Dale: ... > Is there not a standard sized screw that should fit all 3.5" and even > 2.5" drives?? ...
The threads used is UNC 6-32 [1] and M3 [2], where the UNC ones are used for 3.5" hard drives and M3 for CD and 2.5" drives. There might be others also, but I havn't seen thoose. The above just tells us how the thread is done, but not how long it is. Regards, /Karl Hammar [1] https://en.wikipedia.org/wiki/Unified_Thread_Standard [2] https://en.wikipedia.org/wiki/ISO_metric_screw_thread