HSS Step Drill Bits 4mm-20mm Straight Flute Power Tools 1/4 Hex Shank Wholesale Price 9 Steps Metal Drilling Titanium
Highlights Product Selling Points: - Step drill bit is versatile and can be used for both metal and wood projects. - It is especially useful for drilling pilot holes in woodworking and sheet metal-based projects. - With its ability to create multiple hole sizes with the same bit, it can also be used to clean away waste material in holes. - The titanium coating, specifically titanium nitride (TiN), makes the bit wear-resistant, inert, and reduces friction. - Using TiN coating on cutting tools, punches, dies, and injection mold components can improve tool life two to ten times or more compared to uncoated tools.