Anfrere 3 Sizes M2 Quick Change Step Drill Bit, 7/8", 1-1/8", 1-3/8" Black Cone Drill Bits for Steel Metal Sheet Hole Drilling Cutting, Multiple Hole Sprial Unibit, Stepped Up Bits Home Tools

Features

• 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.
• Size Includes - 3 Sizes 7/8", 1-1/8", 1-3/8" inch can fit the majority of brands currently on the market.
• 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.
• 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.