The Milwaukee® 1-3/4 In. One-Piece Carbide Cutters Feature 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 In. Depth, While A 3-Flat Shank Optimizes Each Cutter Drill Bit For Use In Drill/Drivers. The Spring-Loaded Pilot Bit Provides Complete Plug Ejection For Clean, Efficient Cutting Of Each Hole. The Solid One-Piece Design Of Each Hole Cutter Provides Added Durability