noun
- a type of nut with wings or ridges that can be tightened or loosened by hand without tools
Usage: mechanical; hardware
Examples
- The camera tripod uses a thumbnut to secure the mounting plate.
- Tighten the thumbnut by hand until the clamp is secure.
- The mechanic replaced the regular bolt with a thumbnut for easier adjustment.
- You can loosen the thumbnut without needing a wrench.
- The thumbnut allows for quick assembly and disassembly of the parts.
- Make sure the thumbnut is finger-tight before operating the equipment.