Widin Carbide Drills Through Coolant 5xD AlTiN Coated - 9.3mmThese drills feature a solid carbide construction, ensuring excellent durability and long tool life. The AlTiN coating enhances their cutting performance by providing increased wear resistance, improved chip flow, and reduced friction, resulting in extended tool life and higher cutting speeds. The through coolant capability of these drills allows for efficient chip evacuation and effective cooling, minimizing heat build up and ensuring consistent