Thread, Nut, and Stud Bolt Size for Heavy Hex - Inch

The profiles for the most common Heavy Hex Inch thread pitch on a bolt or nut can be found on the back of the HexSizer. This version is for Heavy Hex Inch sizes which you would find in a refinery, power plant, or on a reactor.  With this tool, you will be able to measure across flats, measure from one flat, identify the circumference of a stud bolt, and determine the thread pitch.