Features: Experience efficient cutting with our Hex Shank Four Flute Eccentric Drill Bits, designed to enhances drilling speed on tiles, marble, ceramics, and concrete. Featuring a double U shaped carbide tip, these drill bits offer high hardness, sharpness, and wear resistance, while the hex shank anti slip design ensures strong stability. Ideal for woodworkers, DIY enthusiasts, and professional renovators, this set meets diverse drilling needs. Perfect for drilling tasks in wood, plastic, and other materials, these bits are suitable for both home and construction site use. The sawtooth eccentric structure minimizes jamming and boosts work efficiency, making it a reliable choice for demanding projects. Specifications: Component: Hard Alloy Color: As pictures shown. Optional Diameter: 6mm, 8mm, 10mm, 12mm Size 6mm: 98x6mm/3.86x0.24in Size 8mm: 115x8mm/4.53x0.32in Size 10mm: 121x10mm/4.76x0.39in Size 12mm: 121x12mm/4.76x0.47in Quantity: 5pcs Package Includes: 5pcs Four Flute Saw Tooth Drill Bits note: Please allow 0-2cm error due to manual measurement. Please make sure you do not mind before you bid. The color may Please allow 0-2cm error due to manual measurement. Please make sure you do not mind before you bid.