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The HERTEL C.E03.1032 is an aircraft extension drill bit engineered for drilling in confined or hard-to-reach spaces where a standard-length bit cannot reach. Built from high-speed steel with an oxide finish, it delivers reliable performance in metal, plastics, and similar materials. The 135-degree split point is self-centering, eliminating the need for a center punch and reducing walking on the workpiece surface. With a 13/32-inch diameter and a 6-inch overall length, this bit suits electricians, HVAC technicians, plumbers, and mechanical contractors who routinely drill through framing, panels, and structural members during rough-in work.
This aircraft extension drill bit is designed for general-purpose drilling applications in trade and industrial settings. Its extended length makes it particularly useful when drilling through wall plates, joists, or equipment enclosures where standard-length bits fall short. The right-hand spiral flute design clears chips efficiently during through-hole drilling. It is suited for residential and light commercial installation work where access is limited and bit reach is critical.
Designed as a general-purpose aircraft extension drill bit compatible with standard 3-jaw drill chucks accepting a straight cylindrical shank in 13/32-inch diameter.
This bit is installed by trade professionals including electricians, plumbers, and HVAC technicians using standard corded or cordless drills. Secure the straight cylindrical shank firmly in the chuck before use and verify the bit runs true with no visible wobble. Wear appropriate eye protection and ensure the workpiece is secured before drilling. Allow the bit to cool between extended drilling operations to preserve cutting-edge life.
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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