20mm High Performance PCD 3FL Coolant Fed Slot Drill For Aluminum & Composites, 20mm LOC, 50mm Reach, 150mm OAL 20MM LOC,20MM SHANK,150MM OAL DL 100 X2 PCD (Polycrystalline Diamond) Coated, Right Hand Cutting, Non-Helical Flutes, Center Cutting Carbide Coolant Fed 3 Flute End Mill or Slot Drill with .10mm Corner Radius, Extended Neck Relief & Plain Cylindrical Shank for High Performance High Speed Slotting, Roughing, Ramping, Plunging, Helical Interpolation, Copy Milling and Finishing Aluminum, Graphite and Composite Materials Series 5496 Guhring Part #9054960200010