Flow drill bolt
grabcad
This bolt type is specifically designed for flow drilling, a method that employs heat from friction to create holes in metal without prior pre-drilling. Also known as thermal drilling, friction drilling, form drilling, and friction stir drilling, this process enables the rotating bolt point to generate enough heat to "melt" the base material while its thread taps directly into the softened area. Ideal for use in thin tubes and profiles, flow drilling bolts eliminate the need for pre-drilling holes. While more information can be found on this topic at http://www.ejot.com/ejot.de/FDS%C2%BC--5065.htm and through video demonstrations available at http://www.youtube.com/watch?v=NhkWINPRK3A, your likes are greatly appreciated.
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