Tube Hollows is the world leader in precision, deep-bore gun drilling of standard and specialty metal alloys, including titanium, MP35N, molybdenum, nitinol, inconel, 300 &400 series stainless steel, nickel-based and other non-ferrous materials. We manufacture tubes and parts to extremely tight tolerances for wall uniformity and concentricity, serving industries such as aviation, aerospace, medical devices, and energy.