Comparison : Item # HB02500XXX, Hex Bolt, 1/4" Nominal Dia.
Item # HB03125XXX, Hex Bolt, 5/16" Nominal Dia.
Item # HB03750XXX, Hex Bolt, 3/8" Nominal Dia.
Item # HB04375XXX, Hex Bolt, 7/16" Nominal Dia.
Item # HB05000XXX, Hex Bolt, 1/2" Nominal Dia.


Use trailing wildcard (*) for broader results.