Profile: D. A. Stuart Co. produces engineered lubricants for the metalworking and primary metal industries. We specialize in coolants, cutting & grinding oils, metalforming lubricants, friction modifiers and rolling oils. Our products include forging lubricants, cleaners, conversion coatings, rust inhibitors, quenching products, hydraulic fluids and greases. We serve automotive, steel, aluminum, aerospace, metalforming and general metalworking industries. Our tempershield water-based products include nitrite and nitrite free formulations & special technologies for galvanize in-line temper mills. Our brands include Dascoolâ,¢ and DascoSolâ,¢.