Widin Carbide Drill Single Margin Internal Coolant 8XD TiAlN Coated - 7.7mmThese drills feature a solid carbide construction that ensures durability and long tool life. The TiAlN coating enhances their cutting performance by providing high wear resistance and improved heat resistance, allowing for increased cutting speeds and extended tool life. The single margin design of these drills offers excellent stability and reduces the chances of deviation during drilling. The internal coolant feature allows for efficient chip