6-32 thread steel CPU screw.
M4 M4.8 M5 Black or nickel plated steel Fan Screw, also have stainless steel CPU fan screw.
M2 m2.5 m3 m4 m5 hexagon male to female standoff, female to female standoff spacer.
Material can be natural color brass or nickel plated brass.
Metal or plastic thumb screw also avaiale, welcome ask more types and size of the components in computer.