3M™ Scotch-Weld™ Threadlocker TL42, Blue, 10 mL Bottle, 10/case

249011 MFG #: 048011-62605
$11.85 / EACH
  • Base Type: Dimethacrylate Ester
  • Color: Blue
  • Container Size: 10, 10 mL
  • Container Type: Bottle
  • Curing Time: 24, 24 hr
  • Flammability Rating: 1
  • Flash Point: >/=212, >/=212 deg F, >=212
  • Form: Thixotropic Liquid
  • Odor/Scent: Mild
  • Setting Time: <20, <20 min
  • Specific Gravity: 1.1
  • Temperature Rating: -65 to 300, -65 to 300 deg F
  • Tensile Strength: 70 to 160, 70 to 160 psi
  • Viscosity Rating: 10000 to 18000, 10000 to 18000 cPs
  • VOC Content: <15, <15 g/L
  • Brand: Scotch-Weld™
  • Type: Anaerobic Medium Strength, Medium Strength

Prevents Nuts and Bolts from Loosening with Vibration
Our 3M™ Scotch-Weld™ Threadlocker TL42 hardens and seals threaded assemblies to resist vibration and prevent loosening or leakage of secured fasteners. Applying this adhesive to fasteners before tightening seals out moisture and prevents corrosion. Application is fast and easy with just a targeted squeeze of the bottle. The anaerobic formulation begins to cure quickly into a polymer that seals, secures, and retains. An activator can be used for even faster cure or larger gap sizes. The medium strength adhesive loosens when needed with regular hand tools.

Recommended Applications

  • Threadlocking of screws, bolts and nuts
  • Applications vary by temperature resistance, removability and oil tolerance

Eliminates the Need for Lock Washers and Other Locking Components
Our 3M™ Scotch-Weld™ Threadlocker TL42 is effective for locking, vibration resistance, sealing, and bonding threaded assemblies. Places where it is useful include machine tool access bolts, hydraulic system bolts, gear box/driveshaft bolts, bearing cover cap screws, countersunk screws and conveyor roller bolts.

Understanding Anaerobic Adhesives
Anaerobic adhesives are uniquely formulated to cure in the absence of oxygen. The term "anaerobic" means "living without air" and when the oxygen is excluded, a chemical chain reaction begins that causes the adhesive to polymerize. Contact with metal speeds the polymerization process and rapidly accelerates the curing process, forming tough cross-linked plastic that provides aggressive adhesion with effective shear strength.

More commonly referred to as threadlockers, pipe sealants, retaining compounds, and gasket makers, these adhesives are often used to enhance the seal, or holding force, in the threads of joined fastener systems such as nut-and-bolt assemblies. A nut-and-bolt assembly may have as little as 15% metal-to-metal contact and even a small amount of anaerobic adhesive readily fills any air voids between the threads and then hardens to a thermoset plastic. These unique adhesives are easy-to-dispense, cure rapidly, and provide effective torque strength while resisting temperature and vibration and sealing out moisture and gasses to protect against corrosion. Anaerobic adhesives can decrease manufacturing costs, enhance equipment reliability, minimize aftermarket breakdown, and reduce warranty claims.

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  • Features
  • It can also be used on gear box/driveshaft bolts, bearing cover cap screws, countersunk screws and conveyor roller bolts
  • Long open time anaerobic adhesives that cure quickly
  • Helps keep production equipment up and running
  • Fills and seals threads completely to help stop corrosion, rust and leaks
  • Helps maintain torque
  • Removable with hand tools
  • Securely holds dissimilar metals
  • Helps keeps equipment and production up and running
  • Medium strength anaerobic adhesive is dispensed as a one component product
  • Eliminates the need for lock washers and other locking components
  • Medium removal torque
  • OSHA 29 CFR 1910.1200