Milwaukee RED HELIX™ 1/4" 3-Flat Shank Cobalt Drill Bit is engineered for extreme durability and extended life, making it a reliable choice for demanding drilling tasks. Featuring the ENHANCED TAPERED WEB™ design, this drill bit boasts increased flute durability by reinforcing the bit's core. Its VARIABLE HELIX™ design enables fast material extraction with an aggressive 35° helix angle that tapers to 15°, optimizing performance. The 135° SPLIT POINT TIP™ ensures precise starting and reduces walking, while the 3-Flat Secure-Grip™ design keeps the bit firmly secured in the chuck. Additionally, the QUADEDGE TIP™ helps prevent heat build-up, enhancing the bit's longevity and efficiency. Model Number: 48-89-2313