Cyclone Drill Bits May 26, 2022December 15, 2020 by Etterman Enterprises Just In! NEW Cyclone Drill Bits Unique tip geometry reduces heat generation and cutting tool wear increasing tool life. Easily enlarges existing holes without damaging the point. Split point design gives accurate starting and is self-centering eliminating the need for the use of a center punch. Ideal for hard steel, sheet metal, brass and acrylics. Manufactured in the USASold individually or in 3 different kit sizes! Cyclone 29 Piece Drill Bit Set