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The EAGLE CUTTING TOOL CS-5000-82-6-I is a high-speed steel (HSS) countersink bit designed for deburring and countersinking operations in metal, wood, and composite materials. It features a 1/2-inch body diameter, an 82-degree included angle, and a 6-flute cutting geometry. The 6-flute configuration reduces chatter and produces a cleaner, more consistent seat finish compared to single- or three-flute designs. This tool is suitable for production and maintenance environments where a standard 82-degree flat-head fastener seat is required.
This countersink bit is appropriate for use in hand drills, drill presses, and CNC equipment. The 82-degree angle matches the geometry of most standard flat-head machine screws and flat-head wood screws used in North American fastener applications. It is commonly used by machinists, fabricators, millwrights, and maintenance technicians working with steel, aluminum, brass, and similar materials requiring a clean countersunk hole prior to fastener installation.
Designed as an OEM-style replacement or direct-use countersink bit for standard 82-degree flat-head fastener applications in metalworking and general fabrication environments.
A licensed machinist or qualified technician should secure the bit firmly in a drill chuck before use and confirm the drill press or hand drill is set to an appropriate speed for the material being worked. Always power down and de-energize equipment before installing or changing tooling. Use cutting fluid when countersinking hardened steel to extend tool life and maintain finish quality.
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