Bosch CO2147 5/16″ Cobalt Sp Jobber Drill Bit (Carded)

Engineered for durability and precision, the 5/16-inch by 4-1/2-inch cobalt drill bit from Bosch is an essential tool for professionals and enthusiasts alike. Its robust construction allows it to withstand high-temperature applications, reaching up to 1,100°F, making it ideal for working with a variety of tough materials such as light-gauge metal, high-carbon steel, aluminum, cast iron, stainless steel, and titanium. The bit’s surface has been hardened to ensure penetration through abrasive materials, while the rigid, thick web design provides added stability for challenging drilling tasks. Complemented by a 135° drill point angle, this jobber-length twist drill bit is sure to deliver reliable performance across demanding projects.