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2-spindle drilling machine with variable centre distance and two mobile drilling units. It performs multiple drilling of the upright for the coupling of fascias and plinths with double diameter bits 6 and 12 mm or different depending on the type of profiles. The drilling centre distance is controlled by a pneumatic cylinder adjustable by mechanical stops. The drilling heads descend by means of an oleopneumatic cylinder with feed adjustment. Centering of the piece is carried out by means of a vice table, recording the centre line with respect to the bits with six possible mechanical references. Clamping of the piece by means of pressers. All operations are adjustable by means of limit micro switches. The drilling heads can work simultaneously by means of a selector on the console.