Red, high strength, high viscosity methacrylate-based threadlocking adhesive, suited to large threads. Fluoresces to allow monitoring.

LOCTITE® 277 is a red, high strength, high viscosity, methacrylate-based threadlocking adhesive. It has a fixture time on steel of 30 min, brass 25 min and stainless steel 270 min making it deal for applications where migration of the adhesive must be prevented. Can tolerate slight contaminations of industrial oils. Suited to large threads. Fluoresces to allow monitoring.

Your Benefits

  • High viscosity
  • Breakaway torque on M10 bolts of 32 Nm
  • Prevents unwanted movement, loosening, leaks and corrosion
  • Resists vibration
  • High strength
  • Suited to large threads

Applications Permanent High Strength
Agency Approvals / Specifications MIL-S-46163A for existing designs, ASTM D-5363
Color Red
Cure Type Anaerobic Cure
Fixture Time 60 min.
Full Cure Temperature (°C) 25
Full Cure Temperature (°F) 77
Full Cure Time 24 hr.
Key Characteristics Strength: High Strength, Permanent
Number of Components 1 Part
Physical Form Liquid
Temperature Range (°C) -54 to 149
Temperature Range (°F) -65 to 300
Thread Size (Maximum) (in.) 7/8
Torque Break on M10 Steel (in./lb.) 275
Torque Prevail on M10 Steel (in./lb.) 275
Viscosity (Brookfield mPa.s (cP)) 7000
Viscosity Temperature (°C) 25
Viscosity Temperature (°F) 77