Loctite 263

LOC004

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

Product Description

Loctite 263
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)