Milwaukee SHOCKWAVE™ 11/64" RED HELIX™ Cobalt Drill Bit is designed for exceptional durability and a longer lifespan. This drill bit features the innovative QUAD EDGE™ tip, which provides precise starts with four cutting edges, allowing for faster chip removal and reduced heat buildup. Its Variable Helix™ design includes an aggressive 35° helical angle that tapers to 15°, promoting rapid chip removal and helping the bit maintain its sharpness over time. The internal ENHANCED TAPERED WEB adds strength to minimize premature breakage. for use on wood, plastics, and metals, these titanium drill bits deliver up to five times the life of standard black oxide drill bits. Model Number: 48-89-2308