IRWIN 10231CB STEP DRL COBALT #1 1/8-1/2″ 13 SZ

Experience exceptional drilling performance with the IRWIN Unibit Cobalt Alloy Steel Step Drill. Crafted from M35 grade cobalt alloy high-speed steel, this step drill offers six times the longevity compared to its competitors, ensuring that it can tackle tough materials with ease. The innovative speedpoint tip and radial concave flute design enhance cutting efficiency and decrease the requirement for frequent reaming, allowing you to achieve precise holes in a variety of thicknesses effortlessly. Each size is laser marked for easy identification, making it a reliable choice for professionals and DIY enthusiasts alike.