Helical Solutions 83584 | H45AL-R-30125-R.020 H45AL-R-30125-R.020 0.1250" Diameter x 0.1250" Shank x 0.0200" Radius x 0.5000" LOC x 2.5000" OAL Carbide 45 Degree Helix 3 Flute ZPLUS Coated Corner Radius End Mill for AluminumHelical Solutions 83584 H45AL R 30125 R. 020 0. 1250" (1 8) Cutter DIA x 0. 1250" (1 8) Shank DIA x 0. 0200" Radius x 0. 5000" (1 2) Length of Cut x 2. 5000" (2 1 2) Overall Length Carbide 45 Degree Helix Corner Radius End Mill for Aluminum, 3 Flutes, ZPLUS Coated (H45AL R 30125 R. 020). From the Helical Solutions End Mills for Aluminum 3 Flute Corner Radius 45 Degree Helix product family.