LUBRIPLATE FloKool XX Dark Cutting Oil is a premium, heavy-duty cutting oil of the sulfur saponifiable type. It is medium in viscosity and possesses the proper type and percentage of anti-weld properties. LUBRIPLATE FloKool XX Dark Cutting Oil is highly recommended for all types of high-speed work, thread cutting, tapping and broaching and also recommended for automatic screw machines and turret lathes. It appears transparent on the work piece and will drain off the completed parts quickly. Not recommended for brass, bronze, or copper. Product Part No. L0530- Available in gallons, 5 gallon pails and 55 gallon drums