Century Drill & Tool, 26315, 15 PC Set,Jobber Drill Bit,ProGrade, Cobalt Steel, High Speed Drill Bit Pack

Designed to Cut the Hardest Metals with Ease: Crafted from durable M35 steel with 5% cobalt, these professional-grade drill bits are built to handle extremely hard metals—including stainless steel, cast iron, and other high-tensile alloys—with superior strength and durability. 135° Quick-Cut Points for Accurate, Effortless Starts: Each bit features Century’s precision-engineered 135° quick-cut tip, designed to self-center and penetrate quickly with less pressure—eliminating the need for a center punch and reducing walking or wandering during starts. Exceptional Heat Resistance for High-Speed Drilling: These cobalt bits are optimized for power tools operating at 1,500 RPM or higher, providing long-lasting edge retention and performance under intense heat and demanding conditions. Heavy-Duty Set for Professional-Grade Performance: Ideal for machinists, metalworkers, and serious DIYers, this cobalt drill bit set delivers precision, efficiency, and long tool life—making it a must-have addition to any well-equipped tool kit. Wide Range of Sizes for Precision Work: This set includes 15 drill bits ranging from 1/16" to 1/4" in 1/64" increments, providing the perfect selection for precision drilling in fabrication, automotive, construction, and repair applications.