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The EAGLE CUTTING TOOL A712-030-I is a high-speed steel (HSS) aircraft-length drill bit designed for deep-reach drilling applications in metal, composite, and structural materials. With a 15/32 inch diameter and a 12 inch overall length (OAL), this bit provides the extended reach required when standard-length drills cannot access tight or deep bore locations. The HSS construction delivers the hardness and heat resistance needed for drilling through steel, aluminum, and similar materials at production feed rates. Weighing 0.24 pounds, the bit is light enough for extended overhead or off-angle use.
Aircraft-length drill bits like the A712-030-I are standard on jobs requiring access to structural members, deep cross-bores, or multi-layer stack drilling where a jobber-length bit falls short. Typical applications include HVAC duct framing, mechanical rough-in through structural lumber or light steel, aircraft and aerospace maintenance, and general fabrication work. The extended shank allows the bit to reach through wall cavities, flanges, and assemblies that would otherwise require disassembly. This bit is suited for use in hand drills, right-angle drills, and drill presses.
Designed as an aircraft-length replacement or supplemental drill bit for general metalworking, fabrication, and mechanical installation applications requiring a 15/32 inch diameter HSS bit with extended reach.
Aircraft-length drill bits should be used at reduced feed rates compared to jobber-length bits to minimize deflection and bit walking over the extended length. Secure the workpiece firmly before drilling and use cutting fluid when drilling ferrous metals to extend bit life and reduce heat buildup. Inspect the cutting edges before each use and replace the bit if chipping or excessive wear is present. Disposal of worn cutting tools should follow applicable shop safety and waste disposal guidelines.
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