Hasco Gun Drill 422 is a medium viscosity machining oil specifically designed for deep hole drilling. Gun Drill 422 contains chlorine and active sulfur lubricant additives to provide maximum performance across the machining temperature spectrum. The viscosity and additive levels allow Gun Drill 422 to be used in other machining applications. This versatility makes Gun Drill 422 an excellent choice where product consolidation is a shop goal. Gun Drill 422 meets the SCAQMD Rule 1144 VOC requirements. Gun Drill 422 should not be used on aluminum or yellow metals.