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The EAGLE CUTTING TOOL AC700-012-I is a cobalt aircraft extension drill designed for drilling in tight or deep-access areas where standard-length drills cannot reach. Built from cobalt high-speed steel, this drill offers increased heat and wear resistance compared to standard HSS tooling, making it well suited for harder materials and higher-duty drilling cycles. The bit measures 3/16 inch in diameter with a 6 inch overall length (OAL), providing the extended reach required for aircraft-style drilling applications. It is installed and used by machinists, aerospace maintenance technicians, and trade professionals working in structural, sheet metal, and mechanical assembly contexts.
This drill is used in applications that require extended reach beyond what a jobber-length drill provides. Common scenarios include drilling through structural members, deep bores in fabrication work, and tight-clearance installations in mechanical or sheet metal assemblies. The 3/16 inch diameter and 6 inch OAL make it particularly useful for bolt-hole drilling in metal framing, brackets, and panels where standard drill lengths would be obstructed by surrounding structure.
Designed as an OEM-style replacement and standard-use cutting tool compatible with 3/8 inch or larger keyed and keyless drill chucks accepting straight-shank bits at 3/16 inch diameter.
This drill is used by machinists and trade professionals operating hand drills, drill presses, or magnetic-base drills. Secure the straight shank firmly in the chuck before use and verify chuck capacity accommodates a 3/16 inch shank. Use appropriate cutting fluid or lubricant when drilling ferrous metals to extend tool life and reduce heat buildup. Always wear eye protection and secure the workpiece before beginning drilling operations.
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