The TCT Annular cutter advantages: Drill holes 3 times faster than twist drills. Drill unique and curved surfaces. Allow overlap cuts on existing holes. Produce reamed quality burr-free holes. Coolant fed cutting edges. Produces solid slug. Reduce machine size and horsepower requirements. Manufactured with C.N.C. accuracy. Resharpenable cutting edges. Eliminate time consuming, costly pilot holes and step drilling.