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.
50 Sizes in 5 Pcs The step drill bit kit includes 5 standard pieces and a center punch (black) with totally 50 sizes for versatility, enough for your DIY needs
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.