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The EAGLE CUTTING TOOL A712-006-I is a high-speed steel (HSS) aircraft extension drill bit designed for deep-reach drilling in tight or obstructed workspaces. With a 3/32-inch diameter and a 12-inch overall length (OAL), this bit provides the extended reach required for structural, aerospace, and sheet-metal drilling applications where standard-length bits cannot access the work area. The HSS construction delivers the hardness and heat resistance needed to cut through steel, aluminum, and other common metals encountered in trade and industrial settings. It is used by HVAC technicians, electricians, plumbers, and general contractors when drilling through deep assemblies, wall cavities, or layered materials.
This bit is suited for residential and light commercial applications where extended-length drilling is required. Typical scenarios include drilling through wall studs or joists for mechanical and electrical rough-in, accessing confined areas in HVAC installations, and sheet-metal work in ductwork fabrication or equipment enclosures. The 3/32-inch diameter makes it appropriate for pilot holes, small fastener clearance holes, and precision access points in metal and wood substrates.
Designed as a standard 3/32-inch shank aircraft extension drill bit compatible with most keyed and keyless drill chucks used in corded and cordless drill drivers and drill presses.
This drill bit is installed and used by HVAC technicians, electricians, plumbers, and general contractors during rough-in and fabrication work. Secure the bit fully in the drill chuck before operation and verify the chuck is tightened to prevent slippage. When drilling through metal, use appropriate cutting fluid or lubricant to extend bit life and reduce heat buildup. Inspect the bit for wear or tip damage before each use, and replace if the cutting edges are dull or chipped.
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