Widin Carbide Drills Solid 3xD AlTiN Coated - 15.1mmMade from solid carbide, these drills offer exceptional hardness and durability, ensuring long tool life and consistent performance. The AlTiN coating further enhances their performance by providing high heat resistance and reducing friction, resulting in improved chip evacuation and reduced tool wear. The 3xD length design offers a balance between rigidity and versatility, making these drills suitable for a wide range of drilling depths.