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

Longer life: Thicker web provides greater strength and longer life. 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. Extreme durability: Designed for high performance with stainless steel, high alloy steel and cast iron.