Description
LOCTITE 277 is a red, high-strength, high-viscosity threadlocker supplied in a 50 ml bottle.
Key Specifications & Features
- Color: Red
- Strength: High (permanent locking and sealing)
- Size: 50 ml bottle (packaged as 277-31)
- Viscosity: High viscosity, designed to prevent running or migration on large threads
- Maximum Thread Size: Ideal for large bolts and studs greater than 25 mm (1 inch) up to M36 / M80 depending on application
- Temperature Range: -55°C to +150°C (-65°F to +300°F)
- Fixture Time: ~30 minutes on steel, 25 minutes on brass, and 270 minutes on stainless steel
- Removal: Requires localized heating to approximately 250°C–300°C and hand tools for disassembly according to Henkel Adhesives.
Typical Uses
- Locking and sealing large heavy-duty bolts, nuts, and studs
- Preventing loosening, leakage, and corrosion caused by severe shock and vibration





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