Ø D 3,5 mm L 71 mm l 35 mm Weight 0,004 kg a 2,80 mm Even Teeth 4 Points Material high-speed steel HSS. Workmanship with left hand helix 7° and uniform pitch. Diameter of the shank is equal with øD in tolerance f8. Usage Reaming clear holes by repairing and piece work for all nonferrous metal and ferrous metal, their alloys and plastics. Manufacturing Mode F - milled Surface Treatment without treatment Tolerance H7