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The EAGLE CUTTING TOOL A712-009-I is a high-speed steel (HSS) aircraft extension drill bit designed for deep-reach drilling applications in metal, wood, and composite materials. With a 9/64-inch diameter and a 12-inch overall length (OAL), this bit gives technicians and tradespeople the reach needed to access fastener locations in tight or recessed areas that standard-length bits cannot reach. HSS construction provides solid hardness and heat resistance for general-purpose drilling in production and field environments.
Aircraft extension drills like the A712-009-I are commonly used in aviation maintenance, HVAC installation, electrical rough-in, and general sheet metal work where longer reach is required. The extended OAL makes this bit well suited for drilling through structural cavities, wall assemblies, and deep-set panels. It is appropriate for use in both corded drill presses and handheld power drills by professionals who need accurate hole sizing in confined or extended-reach conditions.
Designed as a standard HSS aircraft extension drill for use with conventional drill chucks accepting 9/64-inch shank diameters. Suitable for handheld power drills and drill presses used in HVAC, electrical, sheet metal, and general mechanical trade applications.
Installation of drill bits should be performed by qualified tradespeople familiar with the appropriate power tool and workpiece material. Ensure the drill is powered off and the chuck is fully secured before beginning work. Follow applicable safety standards and wear appropriate eye and hand protection. Reduce feed rate when drilling through hard metals to extend bit life and maintain hole accuracy.
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