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 way to fix a dent – Miracle system demo Flesh-Detecting Saw Instantly Retracts the Blade to Prevent Injury Reinventing The Conveyer Belt Railroad assembly line? That is a seriously incredible machine World’s First Color Multi-material 3D Printer Doctor Makes A Paper Plane With Surgical Robot