General description This Draper 5-Piece TCT Ceramic Drill Bit Set (Model 10180) is designed for precision drilling in ceramic, glass, and tile materials. This set includes five ceramic drill bits that provide precise and reliable drilling performance. Made from alloy steel with reinforced tungsten carbide tips, these bits are self-centering and highly durable, making them ideal for drilling ceramics, soft tiles, and non-tempered glass. Technical specifications Set includes 5 drill bits Material: Alloy steel with tungsten carbide tips Self-centering and ultra-tough tips Suitable for ceramics, soft tiles, and non-tempered glass Designed for low-speed drilling Compatible with 10mm and 13mm chucks Installation Insert the desired drill bit into the drill's chuck and tighten securely Use at low speeds for optimal results Usage Mark the drilling point on the material Start drilling at low speed, applying gentle pressure Ensure the drill remains steady and perpendicular to the surface Other