5 X 12″ Aircraft Extension Drill Bit HSS DWDA/CX125 Grab Now

1 PC #5 x 12″ HSS Aircraft Extension Drill Bit, DWDA/C. A long-reach tool designed for deep-hole metal drilling and maintenance tasks where standard bits can’t reach. Built from high-speed steel to maintain cutting integrity through extended use and through common aircraft-grade materials.

Specs

Quantity: 1 piece

Diameter: #5 (approx. 0.209 in)

Overall length: 12″ (304.8 mm)

Material: High-Speed Steel (HSS)

Shank/Code: DWDA/C

Type: Aircraft extension drill bit

Features

Long-reach design enables access to deep or recessed holes in metal components, including engine mounts, frame members, and aerospace hardware

HSS composition provides heat resistance for repeated drilling in steel, aluminum, and alloys

Flute geometry promotes chip evacuation to reduce binding during extended cuts

DWDA/C shank design supports reliable engagement in extended-bit tooling setups

Best used with controlled feed and moderate speeds to maintain accuracy and desired surface finish

Physical

Overall length: 12 inches (304.8 mm)

Diameter: #5 (0.209 in)

Material: High-Speed Steel (HSS)

Shank: DWDA/C