Our Alloy Solid Carbide Precision 3D Twist Drills are precision ground for smooth cutting and stable chip evacuation. The universal drill series covers a diameter range of 0.1-20 mm and delivers 3xD drilling capability. Manufactured to strict industry standards or custom specifications, suitable for various mold and metal machining applications. These tungsten steel drills offer high-performance cutting and long tool life, ideal for continuous mass production. All drills adopt high-density carbide substrate with precisely ground cutting edges to minimize chipping and breakage. Non-standard sizes and special flute geometries can be customized upon request. Tight diameter tolerance is maintained to ensure consistent hole accuracy.