Relton 04Z-NRT 4 oz Rapid-Tap Metal Cutting Fluid - Premium Hard Metal Lubricant for Drilling, Tapping & Machining - Ideal for DIY, Automotive & Industrial Metalworking Projects

This is the stuff to use to ease drilling, cutting, tapping, and whatever when you need to ease the force it takes to do the job at hand. I use it on all these processes to save wear and tear on tools and myself. It really works.