Experience high-speed drilling with precision and ease using the HSS Titanium Step Drill Bit Set. Made from high quality HSS steel and coated with titanium, these drill bits are perfect for cutting holes in a variety of materials such as steel, brass, wood, and plastic. Their heat-treated and polished design ensures a reduction in both heat and mite, while the 3-sided shank prevents slippage when using a chuck. With a two-flute design, these drill bits provide a faster, smoother, and cleaner cut with each step clearly labeled for depth and diameter. Choose from a variety of sizes, and use them with a range of tools, including pistol drills, hand drills, charging drills, and bench drills. With water injection cooling, these drill bits have an extended service life for continuous drilling. Take your woodworking or DIY projects to the next level with the HSS Titanium Step Drill Bit Set.