FASTENER AND ARRANGEMENT COMPRISING A FASTENER

Arrangement with a fastener (16) and fastener (16) for the fastening of an attaching or covering part (18) to a supporting part (12) comprising a stud (14), in particular a part of the body of a motor vehicle. The fastener (16) comprises a main body (19) with a first fastening section (20) comprising a cavity (24) delimited by a cap (26), a first wall (28), a second wall (30) and a third wall (32) adapted to receive the stud (14), the cavity (24) longitudinally extending along a longitudinal axis (X), and at least one resilient locking finger (36, 52) having a first end (38) connected to the main body (19), a second end (40) extending within the cavity (24) and a catching portion (42) adapted to engage with the stud (14) in order to fix the fastener (16) to the supporting part (12).The cavity (24) is laterally and axially accessible, and the catching portion (42) comprises a first and a second fin (44, 46) separated by a gap (48), wherein the first and second fins (44, 46) face the cavity (24) and the fins (44, 46) and the gap (48) are adapted to support a threaded shaft (17) of a stud and/or the head (15) of a stud.The cap (26) is provided on its outside surface, opposite the cavity (24), with an elastic tongue (70).