Anfrere 12 Sizes Step Drill Bit, 1/4 to 2-3/8 inch Black High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting, Sprial Unibit Extra Large 2-3/8 inch

Features

• HSS Titanium Coating - High speed steel along with titanium coating ensures outstanding durability and sharpness, can reduces the friction, runs cooler
• Meet Your Demands - With the step drill bits we offered, you can process different kinds of diameter holes, which greatly saves you a lot of trouble.Great for steel sheets/ aluminum sheets/ copper/ plastic/ wood board and many other types of sheet metal with ease countersunk. Suitable for Home DIY, and General Building/ Engineering Use
• A Must - Have for Handyman or Professionals - Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper, iron and many other types of sheet metal (excluding steel or any other harder metal)
• Engraved Sizes - Easily identify which size you need with the contrasted, laser engraved sizes inside the step drill bit flute
• Quick Chip Removal - Double flutes design allows the particles escape easily for a clean drilling operation