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- The MILWAUKEE® RED HELIX™ Cobalt 1/4" Drill Bit are engineered for extreme durability and longer life in hard metal applications. The Milwaukee Cobalt drill bits are designed with a VARIABLE HELIX ™ that includes an aggressive 35° Helix Angle which ends at 15°. The drill bits have QUADEDGE TIP™ to decrease heat buildup and drill faster. The 135° split point tip delivers a precision start and prevents walking for fast, accurate holes in Hard Metal, PVC, and wood. The tapered drill bits feature a new ENHANCED TAPERED WEB™ that strengthens the bit's core to increase flute durability. The cobalt twist drill bits are ideal for tough applications, including stainless steel drilling. Pro Packs feature 5 bits of the same diameter, each providing up to 15X life vs. Black Oxide Drill Bits™.
- Includes 5X 1/4" RED HELIX Cobalt Drill Bits
- 15X Life vs. Black Oxide Drill Bits
- 3-Flat Secure Grip For Use In Drill/Drivers
- Optimized For Stainless Steel Drilling in Low Speeds
- Cobalt Alloy For High Performance In Tough Metals
- Ideal for Wood, Plastics, & Hard Metals
- (5) 1/4" RED HELIX Cobalt Drill Bits
- MaterialCobaltManufacturerMilwaukee ToolManufacturer #48-89-2363Nominal Size1/4 in