DELL OPTIPLEX DIMENSION SYSTEM CASE CHASSIS SCREWApprx. 5/16" long, Philips hex head.These are special screws (fine thread)used in Dell Optiplex/Dimension system for the optical/floppy drives. They are a little longer than the standard screw to allow the drives to slide into the tracks and be latched to the drive release.
This listing is for4 screws. If you need set of 3 screws, please check outour other listing.

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