• LOCTITE® Threadlocker Red is a high-strength, permanent threadlocking adhesive designed to secure heavy-duty fasteners, preventing loosening under severe vibration and extreme conditions.
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Loctite Threadlocker Red

LOCTITE® Threadlocker Red is a high-strength, permanent threadlocking adhesive designed to secure heavy-duty fasteners, preventing loosening under severe vibration and extreme conditions.

Category:

Loctite Threadlocker Red

Permanent high-strength threadlocker for heavy-duty applications

  • Prevents fastener loosening due to shock, vibration, and heavy loads

  • Designed for permanent locking of bolts, studs, and threaded assemblies

  • Protects threads from corrosion and leakage

  • Ideal for fasteners that are not intended for routine disassembly

  • Withstands high temperatures and harsh operating environments

  • Recommended for fasteners larger than 3/8” (10 mm) in diameter

  • Removal requires high heat (e.g., 500°F/260°C) or special tools



Application:

LOCTITE® Threadlocker Red is a permanent, high-strength anaerobic adhesive formulated for locking and sealing threaded fasteners in heavy-duty applications. It prevents loosening from vibration, protects against rust, and ensures a secure hold in demanding environments.

Performance Features & Benefits:

  • Permanently Locks Fasteners: Provides maximum strength for bolts, studs, and heavy-duty threaded assemblies.
  • Vibration and Shock Resistant: Prevents fastener loosening even under extreme stress.
  • Corrosion Protection: Seals threads to guard against rust and leakage.
  • High Temperature Performance: Withstands temperatures up to 150°C (300°F).
  • Heavy-Duty Applications: Recommended for fasteners over 10 mm (3/8″).

Main Application Areas:

  • Heavy machinery and industrial equipment
  • Automotive engines and powertrains
  • Bolts, studs, and threaded assemblies requiring permanent locking

Specifications & Approvals:

  • Strength: High (permanent)
  • Temperature Range: -54°C to +150°C (-65°F to +300°F)
  • Fixture Time: 10 – 20 minutes (steel)
  • Full Cure: 24 hours

Environmental & Safety Information:

  • Disassembly typically requires localized heat (approx. 260°C / 500°F) and hand tools.
  • Avoid skin and eye contact; use adequate ventilation during application.
  • Safety Data Sheet (SDS) available via inquiry

Technical Specifications:

Property Typical Value Test Method / Notes
Color Red —
Viscosity 400 – 600 mPa·s Brookfield RVT
Breakaway Torque 275 in-lb (31 N·m) ISO 10964 (M10 steel bolts)
Prevail Torque 275 in-lb (31 N·m) ISO 10964
Fixture Time 10 – 20 minutes (steel) 22°C (72°F)
Full Cure Time 24 hours —
Service Temperature -54°C to +150°C (-65°F to +300°F) —
Specific Gravity 1.10 —

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