Types of Fastener Nuts:

1. Hex Nuts:

   • The most common type, hex nuts have a hexagonal shape and are used in various applications.

2. Lock Nuts:

   • Designed to resist loosening under vibration, lock nuts can have various designs, such as nylon inserts or serrated edges.

3. Wing Nuts:

   • Featuring two "wings" for manual tightening and loosening, wing nuts are easy to handle and often used in applications where frequent adjustments are needed.

4. Cap Nuts (Acorn Nuts):

   • These nuts have a rounded top, providing a finished look and protecting threads from damage.

5. T-Nuts:

   • Used in woodworking and furniture, T-nuts have a flange that allows them to be inserted into wood and provide a secure anchoring point.

6. Flange Nuts:

   • With a built-in flange that acts as a washer, flange nuts distribute the load and help prevent loosening.

7. Castle Nuts:

   • These nuts have a notched top that allows a cotter pin to be inserted, preventing loosening in critical applications.

Applications of Fastener Nuts:

1. Construction:

   • Used extensively to secure structural elements in buildings and other construction projects.

2. Automotive:

   • Commonly found in vehicles for securing components, such as engine parts, wheels, and body panels.

3. Manufacturing:

   • Integral to assembling machinery and equipment, where robust fastening is required.

4. Electronics:

   • Used in securing circuit boards, connectors, and other components in electronic devices.

5. Furniture:

   • Often used in the assembly of furniture and cabinetry, providing strong joints.