Helical Solutions 83685 | H45AL-R-30625-R.030 0.6250" (5/8) Diameter x 0.6250" (5/8) Shank x 0.0300" Corner Radius x 3.5000" (3-1/2) OAL x 1.6250" (1-5/8) LOC 3 Flute Uncoated Coated Corner Radius End MillHelical Solutions 83685 H45AL R 30625 R. 030 0. 6250" (5 8) Cutter DIA x 0. 6250" (5 8) Shank DIA x 0. 0300" Radius x 1. 6250" (1 5 8) Length of Cut x 3. 5000" (3 1 2) Overall Length Carbide 45 Degree Helix Corner Radius End Mill for Aluminum, 3 Flutes, Uncoated (H45AL R 30625 R. 030). From the Helical Solutions End Mills for Aluminum 3 Flute Corner Radius 45 Degree Helix product family.