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How are hex set screws measured?

February 2, 2023

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Screws and bolts are often recognized by their diameter (thread), pitch, and length. The length is the distance between the top of the strand and the point where the head lays flat on the surface. A screw's size is determined by measuring it from the base of the skull to the end of the thread for hex, pan, truss, button, socket, and button head screws. A pan head screw is…