An installation system for installing a structural member (102, 202, 402, 620, 710, 800, 900) with a radial flange into an opening in a workpiece (104, 204, 404, 630, 720, 840), comprising: a mandrel (106, 408, 522) coupleable to an installation tool (520, 810), the mandrel (106, 408, 522) having a major circumference portion sized to radially expand the structural member (102, 202, 402, 620, 710, 800, 900); and an alignment device (300, 412, 502, 600, 730, 824, 916) configured to align the mandrel (106, 408, 522) with the structural member (102, 202, 402, 620, 710, 800, 900) when the mandrel (106, 408, 522) radially expands the structural member (102, 202, 402, 620, 710, 800, 900), the alignment device (300, 412, 502, 600, 730, 824, 916) comprising: an outer surface, an inner surface (304, 407) opposing the outer surface, the inner surface (304, 407) forming a passage through the alignment device (300, 412, 502, 600, 730, 824, 916), the passage having a circumference smaller than a major circumference of the mandrel (106, 408, 522); characterized in that the alignment device (300, 412, 502, 600, 730, 824, 916) comprises an amount of material comprising the inner surface (304, 407) and a region located adjacent the inner surface (304, 407), the material is elastically deformed when the material is radially expanded by the major circumference portion of the mandrel (106, 408, 522). a mandrel (106, 408, 522) coupleable to an installation tool (520, 810), the mandrel (106, 408, 522) having a major circumference portion sized to radially expand the structural member (102, 202, 402, 620, 710, 800, 900); and an alignment device (300, 412, 502, 600, 730, 824, 916) configured to align the mandrel (106, 408, 522) with the structural member (102, 202, 402, 620, 710, 800, 900) when the mandrel (106, 408, 522) radially expands the structural member (102, 202, 402, 620, 710, 800, 900), the alignment device (300, 412, 502, 600, 730, 824, 916) comprising: an outer surface, an inner surface (304, 407) opposing the outer surface, the inner surface (304, 407) forming a passage through the alignment device (300, 412, 502, 600, 730, 824, 916), the passage having a circumference smaller than a major circumference of the mandrel (106, 408, 522); characterized in that the alignment device (300, 412, 502, 600, 730, 824, 916) comprises an amount of material comprising the inner surface (304, 407) and a region located adjacent the inner surface (304, 407), the material is elastically deformed when the material is radially expanded by the major circumference portion of the mandrel (106, 408, 522). an outer surface, an inner surface (304, 407) opposing the outer surface, the inner surface (304, 407) forming a passage through the alignment device (300, 412, 502, 600, 730, 824, 916), the passage having a circumference smaller than a major circumference of the mandrel (106, 408, 522); characterized in that the alignment device (300, 412, 502, 600, 730, 824, 916) comprises an amount of material comprising the inner surface (304, 407) and a region located adjacent the inner surface (304, 407), the material is elastically deformed when the material is radially expanded by the major circumference portion of the mandrel (106, 408, 522).