was drilling a 5/8 inch hole thru 1/2 inch thick stainless, piece grabbed the bit and came out of vise. ishut down drill press, then the spinning piece caught my sleeve sucked my arm in and wrapped it around i heard the bones snap. both bones in the left forearm broke. its in splint now go see ortho guy tommorow. hope he just casts it. guess my hunting season is over.