Hex machine screw nuts are used for fastening to a bolt when mechanically joining materials together. This type refers to nuts used with smaller machine screw sizes under 1/4 in. Machine screw nuts are designed to be used with machine screws.
- Internally threaded and have a hex drive for nearly all general applications
- Called out size is the inner diameter and the number of threads per inch or thread pitch
- Coarse thread
- Stainless steel