Helical Solutions 83780 | HPCM60-20125 0.1250" (1/8) Shank DIA x 60° Included Angle x 1.5000" (1-1/2) Overall Length X 0.0100" Tip DIA Carbide Chamfer Mill, 2 Helical Flutes, APLUS Coated - (HPCM60-20125)Helical Solutions 83780 HPCM60 20125 0. 1250" (1 8) Shank DIA x 60 Degree Included Angle x 1. 5000" (1 1 2) Overall Length X 0. 0100" Tip DIA Carbide Chamfer Mill, 2 Helical Flutes, APLUS Coated (HPCM60 20125). From the Helical Solutions Specialty Profiles Chamfer Mills Helical Flute 2 & 4 Flute High Performance Pointed product family.