Milwaukee SHOCKWAVE™ 4.5mm RED HELIX™ Titanium Metric Drill Bit is expertly designed for both impact and drilling applications, ing superior performance and durability. This drill bit features a VARIABLE HELIX™ design with an aggressive 35° helix angle that tapers to 15°, promoting rapid chip removal to reduce heat buildup and maintain sharpness over extended use. The 135° split point tip ensures precise starting and prevents walking, allowing for fast and accurate hole drilling. Coated with durable titanium, these drill bits provide up to three times longer life d to black oxide drill bits, making them i for a wide variety of drilling tasks. Model Number: 48-89-4810