Direct From Factory 39 X 12″ Aircraft Extension Drill Bit HSS DWDA/CX1239

Specs

Diameter: #39 (0.257 in)

Overall length: 12 inches

Material: High-Speed Steel (HSS)

Type: Aircraft extension drill bit

Shank/Designation: DWDA/C

Quantity: 1 PC

Features

12″ reach enables drilling deep holes and accessing tight spaces commonly encountered in aircraft maintenance and metal fabrication.

HSS construction provides durability for drilling through steel, aluminum, and other aerospace alloys.

DWDA/C designation denotes the shank form used in professional tool setups, providing consistent engagement in standard drill chucks and extensions.

Precise geometry improves hole quality and minimizes wandering when working in hard-to-reach areas.

Specific to projects requiring a #39 hole size in challenging locations such as structural members, brackets, and internal cavities.

Physical

Length: 12 inches

Diameter: #39 (0.257 in)

Material: High-Speed Steel

Shank/Designation: DWDA/C