min. |
| Key characteristics |
Disassembly: disassembly with heat, Fluorescent, General purpose, Oil tolerant, Primerless, Strength: high strength |
| Physical form |
Liquid |
| Prevail torque, M10 Steel Nuts/Bolts |
33.0 N·m (290.0 in./lb. ) |
| Recommended for use with |
Metal, Metal: passive metal |
| Specific gravity, @ 25.0 °C |
1.1 |
| Viscosity, 20 RPM |
500.0 mPa·s (cP) |
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