The PowerCraft Drill Bit Package Aggressor (Cobalt) is a heavy-duty drilling solution engineered for superior performance on hard metals and demanding applications. Made from premium cobalt high-speed steel (HSS), these drill bits offer exceptional heat resistance, durability, and longer cutting life compared to standard drill bits. The fully grounded design ensures precise drilling accuracy, smoother cutting action, and reduced friction for cleaner and faster results. Ideal for use on stainless steel, alloy steel, cast iron, and other tough materials, the Aggressor (Cobalt) drill bits are perfect for professional contractors, metal fabricators, and serious DIY users seeking reliable, high-performance drilling tools. Available in a wide range of sizes and set configurations for versatile workshop and industrial use.