Computer case screws
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Computer case screws are the hardware used to secure parts of a PC to the case. Although there are numerous manufacturers of computer cases, they have generally used three thread sizes. The Unified Th
From left to right: a #6-32 UNC thumbscrew, a #6-32 UNC screw, an M3 screw and a self-tapping screw for case fans
Various types of motherboard standoffs
A male DE-9 connector showing hex jackposts on either side of the D-shell. Note the limited clearance.
Close-up of a #6-32 UNC screw with a flanged hex/Phillips head, commonly provided in PC cases
Self-tapping screw
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A self-tapping screw is a screw that can tap its own hole as it is driven into the material. More narrowly, self-tapping is used only to describe a specific type of thread-cutting screw intended to pr
Computer case screws
…From left to right: a #6-32 UNC thumbscrew, a #6-32 UNC screw, an M3 screw and a self-tapping screw for case fans Computer case screws are the hardware used to secure parts of a PC to the case. Although there are numerous manufacturers of computer…
Two thread-forming self-tapping screws with different heads. The countersunk head has a Pozidriv recess.
Self-tapping screw with flute and type B (blunt) tip