Drilling Hundreds of Holes

 |  |  February 25, 2021

To prove how fast and durable the Kennametal HPR drill bit is, the guys from Titans of CNC: Academy programmed one of their machines to drill a perfect grid of 672 holes in a block of cast iron. The tool moves at an impressive 103 inches-per-minute, drilling 1.85″ deep holes over and over again without wearing down.


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