Helical Solutions 84029 | HSM-016-40187-R.010 0.1875" (3/16) Diameter x 0.2500" (1/4) Shank x 0.0100" Corner Radius x 2.5000" (2-1/2) OAL x 0.3125" (5/16) LOC 4 Flute TPLUS Coated Corner Radius End MillHelical Solutions 84029 HSM 016 40187 R. 010 0. 1875" (3 16) Cutter DIA x 0. 2500" (1 4) Shank DIA x 0. 0100" Radius x 0. 3120" (5 16) Length of Cut x 2. 5000" (2 1 2) Overall Length Carbide Corner Radius End Mill for Stainless and High Temp, 4 Flutes, TPLUS Coated (HSM 016 40187 R. 010). From the Helical Solutions End Mills for Stainless & High Temp 4 Flute Corner Radius Variable Pitch product family.