A cap nut
, also known as a acorn nut, is a type of nut with a domed top that covers the threads of a bolt or screw. It is typically used for decorative purposes, as the domed top provides a finished appearance. Cap nuts can also be used to protect the threads of a bolt or screw from damage. They are often made of metal, such as brass, steel, or stainless steel, but can also be made of other materials such as plastic or nylon. Cap nuts are available in a range of sizes and styles to fit different bolts and screws.
The shape of the top provides a finished appearance and can also protect the threads from damage or debris. Cap nuts are commonly used in applications where a smooth, finished look is desired, such as in furniture or automotive parts. They are available in a variety of materials, including steel, stainless steel, and brass.
The cap covers the threads of the nut and provides a finished appearance. Cap nuts
are commonly used in applications where the exposed threads of the nut would be unsightly or could cause injury. They are often used in conjunction with a hex or a wing nut to provide a finished look to a mechanical assembly.
They have several features that make them useful in certain applications:
Aesthetics: The dome-shaped top gives a finished, clean appearance, making them popular in applications where appearance is important.
Protection: The dome-shaped top can protect the threaded end of the bolt or stud from damage or debris.
Tamper resistance: The dome-shaped top can make it difficult for someone to access the threaded end of the bolt or stud, making them suitable for use in applications where tamper resistance is important.
Material: Cap nuts are available in a variety of materials such as steel, stainless steel, brass, and plastic.
Standard size: They come in standard sizes and thread pitches, making them compatible with a wide range of bolts and studs.
Easy to use: They are easy to install and remove with standard tools.