HSS 5PCS Titanium Step Drill Bit Set, 50 Sizes in 5 High Speed Steel Unibit Drill Bits Set for Sheet Metal with Aluminum Case, Multiple Hole Stepped Up Bits for DIY Lovers
Extreme Durability: The titanium coating on cobalt high speed steel drill bits offers extreme durability, ensuring that they will continue to look brand-new for years to come.
Drilling Holes of Various Sizes: Various shank sizes provide compatibility with 1/4, 3/8, and 1/2 in. chuck sizes. You have the ability to drill holes of various sizes to accommodate your typical needs.
Smooth Drilling: Non-walking drill tips allow for quick and smooth drilling on materials like steel, aluminum, wood, and plastic (note that the board's thickness must be less than the height of the step drill bits).
Use a center punch to designate the location where the hole will be drilled to make drilling simpler and extend the life of the drill bit.
Maintain Step Drill Bits Well Organized: All the bits are packaged in a case that is clearly labeled for simple storage and transportation.
