Helical Solutions 83280 | HSV-R-40187-BN 0.1875" (3/16) Cutter DIA x 0.1875" (3/16) Shank DIA x 0.6250" (5/8) Length of Cut x 2.5000" (2-1/2) Overall Length Carbide Ball End Mill for Stainless and High Temp, 4 Flutes, TPLUS Coated - (HSV-R-40187-BN)Helical Solutions 83280 HSV R 40187 BN 0. 1875" (3 16) Cutter DIA x 0. 1875" (3 16) Shank DIA x 0. 6250" (5 8) Length of Cut x 2. 5000" (2 1 2) Overall Length Carbide Ball End Mill for Stainless and High Temp, 4 Flutes, TPLUS Coated (HSV R 40187 BN). From the Helical Solutions End Mills for Stainless & High Temp 4 Flute Ball Variable Pitch product family.