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Product Details
✓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.
✓13-Piece Set with Precise Sizing: Includes drill bits ranging from 1/16" to 1/4" in 1/64" increments, providing a comprehensive selection for precise drilling in metal fabrication, maintenance, and repair applications.