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Miyano BND-51C. I have a sub routine that I run all the time to put ID reliefs inside parts. I temporarily removed that boring bar and put in a live tool holder for slotting key way for a special job. Forgot to swap the tools back and ran the sub routine. Came down and rapid right on top of a set of aluminum jaws at 3000rpm. Shattered the window too. OG name is @buffalo666

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