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Two 50ml bottles of blue and red threadlocker with precision nozzles

Realth 2-Pack Threadlocker 50ml Blue Red M243 M271

SKU CH-RDBF-H55Z6

Two 50 ml bottles of medium and high-strength threadlocker for vibration-resistant fastener security

  • FeaturesHeat & Vibration Resistant, Easy Controlled Application
  • Medium-strength blue M243 allows future removal of fasteners
  • High-strength red M271 delivers permanent hold for heavy-duty joints
  • Heat and vibration resistance maintains bond in engines and transmissions
  • Precision nozzle on each 50ml bottle gives clean, controlled dispensing
  • Leak-resistant caps keep both threadlockers fresh for long shelf life

Two-Strength Threadlocker Kit

This 2-pack supplies one 50 ml bottle of blue M243 medium-strength threadlocker and one 50 ml bottle of red M271 high-strength threadlocker. It covers removable fasteners and permanent heavy-duty bonds in a single purchase. Automotive technicians, motorcycle owners, machinery operators and RC hobbyists can address vibration-induced loosening across varied assemblies.

Precision Nozzle Application

Each bottle fits a precision nozzle that meters fluid onto fine screws or large bolts without drips or waste. Leak-resistant caps keep the anaerobic adhesive fresh between uses. Surfaces must be clean and dry; cure time varies with material and gap, so allow full strength before returning the assembly to service.

Heat and Vibration Endurance

The formulas resist high temperatures and continuous vibration found in engines, transmissions and suspension systems. Blue M243 permits disassembly with hand tools after extended exposure, while red M271 maintains a permanent lock under sustained thermal cycling and shock loads. Neither grade is intended for plastic threads or oxygen-rich environments.

Highlights

  • Medium-strength blue M243 allows future removal of fasteners
  • High-strength red M271 delivers permanent hold for heavy-duty joints
  • Heat and vibration resistance maintains bond in engines and transmissions
  • Precision nozzle on each 50ml bottle gives clean, controlled dispensing
  • Leak-resistant caps keep both threadlockers fresh for long shelf life

Specifications

BrandRealth
FeaturesHeat & Vibration Resistant, Easy Controlled Application

Questions about this item

How can I verify the blue M243 threadlocker is holding correctly after assembly?

The blue M243 provides medium-strength bonding; after curing, fasteners should resist loosening from vibration but remain removable with standard hand tools.

What exactly comes in the 2-pack and do I need any extra tools to apply it?

The pack contains one 50ml bottle of blue M243 and one 50ml bottle of red M271, each with a precision nozzle for controlled dispensing; no additional tools are required.

Which threadlocker should I choose between the M243 and M271 for my repair?

Use the blue M243 for fasteners you may need to remove later; choose the red M271 for permanent, high-strength bonds on heavy-duty or high-impact applications.

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