United Rock Drill Oil is formulated with high viscosity index base stocks and delivers greater adhesion to metal surfaces through tackiness agents and premium additives. This dual purpose lubricant is designed to lubricate rock drills and other pneumatic equipment. The high EP characteristics of United Rock Drill Oil extends drill life and cools the drill. It provides excellent film strength, adhesion and lubricity, as well as rust and corrosion protection. Because of its unique formulation, it will suppress smoke and fog from the tool's exhaust. It is designed for lubrication of surfaces in the presence of excessive moisture. United Rock Drill Oil is available in ISO grades 46, 68, and 100. SAE grades fall within the ISO grades as indicated in specifications.