StarTech Round Head Replacement 6-32 Hard Drive Mounting Screws - 15 Pack SCREW632R15 Keep handy #6-32 threaded screws commonly used to fasten hard drives, power supplies and expansion cards to the computer chassis Round Head Replacement 6-32 Hard Drive Mounting Screws - Pkg of 15 This pack of 15 #6-32 mounting screws are handy for replacing or adding hard drives to your computer systems.