.250-20 UNC: Understanding the Thread Standard
The .250-20 UNC thread standard is a type of thread used in various applications, including industrial manufacturing, construction, and engineering. In this article, we will delve into the details of the .250-20 UNC thread standard, its characteristics, and its uses.
What is .250-20 UNC?
The .250-20 UNC thread standard is a type of Unified National Coarse (UNC) thread, which is a widely used thread standard in the United States and Canada. The "250" in .250-20 UNC refers to the major diameter of the thread, which is 0.250 inches or 6.35 mm. The "20" refers to the number of threads per inch (TPI), which is 20 threads per inch.
Characteristics of .250-20 UNC
The .250-20 UNC thread standard has several key characteristics that make it suitable for various applications:
- Major diameter: 0.250 inches or 6.35 mm
- Threads per inch (TPI): 20 threads per inch
- Thread pitch: 0.050 inches or 1.27 mm
- Thread form: UNC (Unified National Coarse)
- Thread class: 2A (standard class)
Applications of .250-20 UNC
The .250-20 UNC thread standard is commonly used in various industries, including:
- Industrial manufacturing: The .250-20 UNC thread is often used in industrial manufacturing applications, such as machinery, equipment, and tooling.
- Construction: The thread is used in construction applications, such as building hardware, fasteners, and anchors.
- Engineering: The .250-20 UNC thread is used in various engineering applications, including mechanical engineering, aerospace engineering, and automotive engineering.
Benefits of .250-20 UNC
The .250-20 UNC thread standard offers several benefits, including:
- High strength-to-weight ratio: The thread provides a high strength-to-weight ratio, making it ideal for applications where weight and strength are critical.
- Easy assembly: The UNC thread form makes assembly and disassembly easy and convenient.
- Wide availability: The .250-20 UNC thread standard is widely available, making it easy to source components and materials.
Conclusion
In conclusion, the .250-20 UNC thread standard is a widely used thread standard in various industries, including industrial manufacturing, construction, and engineering. Its characteristics, including major diameter, threads per inch, and thread pitch, make it suitable for applications where high strength-to-weight ratio and ease of assembly are critical.
