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Find out the different cross-sectional dimensions of any metric bolt's external thread and nut's internal thread using this thread calculator, given the thread pitch, basic major diameter, and tolerance class details of the threads.
- Pitch Diameter Calculator
Let's say you have a metric thread bolt with an outside...
- Pitch Diameter Calculator
Calculate external and internal metric thread dimensions including major diameter, minor diameter, pitch diameter and thread tolerance according to ISO 724 and ISO 965 standards.
Select your preferred unit of measurement and thread type. The calculator will automatically populate values for critical thread dimensions. These include dimensions such as basic diameter, minor diameter, pitch diameter, tap drill diameter, length of engagement, and more.
The design principles of ISO general-purpose metric screw threads ("M" series threads) are defined in international standard ISO 68-1. Each thread is characterized by its major diameter and its pitch. ISO metric threads consist of symmetric V-shaped thread.
The Metric thread standard ISO 965-2 provides the limits only for classes 6H & 6g*. In all other cases, calculations must be made manually according to the below formulas or by our Threading Calculator. * For threads over 1.4 mm and classes 5H & 6h for threads up to and including 1.4 mm.
To use this metric thread calculator, follow these steps: Enter the nominal diameter (in mm) of the thread. Enter the pitch (in mm) of the thread. Enter the length of the thread (in mm). Select the tolerance class from the dropdown menu. Click the “Calculate” button. View the calculated results in the result text box. How the Calculator Works.
The ThreaDoctor includes 4 sub-apps: Metric Thread Calculator, UN thread Calculator, NPT thread Calculator, and BSP thread calculator. United Inch Screw Threads Per ASME B1.1 UNC – Coarse pitch thread.
