with drill air cooling (pressurised run required on site)<>with speed and stroke control <>drill bit cooling and lubrication,<>continuously variable stroke and spindle speed control <>an easy to operate sliding table als well as<>Dürselen drill belt for drilling support <>Different spacers according to each hole pattern allow quick and easy set-up of the drill heads. Spacers for the most common hole patterns come with this model like with all Dürselen paper drilling machines.<>Dürselen PB.04N is a paper drilling machine for heavy duty use - suitable all drill bit diameters and difficult substrates like coated paper and plastic film. Even under heavy duty use there is no need for maintenance or lubrication.