while at the same time adhering to stringent production tolerances the securing elements 1 in accordance with the invention can be produced by means of grinding in a preferred manner fig3 shows a part view of a first exemplary embodiment of an exhaust gas turbocharger 11 in accordance with the invention as is shown by way of example in fig3 a vtg guide vane arrangement 15 arranged between the bearing housing 12 and the turbine housing 13 is secured to the bearing housing 12 of the exhaust gas turbocharger 11 having variable turbine geometry by means of an inventive securing element 1 for this purpose the securing element 1 in accordance with the invention embodied with a screw head 9 is secured by means of a recess 16 of the vtg guide vane arrangement 15 through the connecting point 14 of the bearing housing 12 the shank 3 of the shown securing element 1 has a thread 8 on the opposite side of the screw head 9 the securing element 1 is screwed into the connecting point 14 of the bearing housing 12 by means of said thread 8 the components forming the vtg guide vane arrangement 15 shown by way of example are subsequently described below the vtg guide vane arrangement 15 between.