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Determining the thread of an inch screw

Here is an example of the description of an American standard coarse thread



Table determining the thread of an inch screw


  in millimeters in inches
Thread diameters 6,35 mm 1/4"
Open up the conversion table ( also refer to below)
Pitch (threads per 1") Example of a metric thread
1,0
Example of an American inch thread
20 Gang - UNC
Open up the USA thread table or the GB thread table ( also refer to below)
Length 25,4 mm 1"
Open up the table of standard length ( also refer to below)

> Conversion table
> USA thread table
> GB thread table
> Standard lengths