Step Drill Bits Nylon Bag Packing 3pcs HSS Straight Grooved Core Cone 1/4 Hex Shank 4mm To 12mm 20mm 32mm Chamfer Hole Cut Cutter

Highlights Product Selling Points: - Step drill bits are versatile and can be used with a variety of materials, including metal and wood. - They are particularly useful for woodworking and sheet metal-based projects, as they can drill pilot holes of multiple sizes with the same bit. - Additionally, they can be used to clean away waste material in holes. - The titanium nitride (TiN) coating on cutting tools, punches, dies, and injection mold components is wear-resistant, inert, and reduces friction. - Using TiN coating can improve the tool life of these components by two to ten times or more compared to uncoated tools. ideal for everyday use. superior materials and excellent craftsmanship ensure long-lasting durability.