A windscreen wiper device, particularly for automobiles, includes an elongated wiper blade, which can be placed in abutment with a windscreen to be wiped. The windscreen wiper device includes a connecting device for an oscillating arm, wherein the oscillating arm is pivotally connected with its first end to the connecting device and with its second end to a mounting head on a drive shaft, and wherein the oscillating arm is provided with a longitudinally extending base and two spaced-apart sidewalls extending outwardly along opposite sides of the base to form a tube having an open face. The oscillating arm is produced integrally form a single sheet material, wherein outboard edges of the sidewalls are folded inwardly towards each other to partially close the open face of the tube.