EK-743 Threadlocker (Medium Strength – Blue)


  • Prevent Loosening Due to Vibration
  • Work on Lightly Oiled Surfaces
  • Locks Bolts and Nuts Up to 20 mm Diameter
  • Resisting Chemical, Fuels, Lubricants and Most Industrial Liquid


A blue color, medium strength threadlocker formulated for locking and sealing of threaded fasteners which require normal disassembly with standard hand tools. It cures when confined in the absence of air between close fitting metal surfaces. It can sealing against leakage and corrosion.


Replace lock washers and plastic insert. Lock machine tool access bolts, nuts and hydraulic system bolts. Use on gear box bolts/driveshaft, bearing cover cap screws, counter sunk screws, conveyor roller bolts. It is also ideal for bolts on valve covers, oil pans, disc brake callipers, alternators and pulley assemblies.