Using Friction to Melt Holes in Steel. AKA Flow Drill (2017x9)
Ausstrahlung: Jan 26, 2017
Why drill when you can melt? These are tungsten carbide friction drills tested in a milling machine. Shop Ruler ✪►https://www.etsy.com/ca/listing/464202928/one-rule-to-ruler-them-all-cheeky-jokes◄✪
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