One Day Deal 17 X 12″ Aircraft Extension Drill Bit Cobalt GLBCOX1217

Technical description for the [1 PC] #17 x 12″ cobalt aircraft extension drill bit. This long-reach drill bit targets deep-hole applications in recessed or hard-to-access areas, delivering reliable performance on hard metals with high heat resistance.

Specs

Quantity: 1 piece

Diameter: No. 17

Overall length: 12 in (304.8 mm)

Material: Cobalt alloy (M42)

Type: Aircraft extension drill bit

Features

Extended reach design enables deep-hole drilling in recessed or hard-to-access areas

Cobalt alloy offers superior heat resistance and wear life when drilling through hard metals such as stainless steel and coated alloys

Durable, long-life bit intended for repeated drilling in demanding metalworking environments

Ideal for aerospace maintenance, metal fabrication, and automotive applications requiring long-reach performance

Physical

Overall length: 12 inches

Diameter: No. 17

Tip geometry: Not specified by manufacturer