Helical Solutions 84094 | HSM-016-50187 0.1875" (3/16) Cutter DIA x 0.2500" (1/4) Shank DIA x 0.3120" (5/16) Length of Cut x 2.5000" (2-1/2) Overall Length Carbide Square End Mill for Stainless and High Temp, 5 Flutes, TPLUS Coated - (HSM-016-50187)Helical Solutions 84094 HSM 016 50187 0. 1875" (3 16) Cutter DIA x 0. 2500" (1 4) Shank DIA x 0. 3120" (5 16) Length of Cut x 2. 5000" (2 1 2) Overall Length Carbide Square End Mill for Stainless and High Temp, 5 Flutes, TPLUS Coated (HSM 016 50187). From the Helical Solutions End Mills for Stainless & High Temp 5 Flute Square Variable Pitch product family.