The #13 Cobalt Jobber Drill from Field Tool Supply is engineered for high-performance drilling in tough materials. Crafted from premium cobalt steel, this drill bit offers exceptional strength and heat resistance, making it perfect for metalworking tasks. With a 1/4" shank and a length of 3 inches, it fits standard drill chucks seamlessly. The 135-degree split point design allows for quick penetration and minimizes walking, ensuring accuracy. This drill meets ANSI standards, making it a reliable choice for both professionals and DIY enthusiasts.