Clear Scale: The unique silver-white area and laser engraving logo can quickly and accurately tell you the drilling size, making it more convenient and accurate for you to drill
Application Scope: Meant for drilling steel sheets up to 0.2 in thickness, as well as acrylic, PVC, and wooden boards of the same thickness.
19 Sizes: The bit comes with 19 sizes so you can drill up to 19 holes with different diameters, save the time and energy of replacing the drill bit and improve your drilling efficiency; 19 sizes (3/16", 9/32", 3/8", 7/16", 17/32", 5/8", 11/16", 25/32", 7/8", 29/32". 31/32", 1", 1-1/16", 1-1/8", 1-5/32", 1-7/32", 1-9/32", 1-5/16", 1-3/8")
M2 High Speed Steel: Solid M2 high speed steel construction for extra durability, the 3/8 inch thick hex shank prevents slip in drill chuck and reduces shocks
Double Flute: Double-Fluted design keeps the step drill stable and provides faster cutting and drilling, while minimizing the scattering of steel chips and prolonging the service life