Helical Solutions 83651 | H45AL-L-30375-R.060 0.3750" (3/8) Diameter x 0.3750" (3/8) Shank x 0.0600" Corner Radius x 4.0000" (4) OAL x 1.5000" (1-1/2) LOC 3 Flute Uncoated Coated Corner Radius End MillHelical Solutions 83651 H45AL L 30375 R. 060 0. 3750" (3 8) Cutter DIA x 0. 3750" (3 8) Shank DIA x 0. 0600" Radius x 1. 5000" (1 1 2) Length of Cut x 4. 0000" (4) Overall Length Carbide 45 Degree Helix Corner Radius End Mill for Aluminum, 3 Flutes, Uncoated (H45AL L 30375 R. 060). From the Helical Solutions End Mills for Aluminum 3 Flute Corner Radius 45 Degree Helix product family.