Lubricant for Industrial and Automotive Drilling and Tapping Designed for Industrial Metalworking Maintains Clean Parts, Long Lasting Concentrated Formula - Blend with water at 10-15% concentration. Adjust as needed. Winona Van Norman has developed an advanced semisynthetic concentrated water-soluble machining coolant, specially formulated for drilling and tapping as well as other machining applications. It is low odor and easy to mix, increases life of tools and improves work piece surface finish. This exceptional product maintains cleaner parts and cleaner products. Concentrated Formula - Blend with water at 10-15% concentration. Adjust as needed.