Helical Solutions 83538 | H40ALV-LX-30375-R.125 0.3750" (3/8) Diameter x 0.3750" (3/8) Shank x 0.1250" (1/8) Corner Radius x 4.0000" (4) OAL x 2.0000" (2) LOC 3 Flute ZPLUS Coated Corner Radius End MillHelical Solutions 83538 H40ALV LX 30375 R. 125 0. 3750" (3 8) Cutter DIA x 0. 3750" (3 8) Shank DIA x 0. 1250" (1 8) Radius x 2. 0000" (2) Length of Cut x 4. 0000" (4) Overall Length Carbide 40 Degree Helix Corner Radius End Mill for Aluminum, 3 Flutes, ZPLUS Coated (H40ALV LX 30375 R. 125). From the Helical Solutions End Mills for Aluminum 3 Flute Corner Radius 40 Degree Helix Variable Pitch product family.