10-32 UNF Thread Chart: Understanding Thread Sizes and Measurements
The 10-32 UNF thread chart is a standardized system used to define the dimensions and measurements of threads used in various industries. In this article, we will delve into the world of threads, exploring what 10-32 UNF means, its applications, and providing a comprehensive thread chart for your reference.
What is 10-32 UNF?
10-32 UNF is a thread size designation that follows the Unified National Fine (UNF) system. It consists of three components:
- 10: The major diameter of the thread in inches, which is approximately 0.190 inches or 4.83 mm.
- 32: The number of threads per inch (TPI). In this case, there are 32 threads per inch.
- UNF: The thread series designation, indicating that it follows the Unified National Fine thread standard.
Applications of 10-32 UNF Threads
10-32 UNF threads are commonly used in various industries, including:
- Aerospace: High-strength fasteners for aircraft and spacecraft applications.
- Automotive: Engine mounts, cylinder head bolts, and other high-performance fasteners.
- Industrial: Heavy machinery, pumps, and valves that require high-torque fasteners.
- Electronics: High-reliability connectors and sockets.
10-32 UNF Thread Chart
Here is a comprehensive thread chart for 10-32 UNF threads:
| Major Diameter | Threads per Inch | Thread Length | Tap Drill Size |
|---|---|---|---|
| 0.190 inches (4.83 mm) | 32 | 0.312 inches (7.92 mm) | #21 (1.97 mm) |
Thread Measurements and Tolerances
When working with 10-32 UNF threads, it's essential to maintain precise measurements and tolerances to ensure proper fit and function. Here are some key measurements and tolerances to consider:
- Major diameter: 0.190 inches (4.83 mm) ± 0.001 inch (0.025 mm)
- Minor diameter: 0.156 inches (3.96 mm) ± 0.001 inch (0.025 mm)
- Thread pitch: 0.03125 inches (0.794 mm)
- Thread tolerance: ± 0.0005 inch (0.013 mm)
In conclusion, understanding the 10-32 UNF thread chart and its applications is crucial for industries that rely on high-strength fasteners. By following the standardized measurements and tolerances outlined in this article, you can ensure proper fit, function, and reliability in your projects.
