High Speed Steel Hex Shank Twist Drill Bits Set with Titanium Coating

High Ranking Material &Titanium Coating - Industrial 4341 high-speed steel, harder than 4241 HSS and ensures stronger drilling capacity. Titanium coating provides high wear resistance and life-long; Fully Ground Process & 135° Split Point - Fully ground spiral flute design removes chips quickly, reduces friction and heat generation, and provides faster, cooler, and more efficient drilling performance. 135° Split Point with straight shank prevents slippage and makes drilling stable and precise. No need for a center punch; Quick Release - A 1/4" hex shank-based design fits most power drills, press drills, impact drivers, screw guns, right-angle drills, and electric screwdrivers' chunks. High adaptability, easy installation, and stable structure ensure drilling without slippage and shedding; Multiple Applications -  Great for wood, plastic, steel plate ≤within 5mm, and soft metals drilling.  Not used for glass, ceramic or concrete drilling.