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Introducing the ultimate screw machine drill bit by Chicago-Latrobe! Made from high-quality high-speed steel (HSS), this drill bit features a bright finish that ensures consistent performance even after resharpening, while its spiral-flute design effectively evacuates chips as it drills into various workpieces. Available in 7/16 inch size with decimal equivalent of 0.4375 inches and fractional inch measurement system, this screw machine drill bit is perfect for precision machining applications in industries like manufacturing, construction, and automotive repair. Whether you're a professional mechanic or DIY enthusiast, invest in the durability and precision of Chicago-Latrobe's HSS screw machine drill bits today!