3Pcs Hss Titanium-Coated Spiral Groove Step Drill Bit 3-12 4-12 4-20 Power Tool Step Drill Bits Set Metal Multi-Hole Taper Drill

Feature: High-speed steel, high quality with good durability for you to use Professional drill for deburring, chamfering, elliptic hole enlargement Suitable for punch holes through sheet metal, steel plate, aluminum plate, brass or wood This drill bit set includes 3 sizes(3-12mm, 4-12mm, 4-20mm), which meet your different needs perfectly Specifications: Finish:Titanium Type:Step Drill Head Type:Hexagon Shank Material:High-speed steel 4241 Surface Treatment:Titanium coated Size:As the picture show Package include: 3Pcs/set x step drill bit Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!! Compare the detail sizes with yours, please allow 1-3mm differs due to manual measurement, thanks! The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.