243™ Medium-Strength Primerless Threadlocker, 0.5 mL, 1/4 in to 3/4 in dia, Blue

Loctite® 243™ Medium-Strength Primerless Threadlockers

SKU 442-1330255


  • General purpose threadlocker that provides a medium strength bond
  • Seals and secures metal nuts and bolts to prevent loosening due to shock and vibration
  • Works on all metals, including passive substrates, such as stainless steel, aluminum, and plated surfaces
  • Proven to be tolerant of minor contamination due to industrial oils, such as motor oils, corrosion prevention oils, and cutting fluid