IRWIN 15101ZR 15101 STEP DRL #1T 1/8-1/2INTIN 13 SZ

The IRWIN Unibit Shank Step Drill Bit is designed for versatility and efficiency, making it an essential tool for both professional and DIY use. Crafted from high-speed steel, this drill bit excels at penetrating thin metals, plastics, wood, and laminates, ensuring a smooth drilling experience. With an innovative design that combines 13 different sizes into a single bit, it acts as a pilot for each subsequent size, saving time and effort on various projects. Its precision control is enhanced by a single-flute cutting edge that creates true round holes, while the titanium nitride coating not only resists heat and friction but also extends the overall lifespan of the tool. Ideal for a range of applications, this step drill bit embodies durability and performance in one compact package.