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 Medium Strength Threadlocker is ideal for fastener applications requiring easy disassembly with hand tools.

• Prevents vibration loosening
• Ideal for 1/4" to 1" fasteners
• Temperature resistant up to 300 degrees F
• Easy-to-use - OEM approved
• Prevents rust and corrosion
• No spill - no drip or clog cap
• Use on stud bolts, rocker arms, fasteners, bushings, loose screws and more