T slot cutter High Speed Steel, 6, 8, 10 and 12 Flutes. Standard tooth or Staggered Tooth. Weldon shank or threaded shank. Used for T shaped heads on existing mill slots. Dia T dia1 shank dia total 16 6.5 7 10 85 19 9 9 12 85 22 9 11 16 90 22 10 11 16 90 23 10.5 9 16 110 25 11 13 16 110 28 12 14 20 110 31 12.5 16 25 110 35 14.5 19 25 110