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The EAGLE CUTTING TOOL A700-012-I is a high-speed steel (HSS) aircraft extension drill bit designed for drilling through materials in applications where standard-length bits cannot reach. With a diameter of 3/16 inches and an overall length (OAL) of 6 inches, this bit provides the reach needed for deep-hole or obstructed-access drilling tasks. HSS construction delivers the hardness and heat resistance required for drilling steel, aluminum, and other common metals encountered in fabrication and maintenance work. Machinists, aircraft maintenance technicians, and general metalworking tradespeople are the primary users of this style of bit.
This drill bit is suited for aerospace, automotive, HVAC, and general industrial applications where a longer reach is necessary to access tight or recessed drilling locations. The extended OAL makes it practical for drilling through structural members, sheet metal assemblies, and deep flanges without repositioning or using specialty jigs. It is appropriate for use in standard drill presses, hand drills, and magnetic drills running at appropriate RPM for the diameter and material being drilled.
Designed as an OEM-style replacement and standard fitment aircraft extension drill bit for use in any 3/16 inch chuck or collet-capable drilling equipment.
This bit should be installed and operated by qualified machinists or maintenance technicians familiar with metal drilling procedures. Secure the workpiece firmly before drilling and select an appropriate cutting speed for the material and bit diameter. Use cutting fluid when drilling ferrous metals to extend bit life and reduce heat. Inspect the bit for wear or chipping before each use and replace if the cutting edges show damage.
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