IRWIN 10232CB STEP DRL COBALT #2 3/16-1/2″ 6 SZ

Engineered for precision and longevity, this step drill bit from IRWIN is crafted from M35 grade cobalt alloy steel, ensuring exceptional durability and versatility. Its radial concave flute design enhances chip removal, while the speedpoint tip allows for quick and accurate starts, minimizing walk-off. The sizes are laser marked for easy identification, ensuring seamless operation on your projects. With a lifespan that’s six times longer than competitors, this step drill bit stands out as a reliable choice for both professional and DIY applications.