11/16 UNC Thread Dimensions
Overview
The 11/16 UNC thread is a type of thread used in bolts, screws, and other fasteners. UNC stands for Unified National Coarse, which is a standard for thread sizes and pitches in the United States and Canada. In this article, we will discuss the dimensions and specifications of the 11/16 UNC thread.
Thread Dimensions
The 11/16 UNC thread has the following dimensions:
- Major Diameter: 0.6875 inches (17.46 mm)
- Minor Diameter: 0.6250 inches (15.88 mm)
- Pitch: 16 threads per inch (1.588 mm thread pitch)
- Thread Length: Varies depending on the application and type of fastener
Thread Form
The 11/16 UNC thread has a symmetrical V-shaped thread form with a 60-degree angle between the threads. The thread crest is flat and the root is rounded.
Tolerance
The tolerance for the 11/16 UNC thread is as follows:
- Major Diameter: +0.005 inches (-0.13 mm) to -0.010 inches (0.25 mm)
- Minor Diameter: +0.010 inches (-0.25 mm) to -0.005 inches (0.13 mm)
- Pitch: ±0.0005 inches (±0.013 mm)
Applications
The 11/16 UNC thread is commonly used in a variety of applications, including:
- Automotive: Engine mounts, suspension components, and other vehicle parts
- Construction: Bolts and screws for building and bridge construction
- Industrial: Machine parts, pumps, and valves
- Aerospace: Fasteners for aircraft and spacecraft components
Conclusion
The 11/16 UNC thread is a widely used thread size in various industries, including automotive, construction, industrial, and aerospace. Understanding the dimensions, specifications, and tolerances of this thread is crucial for designing and manufacturing fasteners and other components that require precise thread engagement.
