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The EAGLE CUTTING TOOL A712-012-I is a high-speed steel (HSS) aircraft-length drill bit designed for deep-hole drilling applications in metal, wood, and composite materials. With a 3/16 inch diameter and a 12 inch overall length (OAL), this bit provides the reach needed to drill through structural panels, tubing, and assemblies where standard-length bits fall short. HSS construction delivers hardness and edge retention across a wide range of workpiece materials. This bit is used by aviation maintenance technicians, fabricators, metalworkers, and general tradespeople who need extended reach without sacrificing cutting performance.
Aircraft-length drill bits like the A712-012-I are specified when access is limited or when drilling through stacked materials and deep cross-sections. Common applications include airframe and sheet metal work, HVAC duct and panel fabrication, electrical conduit and bracket installation, and structural metalwork where a jobber-length bit cannot reach. The extended 12 inch OAL makes it practical for through-drilling assemblies and reaching recessed locations in tight spaces.
Designed as a standard aircraft-length drill bit compatible with any 3/8 inch or larger keyed or keyless drill chuck accepting round-shank bits of 3/16 inch diameter.
This bit is installed and operated by machinists, fabricators, aviation maintenance technicians, and general tradespeople using standard drill presses, hand drills, or right-angle drill attachments. Secure the workpiece before drilling and use appropriate cutting fluid when working ferrous metals to extend bit life and reduce heat buildup. Inspect the cutting edges before each use and replace the bit if chipping or dulling is observed. Follow applicable workplace safety standards for eye and hand protection when operating drill equipment.
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