Features: Experience efficient and precise drilling with our Tile Porcelain Drill Bit, featuring a crosses four blade design that enhances cutting power and speeds up drilling tasks. Crafted from high quality carbon steel, this drill bit boasts exceptional wear resistance and durability, ensuring a long service life even when used on hard materials like ceramic and granites. Ideal for DIY enthusiasts, professional tilers, and construction technicians who require reliable tool for drilling into hard surfaces. Perfect for home renovations in bathrooms and kitchens, commercial construction projects, and industrial manufacturing processes involving tiles and ceramics. The shank allows for easy installation on light electric hammer and impact drills, making it a versatile addition to any toolkit. Specifications: Component:Carbon Steel Type:6x110mm/6x160mm/8x160mm/10x160mm/12x160mm/5Pcs Set Handle Diameter:Approx.1cm/0.39inches 6x110mm/0.24x4.33inches 6x160mm/0.24x6.3inches 8x160mm/0.31x6.3inches 10x160mm/0.39x6.3inches 12x160mm/0.47x6.3inches(Optional) Package Includes: 1Pc/5Pcs Set Tile Porcelain Drill Bit note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!