KATUR Step Drill Bit 4-32mm 15 Step Sizes Two Large Straight Flutes 1 4 Inch Hex Shank for Cutting Drilling Holes on Metal Wood Plastic 4-32mm

Features: Made of high speed steel,hardness and stable. High-speed steel step drill, nice quality and durable. Two spiral flute design gives you faster, smoother cutting. Suitable for punch holes through sheet metal, steel plate, aluminum plate, brass or wood. Specifications: Name:Step Drill Bit Balance: +/- .003"tolerance Material:High-speed Steel,Co (HSS co M35) Surface Treatment: Titanium Coated Color: Red Copper Size4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm); 15 steps Hex Shank Diameter: 6.35mm / 1/4" Package includes: 1 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.