Anfrere Large Step Drill Bit, 1/4 to 2-3/8 inch High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting, Sprial Unibit Extra Large 2-3/8 inch
- High Speed Steel: The ladder drilling group performs well in heat resistance, corrosion resistance and rust prevention. The high speed steel structure ensures high durability..
- Good Adaptability: It can easily drill the size you need by comparing the laser engraving size in the ladder drill slot. Only a small amount of pressure is required to cut steel, metal plates and other surfaces and remove burrs..
- Engraved Sizes - Easily identify which size you need with the contrasted, laser engraved sizes inside the step drill bit flute..
- Fast Chip Removal: Double groove design allows easy particle removal for easy cleaning..
- Versatility and Compatibility: required for manual or professional personnel. The anfrere step drill can quickly drill smooth holes on holes of different diameters such as steel, aluminum, wood and plastic plates..