Keep handy M3 threaded standoffs commonly used in part to install motherboards into the computer chassis
PC Mounting Computer Screws M3 x 1/4in Long Standoff - 50 Pack
This pack of 50 M3 x 1/4in computer screws are great to have on handy for building, repairing, and maintaining computer systems, for mounting any motherboard to your PC chassis or attaching any floppy/CD-ROM/DVD-ROM drives.
StarTech Replacement PC Mounting Metal Jack Screw Standoff - 50 Pack SCREWNUTM
Kreg SML-C250-50 2-1/2-Inch #8 Coarse Washer-Head Pocket Screws, 50 Count
Kreg SML-C125-500 1-1/4-Inch #8 Coarse Pocket Hole Screws with Washer-Head, 500-Pack
Kreg SML-F125-100 1-1/4-Inch 7-Fine Washer-Head Pocket Screws, 100-Count
