STI™ Series DrillsCustom Carbide DrillsCarbide Drill SharpeningCustom Tool Sharpening Specialty Tools Inc. Cutting Tool and Carbide Drill Experts Experience superior drilling efficiency with our flagship 2002 Series™ high-precision, three-flute, solid carbide drills—the gold standard in precision. Crafted from ultra-fine-grain premium-grade carbide substrate, these three-flute solid carbide drills set the gold standard for efficiency. Their unique design removes more material per revolution compared to traditional two-flute drills, ensuring optimal toughness and wear resistance. The three-flute construction not only facilitates straighter tracking within the hole but also enables seamless starts and finishes on uneven surfaces, making them ideal for handling interrupted cuts with minimal deflection.