J-B Weld Threadlockers provide a reliable and superior lock and seal for threaded fasteners. Ideal on all mechanical parts, body assemblies, and hundreds of other applications to prevent loosening of fasteners from shock and vibration. J-B Weld Perma-lock High Strength Threadlocker is ideal for heavy-duty applications requiring resistance to severe shock and vibrations. Heating and hand tools are required to separate parts.
- Clean all threads (bolt and hole) with a cleaning solvent.
- Shake the product thoroughly before use.
- For thru holes, apply several drops of product onto the bolt at the nut engagement area.
- Assemble and tighten as usual. When tightening to established torque values, torque compensation is not required.