Milwaukee RED HELIX™ Cobalt Drill Bit Set – 29PC is engineered for extreme durability and long life in hard metal applications. The QUAD EDGE™ tip ensures a precision start with four cutting edges that create smaller chips for faster material removal and reduced heat, leading to improved performance. Featuring a VARIABLE HELIX™ flute that starts with an aggressive 35° helical angle and tapers to 15° for rapid chip removal, these drill bits are built to last with an internal thicker tapered web that significantly increases strength and reduces premature breakage. This set is i for tough metals such as stainless steel, cast iron, and thick metal. MILWAUKEE® RED HELIX™ Cobalt Drill Bits provide up to 15 times the life d to black oxide drill bits. The complete set is neatly organized in a customizable accessory case designed for use in PACKOUT™ systems. Model Number: 48-89-2332