Coolant
Coolant is a generic name for a group of lubricants known as metal-working fluids. The purpose of a coolant is to cool and to lubricate. Coolant types includes: fluids used for metal-forming operations, including wire, rod and bar drawing; fluids used for a metal-removal operations (i.e., machining, cutting and grinding); fluids used for metal protecting (i.e., rust preventives); and fluids used for metal treating, (i.e., quenching oils.) Note: the term coolant and lubricant are used interchangeably in the wire and cable industry. See Lubricant.