System for mounting a refrigerant compressor housing to a base plate

System for mounting a refrigerant compressor housing (11) to a base plate (9) having threaded holes (10), the system comprising at least two screw pins (1) and one clip (2) to connect the two screw pins, characterised in that each screw pin (1), as seen in its longitudinal direction, has a threaded portion (3) for screwing the screw pin (1) into a threaded hole (10) of a base plate (9), the threaded portion (3) being followed by a middle portion (4) to be inserted into a respective opening (17) of a refrigerant compressor housing (11), the middle portion (4) being followed by a neck portion (5) having a smaller diameter than the middle portion (4), the neck portion (5) being followed by a head portion (6), the head portion (6) having a larger diameter than the neck portion (5), the system being further characterized in that the elongate clip (2) has one slot (7,8) in each of its two end portions, the first slot (7) having a width equal to the diameter of the neck portion (5) of the screw pin (1) and being oriented in longitudinal direction of the clip (2), the second slot (8) narrowing to a width smaller than the diameter of the neck portion (5) of the screw pin (1) and then enlarging to a diameter equal to the diameter of the neck portion (5) and the second slot (8) being oriented normal to the longitudinal direction of the clip (2).