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The BSC PREFERRED QJDIB-BODB-046 is a black oxide aircraft-length drill bit engineered for deep-hole drilling and extended-reach applications. The 1/4-inch diameter bit measures 12 inches in overall length, providing the extra reach needed when standard-length bits fall short. A 135-degree split point tip delivers a self-centering start and reduces walking on hard or slick surfaces. Black oxide coating reduces friction and provides moderate corrosion resistance during use. This bit is suited for electricians, plumbers, HVAC technicians, and general tradespeople who need to drill through framing, panels, and structural members in tight or deep access situations.
Aircraft-length drill bits like the QJDIB-BODB-046 are commonly used in construction, mechanical, and trade service work where standard-length bits cannot reach. Typical applications include drilling through wall framing for wire or pipe runs, reaching deep into equipment cavities, and boring through layered materials such as metal, wood, fiberglass, and stainless steel. The extended shank allows the drill chuck to remain clear of the work surface while maintaining alignment through the full depth of the bore.
Designed as a standard 1/4-inch shank aircraft-length drill bit compatible with any drill chuck or driver accepting a 1/4-inch round shank. Fits standard keyless and keyed drill chucks used across cordless and corded drills common in trade work.
This bit is installed and operated by electricians, plumbers, HVAC technicians, and general contractors using standard drill equipment. Secure the workpiece before drilling and ensure the chuck is fully tightened before operation. When drilling metal or stainless steel, use appropriate cutting fluid to reduce heat buildup and extend bit life. Apply steady, consistent feed pressure and allow the split point to establish the bore before increasing speed.
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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