Flow drill bolt
grabcad
This type of bolt is used for flow drilling Flow drilling is a method of making holes in metal in which the material is pushed out of the way with the aid of heat from friction. The process is also called thermal drilling, friction drilling, form drilling, or friction stir drilling. With this type of bolt there no need to pre-drill the hole. The rotating point of the bolt creates so much heat and "melts" the base material while the thread taps direct into the "soft" material. Used in thin tubes and profiles. http://www.ejot.com/ejot.de/FDS%C2%AE--5065.htm http://www.youtube.com/watch?v=NhkWINPRK3A Likes are appreciated.
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