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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
Since this is a callout for a metric bolt thread, our first...
- Pitch Diameter Calculator
Metric thread calculator to 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. There are two calculation options available, general engineering use or custom use.
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 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.
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.
Follow these steps: Enter the Nominal Diameter: Input the outer diameter of the thread in millimeters. Enter the Pitch: Specify the distance between threads in millimeters.
Our user-friendly metric thread chart offers comprehensive specification data for various metric screw sizes. Our thread size chart covers M1.6 up to M68.
