5/16" COBALT RED HELIX Drill Bit, 48-89-2317

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
• Secure Grip - Prevents bit from slipping in chuck
• VARIABLE HELIX Design for rapid material extraction
• 3-Flat Secure-Grip helps keep the bit fixed within the the chuck
• Designed for Hard Metals, PVC and Wood