Milwaukee 48-89-2317 5/16 Thunderbolt Cobalt Drill Bit

Milwaukee® COBALT RED HELIX™ drill bits are engineered for extreme durability and long life in hard metal applications. Designed with a variable helix ™ that includes an aggressive 35° helix angle which ends at 15°, the cobalt bits with RED HELIX™ provide Rapid Chip Removal™ limiting heat buildup to Stay Sharper Longer™. The 135° split point tip delivers a precision start and prevents walking for fast, accurate holes. Ideal for tough applications and provide up to 10X life vs. Black Oxide Drill Bits™ but can be used in all twist drilling applications.

• Extreme durability: Designed for high performance with stainless steel, high alloy steel and cast iron
• Fast, accurate drilling: 135° split point tip starts on contact to prevent walking, while the parabolic flute clears chips fast Reduced slipping: 3-Flat Secure-Grip™ shank holds the bit firmly in the drill chuck
• Longer life: Thicker web provides greater strength and longer life