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The EAGLE CUTTING TOOL A700-130-I is a Number 30 high-speed steel (HSS) aircraft-extension drill bit with a 6-inch overall length (OAL). Designed for drilling in tight or deep-reach applications, the extended shank gives technicians access to fastener holes in airframes, structural panels, and other assemblies where a standard-length bit cannot reach. HSS construction provides adequate hardness and toughness for drilling aluminum, mild steel, and similar materials encountered in aviation maintenance, HVAC sheet metal work, and general fabrication.
This drill bit is suited for use in MRO shops, HVAC installations, plumbing rough-in, and light fabrication environments where a Number 30 diameter and extended reach are required. The 6-inch OAL makes it practical for drilling through deep stock, stacked panels, or structural members that would otherwise require a step-drill or spot-face setup. It is a single-flute size commonly used to produce clean pilot holes before reaming or for self-tapping screw clearance applications.
Designed as a standard Number 30 HSS aircraft-extension drill bit compatible with any 3-jaw or keyless chuck accepting a standard straight shank of equivalent diameter.
A licensed machinist, HVAC technician, or maintenance professional should secure the bit firmly in a chuck before use and verify the chuck is properly tightened to prevent slippage. Always wear appropriate eye protection and secure the workpiece before drilling. Use cutting fluid or lubricant when drilling steel to extend tool life and reduce heat buildup. Inspect the cutting edges before each use and replace the bit if chipping or excessive wear is present.
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