Thumbscrew can mean:
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Thumbscrew (torture)
The thumbscrew is a torture instrument which was first used in early modern Europe. It is a simple vice, sometimes with protruding studs on the interior surfaces. The crushing bars were sometimes lined with sharp metal points to puncture the ...
, a screwed device formerly used for torture
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Thumbscrew (fastener)
At a minimum, a screw drive is a set of shaped cavities and protrusions on the screw head that allows torque to be applied to it. Usually, it also involves a mating tool, such as a screwdriver, that is used to turn it. The following heads are ca ...
, a type of screw with a tall head and ridged or knurled sides, or a flat vertical head, intended to be tightened and loosened by hand
See also
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Computer case screws
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 Thread Standard (UTS) originates from the Unit ...
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Wingnut (hardware)
A wingnut, wing nut or butterfly nut is a type of nut with two large metal "wings", one on each side, so it can be easily tightened and loosened by hand without tools.
A similar fastener with a male thread is known as a wing screw or a wing bolt. ...
, a nut with two large metal wings on, intended to be tightened and loosened by hand
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