5/8-18 UNF-2A Thread Dimensions
The 5/8-18 UNF-2A thread is a type of unified thread that is commonly used in various industrial applications. In this article, we will explore the dimensions of the 5/8-18 UNF-2A thread and its significance.
Thread Classification
The 5/8-18 UNF-2A thread belongs to the Unified National Fine (UNF) thread series, which is a standard thread form used in the United States and Canada. The "5/8" in the thread designation refers to the major diameter of the thread, while the "18" refers to the number of threads per inch. The "UNF" indicates that the thread is a Unified National Fine thread, and the "2A" indicates that it is a Class 2A thread, which has a more precise tolerance than a Class 1A thread.
Thread Dimensions
The following are the dimensions of the 5/8-18 UNF-2A thread:
Major Diameter
The major diameter of the 5/8-18 UNF-2A thread is 0.625 inches (15.88 mm).
Pitch Diameter
The pitch diameter of the 5/8-18 UNF-2A thread is 0.583 inches (14.82 mm).
Minor Diameter
The minor diameter of the 5/8-18 UNF-2A thread is 0.546 inches (13.87 mm).
Thread Length
The thread length of the 5/8-18 UNF-2A thread can vary depending on the application, but it is typically between 1/4 inch (6.35 mm) and 2 inches (50.8 mm).
Thread Angle
The thread angle of the 5/8-18 UNF-2A thread is 60 degrees.
Applications
The 5/8-18 UNF-2A thread is commonly used in various industrial applications, including:
- Aerospace Industry: The 5/8-18 UNF-2A thread is used in the aerospace industry for applications such as engine mounts, landing gear, and other structural components.
- Automotive Industry: The 5/8-18 UNF-2A thread is used in the automotive industry for applications such as engine mounts, suspension components, and other structural components.
- Construction Industry: The 5/8-18 UNF-2A thread is used in the construction industry for applications such as anchor bolts, foundation bolts, and other structural components.
Conclusion
In conclusion, the 5/8-18 UNF-2A thread is a common thread size used in various industrial applications. Understanding the dimensions and applications of this thread is essential for ensuring the proper functioning of machines and structures. By following the specifications and standards for the 5/8-18 UNF-2A thread, manufacturers and engineers can ensure the safety and reliability of their products.
