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Loctite

Loctite 271 Threadlocker

271

Overview

Loctite 271 is a high-strength threadlocker for the permanent locking and sealing of threaded fasteners up to 1 inch (25mm) in diameter, protecting threads from rust and corrosion. Once cured, disassembly requires heating the joint.

Specifications

Color
Red
Strength
High
Base Type
Dimethacrylate ester (acrylic)
Cure Type
Anaerobic
Service Temperature
-54°C to 149°C (-65°F to 300°F)
Fixture Time
10 minutes on active metals (steel); longer on less active metals
Full Cure Time
24 hours

Technical Information

  • Protects threads from rust and corrosion
  • Disassembly requires localized heat (~232°C / 450°F)
  • Meets Mil-S-46163A and ASTM D5363

Typical Applications

  • Structural and wheel fasteners
  • Heavy machinery and heavy conveyors
  • Fasteners up to 1 inch (25mm) in diameter

Industries

ManufacturingOil & GasPetrochemicalHeavy EquipmentAutomotive Maintenance

Technical Documents

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