HSS Step Drill Bits 4mm-32mm Straight Flute Power Tools Triangle Shank Wholesale Price 15 Steps Metal Drilling Titanium
Highlights Product Selling Points: - Step drill bit can be used for both metal and wood drilling. - Useful for drilling pilot holes in woodworking and sheet metal-based projects. - Allows drilling holes of multiple sizes with the same drill bit. - Can be used to clean away waste material in holes. - Titanium nitride (TiN) coating is wear-resistant, inert and reduces friction. - TiN coating can improve tool life two to ten times, or more, over uncoated tools. - Use TiN coating on cutting tools, punches, dies, and injection mold components.