Tru-Cut is a soluble oil for medium-duty machining, grinding, and sawing of all metals. Its exceptional biostability provides long-term sump life when properly maintained, and the addition of a non-chlorinated EP package provides extended tool life. Designed to give long and predictable sump life in the milling, drilling, and broaching of ferrous and non-ferrous metals, Tru-Cut provides stable pH performance, and resists bacteria and fungal growth, rancidity, and unpleasant odors.