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The EAGLE CUTTING TOOL CR-6250-90-I is a high-speed steel (HSS) countersink center reamer designed for creating clean, accurate 90-degree countersink profiles in metal workpieces. Sized at 5/8 inch with imperial dimensions, this tool is suited for deburring, chamfering, and center-finishing operations on drilled holes. The 90-degree included angle matches standard fastener seat geometries commonly required in machining and fabrication work. Licensed machinists, toolroom operators, and maintenance technicians rely on this style of reamer for precision prep work on steel, aluminum, and similar materials.
This countersink center reamer is used in manual drill press setups, CNC operations, and bench lathe applications where a 90-degree countersink seat is required. It is appropriate for light production runs and toolroom work in industrial, maintenance, and job-shop environments. The imperial sizing makes it a direct fit for standard inch-based fastener and hole specifications common in North American manufacturing and repair applications.
Designed for use in standard drill press, bench lathe, or CNC spindle setups that accept imperial-sized cutting tools. Intended for use on steel, aluminum, and similar machinable materials requiring a 90-degree countersink finish.
This tool is installed and operated by machinists, toolroom technicians, or trained maintenance personnel. Secure the reamer firmly in a compatible chuck or collet before use and verify spindle speed is appropriate for the workpiece material and tool diameter. Always power down and lock out the machine before changing or inspecting cutting tools. Do not force the reamer into the workpiece; use consistent feed pressure and appropriate cutting fluid to extend tool life and maintain finish quality.
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