Helical Solutions 83071 | HEV-C-SR-50187-R.030 0.1875" (3/16) Diameter x 0.1875" (3/16) Shank x 0.0300" Corner Radius x 2.0000" (2) OAL x 0.4375" (7/16) LOC 5 Flute APLUS Coated Corner Radius End MillHelical Solutions 83071 HEV C SR 50187 R. 030 0. 1875" (3 16) Cutter DIA x 0. 1875" (3 16) Shank DIA x 0. 0300" Radius x 0. 4375" (7 16) Length of Cut x 2. 0000" (2) Overall Length Carbide Corner Radius End Mill for Steel, 5 Flutes, APLUS Coated (HEV C SR 50187 R. 030). From the Helical Solutions End Mills for Steels 5 Flute Corner Radius Chipbreaker Rougher Variable Pitch product family.