Helical Solutions 83671 | H45AL-LX-30500-R.030 0.5000" (1/2) Diameter x 0.5000" (1/2) Shank x 0.0300" Corner Radius x 5.0000" (5) OAL x 2.5000" (2-1/2) LOC 3 Flute Uncoated Coated Corner Radius End MillHelical Solutions 83671 H45AL LX 30500 R. 030 0. 5000" (1 2) Cutter DIA x 0. 5000" (1 2) Shank DIA x 0. 0300" Radius x 2. 5000" (2 1 2) Length of Cut x 5. 0000" (5) Overall Length Carbide 45 Degree Helix Corner Radius End Mill for Aluminum, 3 Flutes, Uncoated (H45AL LX 30500 R. 030). From the Helical Solutions End Mills for Aluminum 3 Flute Corner Radius 45 Degree Helix product family.