A windscreen wiper device (1) comprising an elastic, elongated carrier element, as well as an elongated wiper blade (2) of a flexible material, which can be placed in abutment with a windscreen to be wiped, which wiper blade (2) includes opposing longitudinal grooves (3) on its longitudinal sides, in which grooves (3) spaced-apart longitudinal strips (4) of the carrier element are disposed, wherein neighboring ends of said longitudinal strips (4) are interconnected by a respective connecting piece (6), which windscreen wiper device (1) comprises a connecting device (7) for an oscillating wiper arm (8), wherein said oscillating arm (8) is pivotally connected to said connecting device (7) about a pivot axis near one end, a special feature of which is that said connecting device (7) comprises engaging members (9) being welded to longitudinal sides (10) of said longitudinal strips (4) that face away from each other in such a manner as to withstand shearing forces in a direction along said longitudinal strips (4).