Elevate your drilling efficiency with our High-speed Steel Drill Bit. Experience improved cutting speed, preventing walking, and swift chip removal for seamless drilling operations. Achieve over 16 percent increased metal drill bit efficiency compared to traditional methods. The precision machining of blade edges ensures optimal performance for various drilling tasks. Crafted from high-speed steel material with a titanium coating, our drill bits offer exceptional sharpness and durability. Tackle steel, aluminum, wood, and plastic with ease using these reliable tools. Enjoy fast and smooth drilling on steel, aluminum plates, wood, and plastic with our non-walking drill bits. Say goodbye to wandering drills and experience precise results every time. Explore our range of industrial single drill bits, step drill bit sets, and application-specific drill bit sets. Find the perfect tool for your drilling needs across different scenarios and models. Item Name: Drill Bit Material: High-speed Steel Features: High Durability, Long Lasting, Rustproof Size Details: A, L: 13.5cm/5.31", W: 8.7cm/3.43", H: 1.7cm/0.67" (Approx.) B, L: 15.5cm/6.1", W: 11cm/4.33", H: 3.5cm/1.38" (Approx.) C, L: 18.5cm/7.28", W: 11cm/4.33", H: 5.2cm/2.05" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: Color A: 13 x Drill Bits Or Color B: 19 x Drill Bits Or Color C: 25 x Drill Bits