QUAD EDGE TipT delivers precision and stays sharper longer. Thicker tapered web design increases bit strength. VARIABLE HELIXT flute on driver bit allows for rapid chip removal. The MILWAUKEE® RED HELIXT 29PC Cobalt Drill Bit Set is engineered for extreme durability and long life in hard metal applications. The QUAD EDGET tip delivers a precision start and features four cutting edges to create smaller chips for faster material removal and less heat leading to improved performance. Designed with a VARIABLE HELIXT flute that begins with an aggressive 35° helical angle and ends at 15° for rapid chip removal. The bit also features an internal thicker tapered web that greatly increases strength, reducing premature breakage. Ideal for various tough metal applications including but not limited to Stainless Steel, Cast Iron, and Thick Metal. MILWAUKEE® RED HELIXT Cobalt Drill Bits provide up to 15X life vs. Black oxide drill bits. The set is organized in a customizable accessory case designed for use in PACKOUTT. RED HELIXT Technology combines QUAD EDGET Tip, VARIABLE HELIXT Flute, and thicker tapered web. QUAD EDGE TipT Stays Sharper Longer. VARIABLE HELIXT flute designed for rapid chip removal. Cobalt for 15X Life vs. Black Oxide Drill Bits. 3-FLAT SECURE-GRIPT prevents bit from slipping in chuck. Designed for use with Drill Drivers. Ideal for use in Hard Metals such as stainless steel, cast iron & black pipe as well as wood & plastics. Laser etched size for easy identification. Customizable accessory case is designed for use in PACKOUTT. Includes: (1) 1/16″ Drill Bit (48-89-2301), (1) 5/64″ Drill Bit (48-89-2302), (1) 3/32″ Drill Bit (48-89-2303), (1) 7/64″ Drill Bit (48-89-2304), (2) 1/8″ Drill Bit (48-89-2305), (1) 9/64″ Drill Bit (48-89-2306), (1) 5/32″Drill Bit (48-89-2307), (1) 3/16″ Drill Bit(48-89-2309), (1) 7/32″ Drill Bit (48-89-2311), (2) 1/4″ Drill Bit (48-89-2313), (1) 5/16″ Drill Bit (48-89-2317), (1) 3/8″ Drill Bit (48-89-2321), (1) 1/2 Drill Bit(48-89-2329).