Partly Threaded has an unthreaded region just below the head and afterwards has partial threading alongside the remainder of the human body. The section that isn't threaded is recognized as the grip length. Design: Flange nuts are used in design to fasten structural features which include beams, columns, and braces. https://damienmdqfs.luwebs.com/28800737/the-single-best-strategy-to-use-for-flange-nut