Helical Solutions 82872 | HXVR-RN-A-50375-R.040 0.3750" (3/8) Cutter DIA x 0.3750" (3/8) Shank DIA x 0.0400" Radius x 0.5000" (1/2) Length of Cut x 4.0000" (4) Overall Length x 1.6250" (1-5/8) Reach Carbide Corner Radius End Mill for Steel, 5 Flutes,Helical Solutions 82872 HXVR RN A 50375 R. 040 0. 3750" (3 8) Cutter DIA x 0. 3750" (3 8) Shank DIA x 0. 0400" Radius x 0. 5000" (1 2) Length of Cut x 4. 0000" (4) Overall Length x 1. 6250" (1 5 8) Reach Carbide Corner Radius End Mill for Steel, 5 Flutes, APLUS Coated (HXVR RN A 50375 R. 040). From the Helical Solutions End Mills for Steels Multi Flute Corner Radius Knuckle Rougher Variable Pitch Reduced Neck product family.