Loctite® 222 is a low - resistance brake which allows adjustment screws to be adjusted, including strawberry head screws and headless screws. Also used on low resistance metals that could shear the disassembly, such as aluminum or brass. The product is suitable for all metals, including passive substrates (eg, stainless steel, aluminum, plated surfaces). It is designed to tolerate slight contamination by industrial oils (eg engine oil, anti - rust solutions or cutting fluids).