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Screw Thread Charts

When programming screw thread cycles, we need to give the machine a lot of information about the thread. Below are the standard screw thread information charts, feel free to download the graphics from this page and save them for later reference. alternatively, why not grab my free ebook that contains all the less common charts such as BSP, UNCF etc.

Click on the charts to see a larger version.


Metric Coarse Thread Chart

There are two types of metric threads, course and fine, below is the course thread details


Metric Fine Thread Chart

Metric fine thread details


UNF Thread Chart


UNC Thread Chart


BSF Thread Chart


BSW Thread Chart


BA Thread Chart


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