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melting a hole

 
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is there a name for this technique?

 
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Flow drilling or friction drilling, I believe.

http://m.youtube.com/watch?v=NhkWINPRK3A&desktop_uri=%2Fwatch%3Fv%3DNhkWINPRK3A

Related to friction welding/stir welding.
 
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paul wheaton wrote:is there a name for this technique?



INSANE!!

 
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Thermal drilling. The idea is not just to drill the hole, it's to create a bushing to support a larger, more substantial base for tapping.



Friction Drilling
 
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