This is where you see the difference – UNF threads will have more threads per inch than UNC. 3. Use a Thread Gauge: Match the thread to a thread gauge. The gauge will confirm the pitch and whether it’s UNF (fine) or UNC (coarse). 4. Check the Chart: You can refer to a ...
Example - Typical designation of an UNF thread 1/2” x 20 UNF Related Topics Related Documents Search Search is the most efficient way to navigate the Engineering ToolBox. Popular internal searches in the Engineering ToolBox Engineering ToolBox - SketchUp Extension - Online 3D modeling!