UNF-3A Thread Dimensions: Understanding .875-14 UNF-3A
The .875-14 UNF-3A thread is a specific type of thread used in various applications, including aerospace, automotive, and industrial manufacturing. In this article, we will explore the dimensions and characteristics of the .875-14 UNF-3A thread.
Thread Description
The .875-14 UNF-3A thread is a type of Unified National Fine (UNF) thread, which is a standard thread form used in the United States and Canada. The "14" in the thread designation refers to the number of threads per inch, and the "UNF-3A" indicates that it is a Class 3A thread, which has a higher precision and accuracy than other classes.
** Dimensions **
The following are the dimensions for the .875-14 UNF-3A thread:
Major Diameter
The major diameter of the .875-14 UNF-3A thread is 0.875 inches (22.23 mm).
Minor Diameter
The minor diameter of the .875-14 UNF-3A thread is 0.806 inches (20.49 mm).
Pitch
The pitch of the .875-14 UNF-3A thread is 0.071429 inches (1.814 mm).
Thread Length
The thread length of the .875-14 UNF-3A thread can vary depending on the specific application, but it is typically between 1/4 inch (6.35 mm) and 1 inch (25.4 mm).
Thread Characteristics
The .875-14 UNF-3A thread has several characteristics that make it suitable for specific applications:
Thread Form
The thread form of the .875-14 UNF-3A thread is a V-form with a 60-degree angle between the two sides of the thread.
Thread Class
The .875-14 UNF-3A thread is a Class 3A thread, which means it has a higher precision and accuracy than other classes.
Material
The .875-14 UNF-3A thread is typically made from high-strength materials, such as steel or titanium, to ensure durability and resistance to corrosion.
Applications
The .875-14 UNF-3A thread is commonly used in various applications, including:
Aerospace
The .875-14 UNF-3A thread is used in aerospace applications, such as in aircraft and spacecraft, where high-strength and precision threads are required.
Automotive
The .875-14 UNF-3A thread is used in automotive applications, such as in engine components and suspension systems, where high-strength and durability are critical.
Industrial
The .875-14 UNF-3A thread is used in industrial applications, such as in machinery and equipment, where high-strength and precision threads are required.
In conclusion, the .875-14 UNF-3A thread is a specialized thread form with specific dimensions and characteristics that make it suitable for various applications. Understanding the dimensions and characteristics of this thread is essential for ensuring proper fitment and performance in critical applications.
