ITW Rocol's food grade lubricant, Accu-Lube FG-2000, which is a natural/vegetable based, environmentally safe metalworking oil recommended  for use in medical applications requiring machining, drilling and tapping. It is also especially useful for the sawing of solids as much as 6" in diameter as well as tubing almost any size. The need for clean up and disposal are virtually eliminated. It also eliminates flood coolant and enables long-term cost savings and provides longer tool life. The lubricant is available in 1- and 55-gallon containers and is safe for use on all metals.