6pcs HSS Titanium Step Drill Bit With Center Punch Drill Set Hole Cutter Drilling Tool Kit Set
Highlights Product Selling Points: - Step drill bits are versatile and can be used with both metal and wood. - They are especially useful for drilling pilot holes in woodworking and sheet metal-based projects. - With a step drill bit, you can drill holes of multiple sizes using the same bit, making your work more efficient. - They can also 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 this coating can improve tool life two to ten times or more compared to uncoated tools.