Step Drill Bit 3Pcs Hss Step Drill Bit Set Cone Hole Cutter Taper Metric Nitriding Hex Core Drill Gold

Prefect for Soft Metal Sheet/Wood/Plastic/Aluminum Sheet/Copper and many other type of sheet metal.Suitable DIY General Building and Engineering Use. Two-Flute Design Gives You Smoother Cutting. T-itanium Nitride Coating for Cooler Running. High Speed Steel 4241 for . These Step Drill Are perfect for of Materials From Metal Plastic Fiberglass to Wood. Colour:gold Material:high speed steel Package Contents: 3 * Step Drill Only the above package content other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.