Helical Solutions 82831 | H40ALV-RN-ML-30375-R.015 0.3750" (3/8) Diameter x 0.3750" (3/8) Shank x 0.0150" (1/64) Corner Radius x 5.0000" (5) OAL x 0.5000" (1/2) LOC 3 Flute Uncoated Coated Corner Radius End MillHelical Solutions 82831 H40ALV RN ML 30375 R. 015 0. 3750" (3 8) Cutter DIA x 0. 3750" (3 8) Shank DIA x 0. 0150" (1 64) Radius x 0. 5000" (1 2) Length of Cut x 5. 0000" (5) Overall Length x 2. 5000" (2 1 2) Reach Carbide 40 Degree Helix Corner Radius End Mill for Aluminum, 3 Flutes, Uncoated (H40ALV RN ML 30375 R. 015). From the Helical Solutions End Mills for Aluminum 3 Flute Corner Radius 40 Degree Helix Variable Pitch Reduced Neck product family.