The CUT-ANN COBALT(144) drill bit measures 1-3/8" x 1" and is designed for precision drilling in tough materials. Made from high-speed cobalt steel, this bit offers superior durability and heat resistance, making it ideal for heavy-duty applications. Its unique cutting geometry ensures efficient chip removal and reduced friction, enhancing performance. This drill bit is perfect for use in metalworking, construction, and fabrication industries, providing reliable results in various materials. Compatible with standard drill chucks, it meets industry standards for quality and performance.