Tungsten Carbide Friction Drills Drilling holes into metals by using friction only looks pretty cool. Facebook Prev Article Next Article Machinery Checkout these cool gadgets... Related Posts Interesting Puzzle Box Fastest Wire Bending Machine is Addictive to Watch Walnut Harvesting Machines are Pretty Interesting Laser Cleaning Is So Satisfying; Let’s watch it again 5-Axis Metal Laser Cutter Is Satisfying to Watch Twisted Helical End Drill Reduces Cutting Resistance