The MILWAUKEE® One-Piece Carbide Cutter 4-Piece Set features carbide teeth for longer life and smooth cuts in stainless steel and other hard metals. Each cutter features a stop shoulder design that prevents over-drilling and limits cuts to a 3/16" depth, while a 3-flat shank optimizes each cutter drill bit for use in D Milwaukee 49-22-8610 - One-Piece Carbide Hole Cutter Set: 4PC