"T" nuts

A type of nut characterized by an inverted "T" shape at the top, allowing the nut to be tightened and loosened without the need for additional tools. The top of the nut has a "T" shape that can be easily rotated with the fingers to tighten or loosen the connection. These nuts are commonly used in applications where frequent assembly and disassembly is required, such as machinery parts and electronic equipment.