8-32 is a designation for a screw with a diameter of 5/32 of an inch and a thread pitch of 32 threads per inch. The first number in the screw size, "8", indicates the diameter of the screw. The second number, "32", indicates the thread pitch of the screw, which is the distance between threads on the screw.
Screws with a diameter of 8/32 of an inch and a thread pitch of 32 threads per inch are commonly used in the United States. They are considered to be a medium-sized screw and are often used in applications where a balance between strength and ease of installation is desired. Some common applications for 8-32 screws include electronics, automotive, and furniture manufacturing.