Apple 922-9241 Screw, T8, WH, Delta, PT 2.5x6.0mm, Pkg. of 5 for 21.5 inch iMac Late 2009 - 27inch iMac Late 2009 - A1311, A1312 - Apple Screws 922-9241 - iMac (21.5-inch Late 2009), iMac (27-inch Late 2009) Screw, T8, WH, Delta, PT 2.5x6.0mm, Pkg. of 5