Premium Material: The wear-proof cobalt drill bit set is made from M35 high-speed steel with 5% cobalt content for exceptional strength. The clean surface and high grinding precision ensure the bits stay sharp even under tough working conditions Efficient Performance: The 135° quick-cut point ensures automatic centering and reduces drift. With a fully ground design for sharp, durable cutting edges and a twisted structure for chip clearance, the metal drill bit enhances drilling speed 29 Sizes Available: The m35 cobalt drill bit set includes a wide range of sizes to meet various needs, from precision tasks to heavy-duty applications. Ideal for DIY, home renovations, and industrial projects, providing precise and efficient drilling

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