LOCTITE® 268 is a high-strength threadlocker for maximum efficacy in the securing and sealing of bolts, nuts and studs to prevent loosening due to vibration. The product serves to permanently lock assemblies which must not come loose. It is available in a stick format and easy and effective in overhead applications. The product works on all metals, including passive substrates such as stainless steel, aluminum and plated surfaces. It tolerates slight contamination by industrial oils, corrosion prevention oils and cutting fluids.