thumb screw
Plural
thumb screws
1
a type of fastener designed with a large, knurled or textured head that can be easily tightened or loosened by hand without the need for additional tools
A thumb screw is a type of screw that has a large, textured head, designed to be tightened or loosened by hand, without the need for tools. The head is usually wide enough for a person to grip and turn with their fingers, making it easy to adjust or remove. Thumb screws are commonly used in situations where frequent adjustments are needed, such as in electronics, machinery, or equipment that needs to be opened or closed often. They provide a quick and convenient way to fasten or unfasten parts.
- The technician used a thumb screw to open the case of the computer without needing any tools.
- He tightened the thumb screw on the shelf to secure it in place.
- The repair manual recommended using a thumb screw to hold the panel in position.
- You can adjust the height of the chair by turning the thumb screw on the side.