16mm 2 Flute w/3.00mm Radius 30? Helix Carbide End Mill, 38mm LOC, 16mm Shank, 89mm OAL, Bright Finish 38mm LOC,16mm SHANK,89mm OAL Ultra-Tool? Series 330R 2 Flute Corner Radius Carbide End Mill. 30? Right Hand Helix, Right Hand Cut. The industry?s best value in a general purpose design. These end mills are more than capable of handling 75% of milling applications due to robust geometry, quality craftsmanship, and best-in-class Ultra-Grain? carbide substrate. Most importantly, these end mills benefit from the Tool Alliance? duo of proprietary & value-added features: SmoothGrind? & SmoothContricity?. Ultra-Tool? USA Part #31342