Description of Neiko 10184A Titanium Drill Speed: Enhance Your Drilling Efficiency!
[QUALITY]: The step drill bits are made of classic high-speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal. [135° SPLIT POINT TIP]: The design of the tip angle increases cutting speed with self-centering and prevents walking off the surface of workpiece. [DESIGN]: The two-flute design clears chips faster and allows particles to escape easily making for cleaner holes at the worksite. [TRI-FLATTED SHANK]: Each unibit optimally fits into power tools such as impact drill chucks securely and eliminates slip for higher efficiency of output. [PRECISION]: This drill bit set cuts through steel, sheet metal and other surfaces creating relatively clean holes with only a small amount of pressure and deburrs as you drill. [INCLUDES]: 9 step sizes: 1⁄4 inch, 5/16 inch, 3/8 inch, 7/16 inch, 1⁄2 inch, 9/16 inch, 5/8 inch, 11/16 inch, and 3⁄4 inch.