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The CLEVELAND C13104 is an aircraft extension drill bit designed for drilling in hard-to-reach locations where a standard-length bit cannot access the worksite. Built from high-speed steel with a bright, uncoated finish, this bit measures 7/64 inch (0.1094 inch decimal) in diameter and delivers 6 inches of overall length with a 1.5-inch spiral flute. The 135-degree split point is self-centering, reducing walking on entry and minimizing the need for a center punch on most work materials. The web-thinned, tapered web configuration reduces thrust during drilling and helps maintain cutting efficiency. This bit is sized and configured for professionals working in aerospace, structural, and mechanical applications where reach and precision matter.
The C13104 is suited for use in residential and commercial maintenance, aircraft assembly and repair, and fabrication environments where extended reach into confined areas is required. The right-hand spiral flute design provides consistent chip evacuation during use. With a straight cylindrical shank at 7/64 inch diameter, the bit seats securely in standard drill chucks and extension holders. Licensed technicians, aircraft maintenance mechanics, and general-trade professionals working with sheet metal, aluminum, and mild steel will find this a reliable general-purpose option.
Designed as a general-purpose aircraft extension drill bit compatible with standard drill chucks and holders accepting a straight cylindrical 7/64-inch shank. Conforms to NAS 907 Type B standards.
This bit is installed by machinists, aircraft maintenance technicians, and trade professionals using standard drill equipment. Ensure the drill chuck is fully tightened and the shank is fully seated before use. Wear appropriate eye protection and secure the workpiece before drilling. Follow applicable workplace safety standards and any relevant industry codes when performing drilling operations on structural or aircraft components.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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