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 How the Largest Car Factory in the World Transports Its Vehicles 120 Year Old Fully Functioning Calculator Why Machines That Bend Are Better Inside The World’s Most Colorful Factory – DayGlow The Old Machine That Measures Irregular Shapes This Tree Cutting Machine Is Monstrous (And Monstrously Satisfying)