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The L H DOTTIE CO FB9654 is a flexible drill bit extension designed for boring through wall cavities, floor joists, and other confined spaces where a standard rigid drill bit cannot reach. Measuring 9/16 inch in diameter and 54 inches in length, this Flex-A-Bit extension gives electricians, plumbers, and HVAC technicians the reach needed to route wire, pipe, or conduit through wood framing in tight or obstructed installations. Its flexible shaft allows the bit to navigate mild bends without removing material by force, reducing the risk of damaging surrounding structure.
This extension is well suited for new construction and retrofit work in residential and light commercial settings. Common applications include drilling through top and bottom plates for electrical rough-in, threading flexible conduit paths, or running supply and drain lines through stud bays and floor assemblies. The 54-inch length is particularly useful when working from a single access point across multiple framing members.
Designed as an OEM-style flexible drill extension for use with standard hex-shank or compatible chuck configurations on corded and cordless drills used in electrical, plumbing, and HVAC rough-in applications.
Installation is performed by licensed electricians, plumbers, or HVAC technicians during rough-in framing stages. Ensure the drill chuck is fully secured to the extension shank before drilling. Work at low-to-moderate speed when navigating bends to avoid overloading the flexible shaft. Always verify that no electrical conductors, gas lines, or other utilities are present in the drill path before boring.
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