3M TL42 Rite-Lok Threadlocker Datasheet 3M TL42 Rite-Lok Threadlocker

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  • Description for 3M TL42 Rite-Lok Threadlocker

    A one component anaerobic adhesive that cure and seal threaded assemblies is a general purpose, removable with hand tools, medium strength threadlocker ideal for machine tool access bolts, and hydraulic system bolts.

    *See Terms of Use Below

    Application Type Bond, Seal, Threadlock
    1 Part or 2 Part 1-Part
    Material Form Liquid (Before Cure)
    Substrate Commercial aluminum (Active Fast cure) , Copper (Active Fast cure) , Inconel (Inactive Slow cure), Stainless Steel (Inactive Slow cure), Nickel (Active Fast cure) , Iron (Active Fast cure) , Bronze (Active Fast cure) , Brass (Active Fast cure) , Manganese (Active Fast cure) , Monel (Active Fast cure) , Kovar (Active Fast cure) , Silver (Inactive Slow cure), Cadmium (Inactive Slow cure), Zinc (Inactive Slow cure), Magnesium (Inactive Slow cure), Chemical black oxide (Inactive Slow cure), Gold (Inactive Slow cure), Galvanized steel (Inactive Slow cure), Magnetite Steel (Inactive Slow cure), Plated parts (Inactive Slow cure), Anodized Aluminum (Inactive Slow cure), Galvanized steel (Inactive Slow cure), Pure aluminum (Inactive Slow cure)
    Industry Gear box, Machine tool access bolts, General Purpose, Hydraulic system bolts, Driveshaft bolts, Hydraulic system bolts, Conveyor roller bolts, Bearing cover cap screws, Countersunk screws
    Manufacturer 3M
    Chemistry Dimethacrylate
    Cure Method Anaerobic
    Cure Temperature (°C) 20 to 25
    Cure Time (min) 1,440, 1,440
    Viscosity (cPs) 800 to 1,600
    Fluorescent Fluorescence
    Color Blue
    Torque (psi) 70 to 200 (in.lb), 20 to 200 (in.lb)
    High Temperature Resistance (°C) 149
    Low Temperature Resistance (°C) -54
    Key Specifications Mil-Spec (United States Military Standard): MIL-S-46163A
  • Technical Data for 3M TL42 Rite-Lok Threadlocker

    • Application Type
    • 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)
      • Nickel - Nickel (Active Fast cure)
      • Iron - Iron (Active Fast cure)
      • Bronze - Bronze (Active Fast cure)
      • Brass - Brass (Active Fast cure)
      • Manganese - Manganese (Active Fast cure)
      • Monel - Monel (Active Fast cure)
      • Kovar - Kovar (Active Fast cure)
      • Silver - Silver (Inactive Slow cure)
      • Cadmium - Cadmium (Inactive Slow cure)
      • Zinc - Zinc (Inactive Slow cure)
      • Magnesium - Magnesium (Inactive Slow cure)
      • Black Oxide - Chemical black oxide (Inactive Slow cure)
      • Gold - Gold (Inactive Slow cure)
      • Plated Parts - Plated parts (Inactive Slow cure)
      • Galvanized - Galvanized steel (Inactive Slow cure)
      • Anodized Aluminum - Anodized Aluminum (Inactive Slow cure)
      • Stainless Steel - Stainless Steel (Inactive Slow cure)
      • Galvanized Steel - Galvanized steel (Inactive Slow cure)
      • Magnetite Steel - Magnetite Steel (Inactive Slow cure)
    • Industry
      • Mechanical Fastening Parts - Machine tool access bolts, Hydraulic system bolts, Bearing cover cap screws, Countersunk screws, Conveyor roller bolts
      • Gears - Gear box
      • General Purpose
      • Hydraulic - Hydraulic system bolts
      • Shafts - Driveshaft bolts
      • Other - Threaded assemblies
    • Chemistry
    • Cure Method
      • Anaerobic
    • Color
      • Blue
    • Key Specifications
      • 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) 800 to 1,600 Test Method
    Fixture or Handling Strength Time (min) 10 to 30, <5.00
    Set Time (min) Fast
    Fluorescent Fluorescence
    Bond Strength
    Torque (psi) 70 to 200 (in.lb), 20 to 200 (in.lb)
    General Bond Strength (psi) Medium
    Material Resistance
    Non-Corrosive Excellent corrosion resistance, Prevent corrosion
    High Temperature Resistance (°C) 149 Test Method
    Low Temperature Resistance (°C) -54 Test Method
    Vibration Resistance/Shock Resistance Excellent shock resistance, Excellent vibration resistance
    Business Information
    Shelf Life Details Storage: Store product in cool, dry area out of direct sunlight.;Shelf Life: 3MTM Scotch-WeldTM Threadlocker Anaerobic Adhesives have a shelf life of 12 months when stored at 60o to 80oF (16o to 27o 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 TL42 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 3MTM Scotch-WeldTM Activator. (Activator can also be used on inactive surfaces or to accelerate the cure on active surfaces.)

    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.

    4. Removal

      Loosen or remove with regular hand tools.

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Viscosity Test Methods
Viscosity Test Method
800 to 1,600 cPs Uncured, Brookfield Viscometer spindle #3 at 20 rpm
High Temperature Resistance Test Methods
High Temperature Resistance Test Method
149°C Cured
Low Temperature Resistance Test Methods
Low Temperature Resistance Test Method
-54°C Cured