Description of πͺ Chiloskit 3-Piece Titanium-Coated HSS Steel Step Cone Drill Bit Set - Ideal for Drilling Holes in Metal/Wood - Sizes: 4-12/20/32mm
.Automatically Deburrs Holes as you Drill. Two-flute Design Gives You Faster, Smoother Cutting. Titanium Nitride Coating for Cooler Running, can effectively extend the service life of the drill. Widely used to cut holes in a variety of material like steel, wood, thin iron, aluminum alloy,PVC. WIDELY APPLICATION - The step drill bits can be used to chamfer, bur, and drill or enlarge holes. The step drill bits can work with aluminum alloy, plastic material, and wood. (NOT FOR Stainless steel ). 3 sided shanks prevent slippage when in shank.Material : High speed steel .Long life !.