Amazon offers J-B Weld Perma-Lock Medium Strength Threadlocker for . Free shipping with Amazon Prime.

Product Description:
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. Ideal for 1/4-inch to 1-inch fasteners and temperature resistant to 300° F.