The milwaukee thunderweb metal drill bits have a unique design that is characterised by a conical shaped web which gets thicker towards the back of the drill bit the web is the internal core of the drill bit the drill bits have a parabolic web cross section and large web thickness which accepts higher feed pressure and torque and resists breakages thunderweb drill bits have a flute form that ejects hot chips rapidly and dissipates heat for longer life the open flute form reduces drill drawback w