Helical Solutions 82873 | HXVR-RN-M-40500-R.040 0.5000" (1/2) Cutter DIA x 0.5000" (1/2) Shank DIA x 0.0400" Radius x 0.6250" (5/8) Length of Cut x 4.0000" (4) Overall Length x 2.2500" (2-1/4) Reach Carbide Corner Radius End Mill for Steel, 4 Flutes,Helical Solutions 82873 HXVR RN M 40500 R. 040 0. 5000" (1 2) Cutter DIA x 0. 5000" (1 2) Shank DIA x 0. 0400" Radius x 0. 6250" (5 8) Length of Cut x 4. 0000" (4) Overall Length x 2. 2500" (2 1 4) Reach Carbide Corner Radius End Mill for Steel, 4 Flutes, APLUS Coated (HXVR RN M 40500 R. 040). From the Helical Solutions End Mills for Steels Multi Flute Corner Radius Knuckle Rougher Variable Pitch Reduced Neck product family.