3M TL71 Rite-Lok Threadlocker

3M TL71 Rite-Lok Threadlocker Datasheet
  • Description for 3M TL71 Rite-Lok Threadlocker

    A one component anaerobic adhesive that cure and seal threaded assemblies is a general purpose, permanent, high strength thread-locker that locks bolts and studs up to 1" in diameter as it seals against leakage and corrosion.

    *See Terms of Use Below

    Application Type Bond, Seal, Threadlocker
    1 Part or 2 Part 1 Part
    Material Form Liquid (before cure)
    Substrate Commercial aluminum (Active Fast cure), Copper (Active Fast cure), Brass (Active Fast cure), Bronze (Active Fast cure), Iron (Active Fast cure), Kovar (Active Fast cure), Manganese (Active Fast cure), Monel (Active Fast cure), Nickel (Active Fast cure), Anodized Aluminum (Inactive Slow cure), Cadmium (Inactive Slow cure), Chemical black oxide (Inactive Slow cure), Galvanized steel (Inactive Slow cure), Gold (Inactive Slow cure), Inconel (Inactive Slow cure), Magnesium (Inactive Slow cure), Magnetite Steel (Inactive Slow cure), Plated parts (Inactive Slow cure), Silver (Inactive Slow cure), Stainless Steel (Inactive Slow cure), Zinc (Inactive Slow cure), Galvanized steel (Inactive Slow cure), Pure aluminum (Inactive Slow cure)
    Industry Locks bolts
    Manufacturer 3M
    Chemistry Dimethacrylate
    Cure Method Anaerobic
    Cure Temperature (°C) 20 to 25
    Cure Time (min) 1,440, 1,440
    Viscosity (cPs) 400 to 900
    Fluorescent Fluorescence
    Color Red
    High Temperature Resistance (°C) 204
    Low Temperature Resistance (°C) -54
    Key Specifications International Organization for Standardization, Mil-Spec (United States Military Standard): MIL-S-46163A
  • Technical Data for 3M TL71 Rite-Lok Threadlocker

    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 1 Part
    • Material Form
      • Liquid - Liquid (before cure)
    • Substrate
      • Metal - Inconel (Inactive Slow cure)
      • Aluminum - Commercial aluminum (Active Fast cure), Pure aluminum (Inactive Slow cure)
      • Copper - Copper (Active Fast cure)
      • Brass - Brass (Active Fast cure)
      • Bronze - Bronze (Active Fast cure)
      • Iron - Iron (Active Fast cure)
      • Kovar - Kovar (Active Fast cure)
      • Manganese - Manganese (Active Fast cure)
      • Monel - Monel (Active Fast cure)
      • Nickel - Nickel (Active Fast cure)
      • Cadmium - Cadmium (Inactive Slow cure)
      • Black Oxide - Chemical black oxide (Inactive Slow cure)
      • Gold - Gold (Inactive Slow cure)
      • Magnesium - Magnesium (Inactive Slow cure)
      • Plated Parts - Plated parts (Inactive Slow cure)
      • Silver - Silver (Inactive Slow cure)
      • Zinc - Zinc (Inactive Slow cure)
      • Galvanized - Galvanized steel (Inactive Slow cure)
      • Anodized Aluminum - Anodized Aluminum (Inactive Slow cure)
      • Galvanized Steel - Galvanized steel (Inactive Slow cure)
      • Magnetite Steel - Magnetite Steel (Inactive Slow cure)
      • Stainless Steel - Stainless Steel (Inactive Slow cure)
    • Industry
      • Mechanical Fastening Parts - Locks bolts
      • Other - Threaded assemblies that meet a wide range of applications to prevent vibration loosening and/or leakage
    • Chemistry
    • Cure Method
      • Anaerobic
    • Color
      • Red
    • Key Specifications
      • International Organization for Standardization
      • Mil-Spec (United States Military Standard): S-46163A - MIL-S-46163A
    Cure Specs
    Cure Temperature (°C) 20 to 25
    Cure Time (min) 1,440, 1,440
    Viscosity (cPs) 400 to 900 Test Method
    Fixture or Handling Strength Time (min) 10 to 30, <5.00
    Set Time (min) Fast
    Fluorescent Fluorescence
    Bond Strength
    General Bond Strength (psi) High
    Material Resistance
    Non-Corrosive Excellent corrosion resistance
    High Temperature Resistance (°C) 204
    Low Temperature Resistance (°C) -54
    Vibration Resistance/Shock Resistance Excellent vibration resistance, Excellent shock resistance
    Business Information
    Shelf Life Details Storage: Store product in cool, dry area out of direct sunlight.;3M™ Scotch-Weld™ Threadlocker Anaerobic Adhesives have a shelf life of twelve months when stored at 60° to 80°F (16° to 27°C) in the original unopened container.
    Shelf Life Temperature (°F) 60 to 80
    Shelf Life (mon) 12
    Not Good For
    Don't Use For piping systems that contain pure oxygen or an oxygen-rich environment, chlorine, or strong oxidizing substances
    Don't Use With most plastics due to potential cracking of plastic parts
  • Best Practices for 3M TL71 Rite-Lok Threadlocker

    *See Terms of Use Below

    1. Surface Preparation

      Ensure parts are clean, dry and free from oil, grease and dirt.

      For best results, clean and dry parts with solvent or 3M™ Scotch-Weld™ Activator.(Activator can also be used on inactive surfaces or to accelerate the cure on active surfaces.)

      If not sure of surface type, always use activator.

    2. Application

      Shake the adhesive bottle well before use.

      Avoid touching the metal surfaces with the bottle tip since the metal ions may react with the adhesive upon contact and eventually may clog the bottle tip.

      Apply adhesive onto the threaded part where the contact area will be in the final assembly. For larger parts, use more adhesive and rotate the threaded part to spread adhesive evenly around contact area.

      For through holes, apply several drops of adhesive onto the bolt at the nut engagement area. For blind holes, apply several drops of the adhesive down the internal threads to the bottom of the hole.

    3. Curing

      Allow assemblies to set for sufficient time so that handling strength or full cure will occur before further processing or testing.

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    *See Terms of Use Below

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Viscosity Test Methods
Viscosity Test Method
400 to 900 cPs Brookfield Viscometer spindle #2 at 20 rpm