The disclosure relates to a connector pin, in particular a metal pin, for feedthroughs, in particular glass-metal feedthroughs, with at least one first, elongated portion, as well as at least one adjoining end portion, and the end portion has a rounding with at least radius R. The disclosure is further characterized in that the cone and/or radius R is preferably a cone and/or radius according to a specification and is obtained by means of a material-removing method and/or a non-material-removing method.
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