Irwin 3/16 x 6 in. M-2 Black Oxide Extended Length Drill Bit is for drilling in hard-to-reach areas and is i for running wires and cables. Crafted from M-2 high speed steel, this drill bit an excellent balance of strength, heat resistance, and wear resistance to ensure durability and long-lasting performance. Its black oxide coating helps resist corrosion, extending the life of the bit. The 135-degree split point design s a true start, preventing bit walking for precise drilling. Suitable for general use in wood, metal, and plastic, this drill bit combines versatility with high performance for a variety of projects. Model Number: 66712