5PCS Step Set HSS Metric Straight Flute Drill for Drilling Steel Plate
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Feature: 1. High speed steel along with the ti coating ensures extreme durability, will stay new and shiny for years to come. Cobalt coated to reduce friction and run cooler. 2. Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in chuck sizes. Self starting, no need for a pilot hole. 3. Suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc. (the board must be smaller in thickness than the height of step drill bits). 4. Automatically deburrs holes as you drill. Please marking the spot that you are to drill for easier drilling and improved drill bits life. 5. Includes protective padded aluminum case. All the bits come in a well-organized case for easy transport and storage. Specif
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