Milwaukee SHOCKWAVE™ 4mm RED HELIX™ Titanium Metric Drill Bit is expertly crafted for both impact and drilling applications. Featuring a VARIABLE HELIX™ design with an aggressive 35° Helix Angle that tapers to 15°, these drill bits ensure rapid chip removal to minimize heat buildup and maintain sharpness over extended use. The 135° split point tip precise starting and prevents walking, resulting in fast and accurate hole drilling. With their durable titanium coating, these drill bits provide up to three times longer life d to black oxide drill bits, making them suitable for a wide range of drilling tasks. Model Number: 48-89-4808