Never Seez NSB-4 Regular Grade is the "original" anti-seize compound and extreme pressure lubricant. It is designed to protect metal parts even in high temperature, high pressure and corrosive environments. Bostik's Regular Grade Never Seez prevents friction on steel, stainless steel, titanium, magnesium and other hard metals. Formulated with graphite, copper washer, aluminum powder, and zinc oxide, NSB-4 is for a variety of applications including pipe fittings, shafts, chain drives, valve assemblies, machinery, metal fittings, nuts, bolts, screws, guides and drills ideal.