BIT DRILL AIRCRAFT 5/16X12IN BIT DRILL AIRCRAFT 5/16X12IN

The 5/16" x 12" Aircraft Extension Drill Bit is ideal for long-reach drilling in wood, plastic, and metal. Made from high-speed steel, this bit offers precision, durability, and a smooth drilling experience in tight or deep spaces. Perfect for electricians, contractors, HVAC techs, and mechanics working on hard-to-access areas.

Specs:

• Diameter: 5/16 inch

• Overall Length: 12 inches

• Material: High-speed steel (HSS)

• Flute Type: Twist

• Shank Type: Straight

• Point Type: 135° split point (varies by model)

• Use: Wood, plastic, aluminum, and mild steel

Compatible Use Cases:

• Drilling through framing for wiring or piping

• Electrical, HVAC, and plumbing installs

• Cabinetry, millwork, or finish carpentry

• Auto body and tight mechanical access

Features:

• Extended 12" length for deep or awkward spaces

• HSS construction for strength and longevity

• Precision-ground flutes for fast chip removal

• Fits standard drill chucks and drill presses

• Great for pros and advanced DIYers

Bee Green in Oakland stocks high-performance drill bits for Bay Area professionals—tools built to handle deep drilling jobs with accuracy and control.