Ø D 5,5 mm L 93 mm l1 36 mm l 26 mm Weight 0,016 kg Even Teeth 6 Points Material efficient high-speed steel HSS. Left hand helix 7° with uniform spacing. Usage Machine reaming of holes in ferrous and non-ferrous metals, their alloys and plastics. Manufacturing Mode V - ground from solid Surface Treatment without treatment Ø d h9 5,5 mm Tolerance H7